java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf -i ../../../trunk/examples/svcomp/forester-heap/dll-circular_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-408c70d-m [2018-04-13 11:38:08,690 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-13 11:38:08,691 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-13 11:38:08,704 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-13 11:38:08,704 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-13 11:38:08,705 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-13 11:38:08,705 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-13 11:38:08,707 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-13 11:38:08,708 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-13 11:38:08,709 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-13 11:38:08,710 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-13 11:38:08,710 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-13 11:38:08,711 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-13 11:38:08,712 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-13 11:38:08,712 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-13 11:38:08,714 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-13 11:38:08,715 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-13 11:38:08,717 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-13 11:38:08,718 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-13 11:38:08,719 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-13 11:38:08,720 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-13 11:38:08,725 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-13 11:38:08,725 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-13 11:38:08,725 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf [2018-04-13 11:38:08,734 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-13 11:38:08,735 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-13 11:38:08,735 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-13 11:38:08,735 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-13 11:38:08,736 INFO L133 SettingsManager]: * Use SBE=true [2018-04-13 11:38:08,736 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-13 11:38:08,736 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-13 11:38:08,736 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-13 11:38:08,736 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-13 11:38:08,736 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-13 11:38:08,736 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-13 11:38:08,736 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-13 11:38:08,736 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-13 11:38:08,736 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-13 11:38:08,737 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-13 11:38:08,737 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-13 11:38:08,737 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-13 11:38:08,737 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-13 11:38:08,737 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-13 11:38:08,737 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-13 11:38:08,737 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-13 11:38:08,737 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-13 11:38:08,737 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-13 11:38:08,738 INFO L133 SettingsManager]: * Trace refinement strategy=SMTINTERPOL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-13 11:38:08,765 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-13 11:38:08,773 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-13 11:38:08,776 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-13 11:38:08,777 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-13 11:38:08,778 INFO L276 PluginConnector]: CDTParser initialized [2018-04-13 11:38:08,778 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,171 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGbb696eb77 [2018-04-13 11:38:09,299 INFO L287 CDTParser]: IsIndexed: true [2018-04-13 11:38:09,299 INFO L288 CDTParser]: Found 1 translation units. [2018-04-13 11:38:09,300 INFO L168 CDTParser]: Scanning dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,307 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-13 11:38:09,308 INFO L215 ultiparseSymbolTable]: [2018-04-13 11:38:09,308 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-13 11:38:09,308 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,308 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-13 11:38:09,308 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__ino_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,308 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__pid_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,308 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____fsfilcnt64_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,308 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____socklen_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,308 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__u_int64_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,308 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__int32_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,308 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__ldiv_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,308 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__gid_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,308 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__fsfilcnt_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,308 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____blkcnt64_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,308 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____nlink_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,308 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____intptr_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,309 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__idtype_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,309 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__size_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,309 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__off_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,309 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__register_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,309 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____int8_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,309 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__key_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,309 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____ssize_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,309 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__timer_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,309 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__pthread_mutex_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,309 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____fsblkcnt64_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,309 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____rlim_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,309 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__u_int in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,310 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____suseconds_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,310 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____time_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,310 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____timer_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,310 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____rlim64_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,310 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__int8_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,310 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____fsfilcnt_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,310 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__pthread_mutexattr_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,310 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__uid_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,310 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__wchar_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,310 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__fd_set in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,310 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__lldiv_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,310 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____uint32_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,310 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__pthread_condattr_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,310 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__div_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,310 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____caddr_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,310 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__pthread_attr_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,310 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____dev_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,311 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__mode_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,311 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__quad_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,311 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__int16_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,311 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____clockid_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,311 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____sigset_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,311 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__suseconds_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,311 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__pthread_cond_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,311 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____u_short in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,311 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__u_int16_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,311 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__ulong in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,311 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__pthread_once_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,311 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____u_long in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,311 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__SLL in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,311 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____mode_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,311 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__blksize_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,311 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__pthread_spinlock_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,311 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____ino_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,312 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__u_short in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,312 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__caddr_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,312 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__daddr_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,312 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____uint16_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,312 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____fsid_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,312 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__clock_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,312 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____off_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,312 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____int16_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,312 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__u_long in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,312 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__pthread_rwlockattr_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,312 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__pthread_barrier_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,312 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__u_char in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,312 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__blkcnt_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,312 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__pthread_barrierattr_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,312 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____syscall_slong_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,312 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____loff_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,312 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__u_int32_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,312 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__fsid_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,313 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__int64_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,313 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__ushort in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,313 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____clock_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,313 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____u_quad_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,313 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____off64_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,313 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____key_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,313 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____daddr_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,313 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____u_char in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,313 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____gid_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,313 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____blksize_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,313 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____uint8_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,313 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__u_quad_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,314 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____qaddr_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,314 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____quad_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,314 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____pid_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,314 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__uint in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,314 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__pthread_rwlock_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,314 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____useconds_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,314 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__loff_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,314 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__nlink_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,314 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__id_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,314 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__u_int8_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,314 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____int64_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,314 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____syscall_ulong_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,315 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__pthread_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,315 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____id_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,315 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__fsblkcnt_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,315 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__dev_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,315 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____pthread_slist_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,315 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____sig_atomic_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,315 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__time_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,315 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____int32_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,315 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__pthread_key_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,315 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____u_int in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,316 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____fd_mask in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,316 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____fsblkcnt_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,316 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__clockid_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,316 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____blkcnt_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,316 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__ssize_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,316 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__sigset_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,316 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____fsword_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,316 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i__fd_mask in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,316 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____uint64_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,316 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____uid_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,316 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_circular_true_unreach_call_true_valid_memsafety_i____ino64_t in dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:09,330 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGbb696eb77 [2018-04-13 11:38:09,333 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-13 11:38:09,334 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-13 11:38:09,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-13 11:38:09,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-13 11:38:09,338 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-13 11:38:09,339 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 11:38:09" (1/1) ... [2018-04-13 11:38:09,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7305a82e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:38:09, skipping insertion in model container [2018-04-13 11:38:09,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 11:38:09" (1/1) ... [2018-04-13 11:38:09,351 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-13 11:38:09,374 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-13 11:38:09,503 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-13 11:38:09,540 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-13 11:38:09,546 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 115 non ball SCCs. Number of states in SCCs 115. [2018-04-13 11:38:09,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:38:09 WrapperNode [2018-04-13 11:38:09,582 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-13 11:38:09,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-13 11:38:09,583 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-13 11:38:09,583 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-13 11:38:09,593 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:38:09" (1/1) ... [2018-04-13 11:38:09,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:38:09" (1/1) ... [2018-04-13 11:38:09,604 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:38:09" (1/1) ... [2018-04-13 11:38:09,605 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:38:09" (1/1) ... [2018-04-13 11:38:09,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:38:09" (1/1) ... [2018-04-13 11:38:09,618 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:38:09" (1/1) ... [2018-04-13 11:38:09,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:38:09" (1/1) ... [2018-04-13 11:38:09,623 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-13 11:38:09,624 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-13 11:38:09,624 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-13 11:38:09,624 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-13 11:38:09,625 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:38:09" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-13 11:38:09,714 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-13 11:38:09,714 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-13 11:38:09,714 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-13 11:38:09,714 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-13 11:38:09,714 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-13 11:38:09,714 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-13 11:38:09,714 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-13 11:38:09,714 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-13 11:38:09,714 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-13 11:38:09,714 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-13 11:38:09,715 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-13 11:38:09,715 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-13 11:38:09,715 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-13 11:38:09,715 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-13 11:38:09,715 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-13 11:38:09,715 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-13 11:38:09,715 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-13 11:38:09,715 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-13 11:38:09,715 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-13 11:38:09,715 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-13 11:38:09,716 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-13 11:38:09,716 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-13 11:38:09,716 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-13 11:38:09,716 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-13 11:38:09,716 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-13 11:38:09,716 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-13 11:38:09,716 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-13 11:38:09,716 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-13 11:38:09,716 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-13 11:38:09,716 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-13 11:38:09,717 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-13 11:38:09,717 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-13 11:38:09,717 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-13 11:38:09,717 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-13 11:38:09,717 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-13 11:38:09,717 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-13 11:38:09,717 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-13 11:38:09,717 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-13 11:38:09,717 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-13 11:38:09,718 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-13 11:38:09,718 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-13 11:38:09,718 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-13 11:38:09,718 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-13 11:38:09,718 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-13 11:38:09,718 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-13 11:38:09,718 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-13 11:38:09,718 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-13 11:38:09,718 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-13 11:38:09,718 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-13 11:38:09,718 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-13 11:38:09,719 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-13 11:38:09,719 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-13 11:38:09,719 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-13 11:38:09,719 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-13 11:38:09,719 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-13 11:38:09,719 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-13 11:38:09,719 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-13 11:38:09,719 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-13 11:38:09,719 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-13 11:38:09,719 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-13 11:38:09,719 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-13 11:38:09,719 INFO L128 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-04-13 11:38:09,719 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-13 11:38:09,719 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-13 11:38:09,719 INFO L128 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-04-13 11:38:09,720 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-13 11:38:09,720 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-13 11:38:09,720 INFO L128 BoogieDeclarations]: Found specification of procedure quick_exit [2018-04-13 11:38:09,720 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-13 11:38:09,720 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-13 11:38:09,720 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-13 11:38:09,720 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-13 11:38:09,720 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-13 11:38:09,720 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-13 11:38:09,720 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-13 11:38:09,720 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-13 11:38:09,720 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-13 11:38:09,720 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-13 11:38:09,720 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-13 11:38:09,721 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-13 11:38:09,721 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-13 11:38:09,721 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-13 11:38:09,721 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-13 11:38:09,721 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-13 11:38:09,721 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-13 11:38:09,721 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-13 11:38:09,721 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-13 11:38:09,721 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-13 11:38:09,721 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-13 11:38:09,721 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-13 11:38:09,721 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-13 11:38:09,721 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-13 11:38:09,721 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-13 11:38:09,722 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-13 11:38:09,722 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-13 11:38:09,722 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-13 11:38:09,722 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-13 11:38:09,722 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-13 11:38:09,722 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-13 11:38:09,722 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-13 11:38:09,722 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-13 11:38:09,722 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-13 11:38:09,722 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-13 11:38:09,723 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-13 11:38:09,723 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-13 11:38:09,723 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-13 11:38:09,723 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-13 11:38:09,723 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-13 11:38:09,723 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-13 11:38:09,723 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-13 11:38:09,723 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-13 11:38:09,723 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-13 11:38:09,723 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-13 11:38:09,723 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-13 11:38:09,723 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-13 11:38:09,724 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-13 11:38:09,724 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-13 11:38:09,724 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-13 11:38:10,079 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-13 11:38:10,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 11:38:10 BoogieIcfgContainer [2018-04-13 11:38:10,080 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-13 11:38:10,081 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-13 11:38:10,081 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-13 11:38:10,083 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-13 11:38:10,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.04 11:38:09" (1/3) ... [2018-04-13 11:38:10,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63f70b48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 11:38:10, skipping insertion in model container [2018-04-13 11:38:10,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:38:09" (2/3) ... [2018-04-13 11:38:10,084 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63f70b48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 11:38:10, skipping insertion in model container [2018-04-13 11:38:10,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 11:38:10" (3/3) ... [2018-04-13 11:38:10,085 INFO L107 eAbstractionObserver]: Analyzing ICFG dll-circular_true-unreach-call_true-valid-memsafety.i [2018-04-13 11:38:10,091 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-13 11:38:10,097 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 47 error locations. [2018-04-13 11:38:10,123 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-13 11:38:10,123 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-13 11:38:10,123 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-13 11:38:10,123 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-13 11:38:10,123 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-13 11:38:10,123 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-13 11:38:10,124 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-13 11:38:10,124 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-13 11:38:10,124 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-13 11:38:10,124 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-13 11:38:10,135 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2018-04-13 11:38:10,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-13 11:38:10,142 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:38:10,143 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:38:10,143 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:38:10,146 INFO L82 PathProgramCache]: Analyzing trace with hash -659694479, now seen corresponding path program 1 times [2018-04-13 11:38:10,147 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:38:10,147 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:38:10,180 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:10,180 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:10,181 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:10,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:10,208 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:38:10,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:38:10,243 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 11:38:10,244 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-13 11:38:10,245 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-13 11:38:10,252 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-13 11:38:10,253 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-13 11:38:10,254 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 4 states. [2018-04-13 11:38:10,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:38:10,392 INFO L93 Difference]: Finished difference Result 131 states and 138 transitions. [2018-04-13 11:38:10,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-13 11:38:10,394 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-04-13 11:38:10,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:38:10,404 INFO L225 Difference]: With dead ends: 131 [2018-04-13 11:38:10,404 INFO L226 Difference]: Without dead ends: 128 [2018-04-13 11:38:10,406 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-13 11:38:10,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-04-13 11:38:10,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 109. [2018-04-13 11:38:10,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-04-13 11:38:10,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 115 transitions. [2018-04-13 11:38:10,441 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 115 transitions. Word has length 8 [2018-04-13 11:38:10,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:38:10,441 INFO L459 AbstractCegarLoop]: Abstraction has 109 states and 115 transitions. [2018-04-13 11:38:10,441 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-13 11:38:10,441 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 115 transitions. [2018-04-13 11:38:10,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-13 11:38:10,441 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:38:10,441 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:38:10,441 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:38:10,442 INFO L82 PathProgramCache]: Analyzing trace with hash -659694478, now seen corresponding path program 1 times [2018-04-13 11:38:10,442 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:38:10,442 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:38:10,443 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:10,443 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:10,443 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:10,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:10,464 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:38:10,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:38:10,501 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 11:38:10,502 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-13 11:38:10,503 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-13 11:38:10,503 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-13 11:38:10,503 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-13 11:38:10,503 INFO L87 Difference]: Start difference. First operand 109 states and 115 transitions. Second operand 4 states. [2018-04-13 11:38:10,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:38:10,591 INFO L93 Difference]: Finished difference Result 117 states and 123 transitions. [2018-04-13 11:38:10,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-13 11:38:10,591 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-04-13 11:38:10,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:38:10,592 INFO L225 Difference]: With dead ends: 117 [2018-04-13 11:38:10,592 INFO L226 Difference]: Without dead ends: 117 [2018-04-13 11:38:10,592 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-13 11:38:10,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-04-13 11:38:10,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 104. [2018-04-13 11:38:10,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-04-13 11:38:10,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 110 transitions. [2018-04-13 11:38:10,596 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 110 transitions. Word has length 8 [2018-04-13 11:38:10,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:38:10,597 INFO L459 AbstractCegarLoop]: Abstraction has 104 states and 110 transitions. [2018-04-13 11:38:10,597 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-13 11:38:10,597 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 110 transitions. [2018-04-13 11:38:10,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-13 11:38:10,597 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:38:10,597 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:38:10,597 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:38:10,597 INFO L82 PathProgramCache]: Analyzing trace with hash -203321156, now seen corresponding path program 1 times [2018-04-13 11:38:10,597 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:38:10,597 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:38:10,598 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:10,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:10,598 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:10,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:10,607 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:38:10,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:38:10,631 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 11:38:10,631 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-13 11:38:10,632 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-13 11:38:10,632 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-13 11:38:10,632 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-13 11:38:10,632 INFO L87 Difference]: Start difference. First operand 104 states and 110 transitions. Second operand 4 states. [2018-04-13 11:38:10,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:38:10,721 INFO L93 Difference]: Finished difference Result 101 states and 108 transitions. [2018-04-13 11:38:10,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-13 11:38:10,722 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-04-13 11:38:10,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:38:10,723 INFO L225 Difference]: With dead ends: 101 [2018-04-13 11:38:10,723 INFO L226 Difference]: Without dead ends: 101 [2018-04-13 11:38:10,723 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-13 11:38:10,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-04-13 11:38:10,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 92. [2018-04-13 11:38:10,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-04-13 11:38:10,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 98 transitions. [2018-04-13 11:38:10,729 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 98 transitions. Word has length 15 [2018-04-13 11:38:10,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:38:10,729 INFO L459 AbstractCegarLoop]: Abstraction has 92 states and 98 transitions. [2018-04-13 11:38:10,729 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-13 11:38:10,729 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 98 transitions. [2018-04-13 11:38:10,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-13 11:38:10,729 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:38:10,730 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:38:10,730 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:38:10,730 INFO L82 PathProgramCache]: Analyzing trace with hash -203321155, now seen corresponding path program 1 times [2018-04-13 11:38:10,730 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:38:10,730 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:38:10,731 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:10,731 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:10,731 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:10,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:10,743 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:38:10,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:38:10,784 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 11:38:10,785 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-13 11:38:10,785 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-13 11:38:10,785 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-13 11:38:10,785 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-13 11:38:10,785 INFO L87 Difference]: Start difference. First operand 92 states and 98 transitions. Second operand 5 states. [2018-04-13 11:38:10,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:38:10,902 INFO L93 Difference]: Finished difference Result 119 states and 126 transitions. [2018-04-13 11:38:10,902 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-13 11:38:10,902 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-04-13 11:38:10,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:38:10,903 INFO L225 Difference]: With dead ends: 119 [2018-04-13 11:38:10,903 INFO L226 Difference]: Without dead ends: 119 [2018-04-13 11:38:10,904 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-13 11:38:10,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-04-13 11:38:10,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 102. [2018-04-13 11:38:10,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-04-13 11:38:10,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 111 transitions. [2018-04-13 11:38:10,909 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 111 transitions. Word has length 15 [2018-04-13 11:38:10,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:38:10,909 INFO L459 AbstractCegarLoop]: Abstraction has 102 states and 111 transitions. [2018-04-13 11:38:10,909 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-13 11:38:10,909 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 111 transitions. [2018-04-13 11:38:10,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-13 11:38:10,910 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:38:10,910 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:38:10,910 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:38:10,910 INFO L82 PathProgramCache]: Analyzing trace with hash -1236615327, now seen corresponding path program 1 times [2018-04-13 11:38:10,910 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:38:10,910 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:38:10,911 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:10,911 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:10,911 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:10,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:10,922 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:38:10,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:38:10,949 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 11:38:10,949 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-13 11:38:10,949 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-13 11:38:10,950 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-13 11:38:10,950 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-13 11:38:10,950 INFO L87 Difference]: Start difference. First operand 102 states and 111 transitions. Second operand 5 states. [2018-04-13 11:38:11,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:38:11,058 INFO L93 Difference]: Finished difference Result 150 states and 161 transitions. [2018-04-13 11:38:11,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-13 11:38:11,058 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-04-13 11:38:11,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:38:11,059 INFO L225 Difference]: With dead ends: 150 [2018-04-13 11:38:11,059 INFO L226 Difference]: Without dead ends: 150 [2018-04-13 11:38:11,059 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-13 11:38:11,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-04-13 11:38:11,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 101. [2018-04-13 11:38:11,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-04-13 11:38:11,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 109 transitions. [2018-04-13 11:38:11,063 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 109 transitions. Word has length 18 [2018-04-13 11:38:11,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:38:11,063 INFO L459 AbstractCegarLoop]: Abstraction has 101 states and 109 transitions. [2018-04-13 11:38:11,063 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-13 11:38:11,064 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 109 transitions. [2018-04-13 11:38:11,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-13 11:38:11,064 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:38:11,064 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:38:11,064 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:38:11,064 INFO L82 PathProgramCache]: Analyzing trace with hash -1236615326, now seen corresponding path program 1 times [2018-04-13 11:38:11,064 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:38:11,064 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:38:11,065 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:11,065 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:11,065 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:11,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:11,073 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:38:11,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:38:11,105 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 11:38:11,105 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-13 11:38:11,105 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-13 11:38:11,105 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-13 11:38:11,105 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-13 11:38:11,105 INFO L87 Difference]: Start difference. First operand 101 states and 109 transitions. Second operand 5 states. [2018-04-13 11:38:11,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:38:11,264 INFO L93 Difference]: Finished difference Result 152 states and 161 transitions. [2018-04-13 11:38:11,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-13 11:38:11,264 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-04-13 11:38:11,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:38:11,265 INFO L225 Difference]: With dead ends: 152 [2018-04-13 11:38:11,265 INFO L226 Difference]: Without dead ends: 152 [2018-04-13 11:38:11,265 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-04-13 11:38:11,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-04-13 11:38:11,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 100. [2018-04-13 11:38:11,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-04-13 11:38:11,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 107 transitions. [2018-04-13 11:38:11,268 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 107 transitions. Word has length 18 [2018-04-13 11:38:11,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:38:11,268 INFO L459 AbstractCegarLoop]: Abstraction has 100 states and 107 transitions. [2018-04-13 11:38:11,268 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-13 11:38:11,268 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 107 transitions. [2018-04-13 11:38:11,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-13 11:38:11,268 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:38:11,268 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:38:11,269 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:38:11,269 INFO L82 PathProgramCache]: Analyzing trace with hash 2005882920, now seen corresponding path program 1 times [2018-04-13 11:38:11,269 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:38:11,269 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:38:11,270 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:11,270 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:11,270 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:11,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:11,281 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:38:11,285 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:38:11,285 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:38:11,286 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:38:11,287 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:11,317 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:38:11,353 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:38:11,355 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:11,357 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:11,357 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-13 11:38:11,394 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:11,396 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:11,396 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:11,397 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:11,400 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:11,400 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:17, output treesize:13 [2018-04-13 11:38:11,408 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 11:38:11,411 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:11,412 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 11:38:11,412 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:11,415 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:11,418 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:11,418 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:26, output treesize:22 [2018-04-13 11:38:11,429 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-04-13 11:38:11,431 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:11,432 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2018-04-13 11:38:11,433 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:11,436 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:11,438 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:11,438 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:5 [2018-04-13 11:38:11,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:38:11,448 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 11:38:11,448 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-13 11:38:11,448 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-13 11:38:11,449 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-13 11:38:11,449 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-04-13 11:38:11,449 INFO L87 Difference]: Start difference. First operand 100 states and 107 transitions. Second operand 8 states. [2018-04-13 11:38:11,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:38:11,588 INFO L93 Difference]: Finished difference Result 161 states and 172 transitions. [2018-04-13 11:38:11,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-13 11:38:11,589 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2018-04-13 11:38:11,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:38:11,589 INFO L225 Difference]: With dead ends: 161 [2018-04-13 11:38:11,589 INFO L226 Difference]: Without dead ends: 161 [2018-04-13 11:38:11,590 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2018-04-13 11:38:11,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-04-13 11:38:11,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 107. [2018-04-13 11:38:11,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-04-13 11:38:11,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 115 transitions. [2018-04-13 11:38:11,593 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 115 transitions. Word has length 22 [2018-04-13 11:38:11,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:38:11,593 INFO L459 AbstractCegarLoop]: Abstraction has 107 states and 115 transitions. [2018-04-13 11:38:11,593 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-13 11:38:11,593 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 115 transitions. [2018-04-13 11:38:11,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-13 11:38:11,593 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:38:11,593 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:38:11,594 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:38:11,594 INFO L82 PathProgramCache]: Analyzing trace with hash 2005882921, now seen corresponding path program 1 times [2018-04-13 11:38:11,594 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:38:11,594 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:38:11,595 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:11,595 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:11,595 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:11,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:11,604 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:38:11,607 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:38:11,607 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:38:11,607 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:38:11,609 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:11,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:11,628 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:38:11,634 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:38:11,635 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:11,638 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:11,638 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 11:38:11,648 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:11,650 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:11,650 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:11,651 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:11,658 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:11,659 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:11,660 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:11,661 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:11,665 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:11,665 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:34, output treesize:26 [2018-04-13 11:38:11,676 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 11:38:11,678 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:11,679 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 11:38:11,679 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:11,683 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:11,692 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 11:38:11,694 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:11,694 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:38:11,695 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 30 [2018-04-13 11:38:11,695 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:11,699 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:11,705 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:11,706 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:52, output treesize:44 [2018-04-13 11:38:11,723 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-04-13 11:38:11,732 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:11,733 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2018-04-13 11:38:11,734 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:11,737 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:11,746 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-04-13 11:38:11,748 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:11,749 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2018-04-13 11:38:11,749 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:11,754 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:11,762 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:11,762 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:58, output treesize:9 [2018-04-13 11:38:11,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:38:11,798 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 11:38:11,799 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-13 11:38:11,799 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-13 11:38:11,799 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-13 11:38:11,799 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-04-13 11:38:11,799 INFO L87 Difference]: Start difference. First operand 107 states and 115 transitions. Second operand 8 states. [2018-04-13 11:38:12,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:38:12,000 INFO L93 Difference]: Finished difference Result 180 states and 191 transitions. [2018-04-13 11:38:12,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-13 11:38:12,000 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2018-04-13 11:38:12,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:38:12,001 INFO L225 Difference]: With dead ends: 180 [2018-04-13 11:38:12,001 INFO L226 Difference]: Without dead ends: 180 [2018-04-13 11:38:12,001 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2018-04-13 11:38:12,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2018-04-13 11:38:12,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 120. [2018-04-13 11:38:12,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-04-13 11:38:12,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 133 transitions. [2018-04-13 11:38:12,005 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 133 transitions. Word has length 22 [2018-04-13 11:38:12,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:38:12,006 INFO L459 AbstractCegarLoop]: Abstraction has 120 states and 133 transitions. [2018-04-13 11:38:12,006 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-13 11:38:12,006 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 133 transitions. [2018-04-13 11:38:12,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-13 11:38:12,006 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:38:12,006 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:38:12,007 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:38:12,007 INFO L82 PathProgramCache]: Analyzing trace with hash 170689635, now seen corresponding path program 1 times [2018-04-13 11:38:12,007 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:38:12,007 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:38:12,008 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:12,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:12,008 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:12,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:12,018 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:38:12,020 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:38:12,020 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:38:12,021 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:38:12,022 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:12,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:12,055 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:38:12,067 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:38:12,067 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:12,073 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:12,074 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-13 11:38:12,092 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:12,095 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:12,095 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:12,097 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:12,108 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:12,112 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:12,113 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:12,114 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:12,118 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:12,118 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:34, output treesize:20 [2018-04-13 11:38:12,127 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-04-13 11:38:12,129 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-13 11:38:12,129 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:12,131 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:12,134 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:12,134 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:27, output treesize:16 [2018-04-13 11:38:12,153 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 35 [2018-04-13 11:38:12,156 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2018-04-13 11:38:12,156 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:12,172 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:12,177 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:38:12,177 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:25 [2018-04-13 11:38:12,196 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 28 [2018-04-13 11:38:12,198 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 5 [2018-04-13 11:38:12,199 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:12,203 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:12,206 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:12,207 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:35, output treesize:5 [2018-04-13 11:38:12,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:38:12,220 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 11:38:12,220 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-04-13 11:38:12,220 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-13 11:38:12,220 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-13 11:38:12,221 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-04-13 11:38:12,221 INFO L87 Difference]: Start difference. First operand 120 states and 133 transitions. Second operand 11 states. [2018-04-13 11:38:12,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:38:12,558 INFO L93 Difference]: Finished difference Result 123 states and 136 transitions. [2018-04-13 11:38:12,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-13 11:38:12,558 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 22 [2018-04-13 11:38:12,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:38:12,558 INFO L225 Difference]: With dead ends: 123 [2018-04-13 11:38:12,558 INFO L226 Difference]: Without dead ends: 123 [2018-04-13 11:38:12,559 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2018-04-13 11:38:12,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-04-13 11:38:12,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 122. [2018-04-13 11:38:12,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-04-13 11:38:12,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 136 transitions. [2018-04-13 11:38:12,561 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 136 transitions. Word has length 22 [2018-04-13 11:38:12,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:38:12,561 INFO L459 AbstractCegarLoop]: Abstraction has 122 states and 136 transitions. [2018-04-13 11:38:12,561 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-13 11:38:12,561 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 136 transitions. [2018-04-13 11:38:12,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-13 11:38:12,561 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:38:12,561 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:38:12,561 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:38:12,562 INFO L82 PathProgramCache]: Analyzing trace with hash 170689636, now seen corresponding path program 1 times [2018-04-13 11:38:12,562 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:38:12,562 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:38:12,562 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:12,563 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:12,563 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:12,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:12,571 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:38:12,574 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:38:12,574 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:38:12,574 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:38:12,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:12,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:12,600 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:38:12,612 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:38:12,613 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:12,615 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:12,615 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-13 11:38:12,623 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:12,625 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:12,625 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:12,626 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:12,631 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:12,633 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:12,633 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:12,634 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:12,639 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:12,639 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:31, output treesize:20 [2018-04-13 11:38:12,667 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 38 [2018-04-13 11:38:12,670 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:12,671 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 33 [2018-04-13 11:38:12,671 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:12,686 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2018-04-13 11:38:12,687 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:12,694 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:12,715 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 35 [2018-04-13 11:38:12,718 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2018-04-13 11:38:12,718 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:12,733 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:12,758 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:38:12,758 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:53, output treesize:45 [2018-04-13 11:38:12,798 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 91 [2018-04-13 11:38:12,801 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 65 [2018-04-13 11:38:12,801 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:12,815 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 49 [2018-04-13 11:38:12,816 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:38:12,839 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:12,840 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 57 [2018-04-13 11:38:12,841 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:38:12,855 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-13 11:38:12,875 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 48 [2018-04-13 11:38:12,900 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 28 [2018-04-13 11:38:12,901 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:38:12,920 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:12,922 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 24 [2018-04-13 11:38:12,923 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:12,936 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:12,938 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 44 [2018-04-13 11:38:12,944 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 7 [2018-04-13 11:38:12,944 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:12,953 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-04-13 11:38:12,953 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:12,963 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:12,969 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:12,970 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 4 variables, input treesize:107, output treesize:9 [2018-04-13 11:38:12,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:38:12,985 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 11:38:12,985 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-04-13 11:38:12,985 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-13 11:38:12,985 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-13 11:38:12,985 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-04-13 11:38:12,986 INFO L87 Difference]: Start difference. First operand 122 states and 136 transitions. Second operand 11 states. [2018-04-13 11:38:13,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:38:13,380 INFO L93 Difference]: Finished difference Result 116 states and 129 transitions. [2018-04-13 11:38:13,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-13 11:38:13,380 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 22 [2018-04-13 11:38:13,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:38:13,381 INFO L225 Difference]: With dead ends: 116 [2018-04-13 11:38:13,381 INFO L226 Difference]: Without dead ends: 116 [2018-04-13 11:38:13,381 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=202, Invalid=398, Unknown=0, NotChecked=0, Total=600 [2018-04-13 11:38:13,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-04-13 11:38:13,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2018-04-13 11:38:13,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-04-13 11:38:13,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 129 transitions. [2018-04-13 11:38:13,383 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 129 transitions. Word has length 22 [2018-04-13 11:38:13,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:38:13,383 INFO L459 AbstractCegarLoop]: Abstraction has 116 states and 129 transitions. [2018-04-13 11:38:13,383 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-13 11:38:13,383 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 129 transitions. [2018-04-13 11:38:13,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-13 11:38:13,383 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:38:13,384 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:38:13,384 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:38:13,384 INFO L82 PathProgramCache]: Analyzing trace with hash -226372977, now seen corresponding path program 1 times [2018-04-13 11:38:13,384 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:38:13,384 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:38:13,385 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:13,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:13,385 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:13,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:13,389 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:38:13,390 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:38:13,390 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:38:13,391 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:38:13,391 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:13,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:13,402 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:38:13,404 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:38:13,405 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:13,407 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:13,407 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 11:38:13,418 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:13,419 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:13,420 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:13,422 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:13,429 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:13,432 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:13,432 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:13,433 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:13,439 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:13,439 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:34, output treesize:26 [2018-04-13 11:38:13,470 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 11:38:13,473 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:13,475 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 11:38:13,476 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:13,481 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:13,495 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 11:38:13,498 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:13,499 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:38:13,500 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 30 [2018-04-13 11:38:13,500 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:13,505 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:13,513 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:13,513 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:52, output treesize:44 [2018-04-13 11:38:13,526 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-04-13 11:38:13,527 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:13,528 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2018-04-13 11:38:13,528 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:13,530 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:13,535 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:38:13,536 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:58, output treesize:38 [2018-04-13 11:38:13,576 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2018-04-13 11:38:13,578 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:13,579 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:13,579 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:38:13,580 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2018-04-13 11:38:13,581 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:13,588 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:13,594 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:13,594 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:45, output treesize:5 [2018-04-13 11:38:13,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:38:13,603 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 11:38:13,603 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-13 11:38:13,603 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-13 11:38:13,603 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-13 11:38:13,603 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-04-13 11:38:13,603 INFO L87 Difference]: Start difference. First operand 116 states and 129 transitions. Second operand 9 states. [2018-04-13 11:38:13,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:38:13,854 INFO L93 Difference]: Finished difference Result 175 states and 188 transitions. [2018-04-13 11:38:13,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-13 11:38:13,854 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2018-04-13 11:38:13,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:38:13,854 INFO L225 Difference]: With dead ends: 175 [2018-04-13 11:38:13,854 INFO L226 Difference]: Without dead ends: 175 [2018-04-13 11:38:13,855 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2018-04-13 11:38:13,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2018-04-13 11:38:13,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 116. [2018-04-13 11:38:13,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-04-13 11:38:13,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 128 transitions. [2018-04-13 11:38:13,857 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 128 transitions. Word has length 26 [2018-04-13 11:38:13,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:38:13,857 INFO L459 AbstractCegarLoop]: Abstraction has 116 states and 128 transitions. [2018-04-13 11:38:13,857 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-13 11:38:13,857 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 128 transitions. [2018-04-13 11:38:13,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-13 11:38:13,857 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:38:13,858 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:38:13,858 INFO L408 AbstractCegarLoop]: === Iteration 12 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:38:13,858 INFO L82 PathProgramCache]: Analyzing trace with hash -226372976, now seen corresponding path program 1 times [2018-04-13 11:38:13,858 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:38:13,858 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:38:13,859 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:13,859 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:13,859 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:13,867 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:38:13,872 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:38:13,872 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:38:13,872 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:38:13,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:13,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:13,893 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:38:13,899 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:38:13,900 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:13,902 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:13,902 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 11:38:13,913 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:13,915 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:13,915 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:13,916 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:13,924 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:13,925 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:13,926 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:13,927 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:13,932 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:13,932 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:34, output treesize:26 [2018-04-13 11:38:13,944 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 11:38:13,946 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:13,947 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 11:38:13,947 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:13,951 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:13,962 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 11:38:13,964 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:13,964 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:38:13,965 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 30 [2018-04-13 11:38:13,965 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:13,982 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:13,992 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:13,992 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:52, output treesize:44 [2018-04-13 11:38:14,052 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2018-04-13 11:38:14,056 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:14,056 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:14,057 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:38:14,059 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2018-04-13 11:38:14,060 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:14,068 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:14,081 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 26 [2018-04-13 11:38:14,087 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:14,087 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:38:14,088 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2018-04-13 11:38:14,088 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:14,092 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:14,098 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:14,098 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:76, output treesize:12 [2018-04-13 11:38:14,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:38:14,110 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 11:38:14,110 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-13 11:38:14,111 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-13 11:38:14,111 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-13 11:38:14,111 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=48, Unknown=6, NotChecked=0, Total=72 [2018-04-13 11:38:14,111 INFO L87 Difference]: Start difference. First operand 116 states and 128 transitions. Second operand 9 states. [2018-04-13 11:38:14,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:38:14,558 INFO L93 Difference]: Finished difference Result 173 states and 184 transitions. [2018-04-13 11:38:14,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-13 11:38:14,558 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2018-04-13 11:38:14,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:38:14,559 INFO L225 Difference]: With dead ends: 173 [2018-04-13 11:38:14,559 INFO L226 Difference]: Without dead ends: 173 [2018-04-13 11:38:14,559 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=126, Unknown=14, NotChecked=0, Total=210 [2018-04-13 11:38:14,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2018-04-13 11:38:14,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 116. [2018-04-13 11:38:14,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-04-13 11:38:14,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 127 transitions. [2018-04-13 11:38:14,561 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 127 transitions. Word has length 26 [2018-04-13 11:38:14,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:38:14,561 INFO L459 AbstractCegarLoop]: Abstraction has 116 states and 127 transitions. [2018-04-13 11:38:14,561 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-13 11:38:14,561 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 127 transitions. [2018-04-13 11:38:14,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-13 11:38:14,562 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:38:14,562 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:38:14,562 INFO L408 AbstractCegarLoop]: === Iteration 13 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:38:14,562 INFO L82 PathProgramCache]: Analyzing trace with hash 1571912662, now seen corresponding path program 1 times [2018-04-13 11:38:14,562 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:38:14,562 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:38:14,564 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:14,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:14,564 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:14,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:14,568 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:38:14,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:38:14,605 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 11:38:14,605 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-13 11:38:14,606 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-13 11:38:14,606 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-13 11:38:14,606 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-13 11:38:14,606 INFO L87 Difference]: Start difference. First operand 116 states and 127 transitions. Second operand 7 states. [2018-04-13 11:38:14,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:38:14,766 INFO L93 Difference]: Finished difference Result 152 states and 166 transitions. [2018-04-13 11:38:14,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-13 11:38:14,767 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2018-04-13 11:38:14,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:38:14,768 INFO L225 Difference]: With dead ends: 152 [2018-04-13 11:38:14,768 INFO L226 Difference]: Without dead ends: 152 [2018-04-13 11:38:14,768 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2018-04-13 11:38:14,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-04-13 11:38:14,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 118. [2018-04-13 11:38:14,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-04-13 11:38:14,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 130 transitions. [2018-04-13 11:38:14,770 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 130 transitions. Word has length 27 [2018-04-13 11:38:14,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:38:14,770 INFO L459 AbstractCegarLoop]: Abstraction has 118 states and 130 transitions. [2018-04-13 11:38:14,771 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-13 11:38:14,771 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 130 transitions. [2018-04-13 11:38:14,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-13 11:38:14,771 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:38:14,771 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:38:14,771 INFO L408 AbstractCegarLoop]: === Iteration 14 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:38:14,771 INFO L82 PathProgramCache]: Analyzing trace with hash 1571912663, now seen corresponding path program 1 times [2018-04-13 11:38:14,771 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:38:14,772 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:38:14,772 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:14,772 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:14,773 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:14,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:14,778 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:38:14,781 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:38:14,781 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:38:14,781 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:38:14,782 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:14,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:14,794 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:38:14,796 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:38:14,796 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:14,798 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:14,799 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 11:38:14,809 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:14,811 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:14,811 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:14,813 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:14,820 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:14,821 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:14,821 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:14,823 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:14,827 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:14,827 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:34, output treesize:26 [2018-04-13 11:38:14,840 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 11:38:14,842 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:14,843 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 11:38:14,844 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:14,848 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:14,857 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 11:38:14,859 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:14,859 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:38:14,860 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 30 [2018-04-13 11:38:14,860 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:14,865 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:14,873 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:14,874 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:52, output treesize:44 [2018-04-13 11:38:14,889 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-04-13 11:38:14,891 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:14,893 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2018-04-13 11:38:14,893 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:14,895 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:14,903 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-04-13 11:38:14,908 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:14,909 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2018-04-13 11:38:14,909 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:14,912 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:14,920 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:14,920 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:58, output treesize:9 [2018-04-13 11:38:14,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:38:14,959 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 11:38:14,959 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-13 11:38:14,960 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-13 11:38:14,960 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-13 11:38:14,960 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-04-13 11:38:14,960 INFO L87 Difference]: Start difference. First operand 118 states and 130 transitions. Second operand 8 states. [2018-04-13 11:38:15,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:38:15,128 INFO L93 Difference]: Finished difference Result 173 states and 187 transitions. [2018-04-13 11:38:15,129 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-13 11:38:15,129 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2018-04-13 11:38:15,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:38:15,129 INFO L225 Difference]: With dead ends: 173 [2018-04-13 11:38:15,129 INFO L226 Difference]: Without dead ends: 173 [2018-04-13 11:38:15,130 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2018-04-13 11:38:15,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2018-04-13 11:38:15,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 141. [2018-04-13 11:38:15,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-04-13 11:38:15,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 166 transitions. [2018-04-13 11:38:15,133 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 166 transitions. Word has length 27 [2018-04-13 11:38:15,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:38:15,133 INFO L459 AbstractCegarLoop]: Abstraction has 141 states and 166 transitions. [2018-04-13 11:38:15,133 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-13 11:38:15,133 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 166 transitions. [2018-04-13 11:38:15,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-13 11:38:15,134 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:38:15,134 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:38:15,134 INFO L408 AbstractCegarLoop]: === Iteration 15 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:38:15,134 INFO L82 PathProgramCache]: Analyzing trace with hash -292754409, now seen corresponding path program 1 times [2018-04-13 11:38:15,134 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:38:15,135 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:38:15,135 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:15,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:15,136 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:15,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:15,140 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:38:15,142 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:38:15,142 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:38:15,142 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:38:15,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:15,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:15,152 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:38:15,157 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:15,157 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:15,158 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:15,158 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:15,160 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:15,161 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2018-04-13 11:38:15,165 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 11:38:15,167 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:15,167 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 11:38:15,168 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:15,170 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:15,173 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:15,173 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:24, output treesize:20 [2018-04-13 11:38:15,180 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2018-04-13 11:38:15,181 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2018-04-13 11:38:15,182 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:15,182 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:15,183 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:15,183 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:3 [2018-04-13 11:38:15,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:38:15,190 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 11:38:15,191 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-13 11:38:15,191 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-13 11:38:15,191 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-13 11:38:15,191 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-04-13 11:38:15,191 INFO L87 Difference]: Start difference. First operand 141 states and 166 transitions. Second operand 8 states. [2018-04-13 11:38:15,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:38:15,283 INFO L93 Difference]: Finished difference Result 158 states and 172 transitions. [2018-04-13 11:38:15,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-13 11:38:15,284 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 31 [2018-04-13 11:38:15,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:38:15,285 INFO L225 Difference]: With dead ends: 158 [2018-04-13 11:38:15,285 INFO L226 Difference]: Without dead ends: 158 [2018-04-13 11:38:15,285 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2018-04-13 11:38:15,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2018-04-13 11:38:15,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 143. [2018-04-13 11:38:15,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-04-13 11:38:15,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 168 transitions. [2018-04-13 11:38:15,288 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 168 transitions. Word has length 31 [2018-04-13 11:38:15,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:38:15,288 INFO L459 AbstractCegarLoop]: Abstraction has 143 states and 168 transitions. [2018-04-13 11:38:15,288 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-13 11:38:15,288 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2018-04-13 11:38:15,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-13 11:38:15,289 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:38:15,289 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:38:15,289 INFO L408 AbstractCegarLoop]: === Iteration 16 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:38:15,289 INFO L82 PathProgramCache]: Analyzing trace with hash -911862981, now seen corresponding path program 1 times [2018-04-13 11:38:15,289 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:38:15,289 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:38:15,290 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:15,290 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:15,290 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:15,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:15,297 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:38:15,299 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:38:15,300 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:38:15,300 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:38:15,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:15,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:15,318 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:38:15,324 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:38:15,325 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:15,326 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:15,327 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 11:38:15,334 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:15,335 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:15,335 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:15,336 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:15,341 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:15,342 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:15,342 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:15,343 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:15,346 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:15,346 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:31, output treesize:23 [2018-04-13 11:38:15,354 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 11:38:15,357 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:15,358 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 11:38:15,358 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:15,362 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:15,375 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 11:38:15,377 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:15,379 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 11:38:15,379 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:15,383 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:15,390 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:15,390 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:49, output treesize:41 [2018-04-13 11:38:15,401 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-04-13 11:38:15,404 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:15,405 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2018-04-13 11:38:15,405 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:15,408 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:15,415 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:38:15,415 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:55, output treesize:35 [2018-04-13 11:38:15,464 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2018-04-13 11:38:15,466 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:15,466 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:38:15,467 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2018-04-13 11:38:15,468 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:15,470 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:15,473 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:15,474 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:42, output treesize:5 [2018-04-13 11:38:15,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:38:15,484 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 11:38:15,484 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-13 11:38:15,484 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-13 11:38:15,484 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-13 11:38:15,484 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-04-13 11:38:15,485 INFO L87 Difference]: Start difference. First operand 143 states and 168 transitions. Second operand 10 states. [2018-04-13 11:38:15,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:38:15,855 INFO L93 Difference]: Finished difference Result 175 states and 188 transitions. [2018-04-13 11:38:15,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-13 11:38:15,855 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 31 [2018-04-13 11:38:15,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:38:15,855 INFO L225 Difference]: With dead ends: 175 [2018-04-13 11:38:15,855 INFO L226 Difference]: Without dead ends: 175 [2018-04-13 11:38:15,856 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2018-04-13 11:38:15,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2018-04-13 11:38:15,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 143. [2018-04-13 11:38:15,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-04-13 11:38:15,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 167 transitions. [2018-04-13 11:38:15,858 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 167 transitions. Word has length 31 [2018-04-13 11:38:15,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:38:15,858 INFO L459 AbstractCegarLoop]: Abstraction has 143 states and 167 transitions. [2018-04-13 11:38:15,858 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-13 11:38:15,858 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 167 transitions. [2018-04-13 11:38:15,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-13 11:38:15,858 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:38:15,858 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:38:15,858 INFO L408 AbstractCegarLoop]: === Iteration 17 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:38:15,858 INFO L82 PathProgramCache]: Analyzing trace with hash -911862980, now seen corresponding path program 1 times [2018-04-13 11:38:15,858 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:38:15,858 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:38:15,859 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:15,859 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:15,859 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:15,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:15,863 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:38:15,867 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:38:15,867 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:38:15,867 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:38:15,868 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:15,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:15,880 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:38:15,907 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:38:15,907 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:15,910 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:15,910 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 11:38:15,921 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:15,922 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:15,922 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:15,923 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:15,930 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:15,931 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:15,931 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:15,932 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:15,937 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:15,938 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:34, output treesize:26 [2018-04-13 11:38:15,960 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 11:38:15,962 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:15,962 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:38:15,963 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 30 [2018-04-13 11:38:15,963 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:15,968 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:15,978 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 11:38:15,980 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:15,981 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 11:38:15,981 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:16,003 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:16,011 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:16,011 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:52, output treesize:44 [2018-04-13 11:38:16,087 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2018-04-13 11:38:16,089 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:16,089 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:16,090 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:38:16,091 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2018-04-13 11:38:16,092 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:16,096 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:16,107 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2018-04-13 11:38:16,108 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:16,109 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:38:16,109 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2018-04-13 11:38:16,110 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:16,113 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:16,120 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:16,120 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:76, output treesize:9 [2018-04-13 11:38:16,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:38:16,153 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 11:38:16,154 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-04-13 11:38:16,154 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-13 11:38:16,154 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-13 11:38:16,154 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=77, Unknown=8, NotChecked=0, Total=110 [2018-04-13 11:38:16,154 INFO L87 Difference]: Start difference. First operand 143 states and 167 transitions. Second operand 11 states. [2018-04-13 11:38:16,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:38:16,765 INFO L93 Difference]: Finished difference Result 171 states and 182 transitions. [2018-04-13 11:38:16,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-13 11:38:16,765 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 31 [2018-04-13 11:38:16,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:38:16,766 INFO L225 Difference]: With dead ends: 171 [2018-04-13 11:38:16,766 INFO L226 Difference]: Without dead ends: 171 [2018-04-13 11:38:16,766 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=215, Unknown=18, NotChecked=0, Total=342 [2018-04-13 11:38:16,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2018-04-13 11:38:16,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 143. [2018-04-13 11:38:16,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-04-13 11:38:16,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 166 transitions. [2018-04-13 11:38:16,768 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 166 transitions. Word has length 31 [2018-04-13 11:38:16,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:38:16,769 INFO L459 AbstractCegarLoop]: Abstraction has 143 states and 166 transitions. [2018-04-13 11:38:16,769 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-13 11:38:16,769 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 166 transitions. [2018-04-13 11:38:16,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-13 11:38:16,769 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:38:16,769 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:38:16,769 INFO L408 AbstractCegarLoop]: === Iteration 18 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:38:16,769 INFO L82 PathProgramCache]: Analyzing trace with hash 2085977512, now seen corresponding path program 1 times [2018-04-13 11:38:16,770 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:38:16,770 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:38:16,770 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:16,770 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:16,770 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:16,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:16,775 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:38:16,777 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:38:16,777 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:38:16,777 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:38:16,778 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:16,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:16,790 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:38:16,798 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:16,800 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:16,800 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:16,801 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:16,806 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:16,807 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:16,807 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:16,808 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:16,810 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:16,810 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:23, output treesize:15 [2018-04-13 11:38:16,816 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 11:38:16,818 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:16,819 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 11:38:16,819 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:16,823 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:16,830 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 11:38:16,831 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:16,833 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 11:38:16,833 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:16,836 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:16,841 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:16,841 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:41, output treesize:33 [2018-04-13 11:38:16,859 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-04-13 11:38:16,860 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-13 11:38:16,860 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:16,861 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:16,867 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:16,867 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:46, output treesize:42 [2018-04-13 11:38:16,877 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-04-13 11:38:16,879 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:16,880 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2018-04-13 11:38:16,880 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:16,882 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:16,888 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-04-13 11:38:16,890 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:16,891 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2018-04-13 11:38:16,891 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:16,893 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:16,896 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:16,896 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:56, output treesize:9 [2018-04-13 11:38:16,906 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-04-13 11:38:16,907 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-04-13 11:38:16,907 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:16,908 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:16,909 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:16,909 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2018-04-13 11:38:16,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:38:16,915 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 11:38:16,915 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-13 11:38:16,915 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-13 11:38:16,915 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-13 11:38:16,916 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-04-13 11:38:16,916 INFO L87 Difference]: Start difference. First operand 143 states and 166 transitions. Second operand 9 states. [2018-04-13 11:38:17,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:38:17,093 INFO L93 Difference]: Finished difference Result 159 states and 170 transitions. [2018-04-13 11:38:17,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-13 11:38:17,093 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 33 [2018-04-13 11:38:17,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:38:17,094 INFO L225 Difference]: With dead ends: 159 [2018-04-13 11:38:17,094 INFO L226 Difference]: Without dead ends: 159 [2018-04-13 11:38:17,094 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2018-04-13 11:38:17,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-04-13 11:38:17,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 143. [2018-04-13 11:38:17,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-04-13 11:38:17,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 165 transitions. [2018-04-13 11:38:17,096 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 165 transitions. Word has length 33 [2018-04-13 11:38:17,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:38:17,096 INFO L459 AbstractCegarLoop]: Abstraction has 143 states and 165 transitions. [2018-04-13 11:38:17,096 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-13 11:38:17,096 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 165 transitions. [2018-04-13 11:38:17,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-04-13 11:38:17,097 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:38:17,097 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:38:17,097 INFO L408 AbstractCegarLoop]: === Iteration 19 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:38:17,097 INFO L82 PathProgramCache]: Analyzing trace with hash -972014181, now seen corresponding path program 1 times [2018-04-13 11:38:17,097 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:38:17,097 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:38:17,097 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:17,098 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:17,098 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:17,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:17,101 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:38:17,103 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:38:17,103 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:38:17,103 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:38:17,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:17,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:17,120 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:38:17,123 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:38:17,124 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:17,127 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:17,127 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 11:38:17,138 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:17,139 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:17,140 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:17,141 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:17,147 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:17,148 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:17,149 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:17,150 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:17,154 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:17,155 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:34, output treesize:26 [2018-04-13 11:38:17,165 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 11:38:17,167 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:17,168 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 11:38:17,168 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:17,171 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:17,182 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 11:38:17,184 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:17,184 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:38:17,185 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 30 [2018-04-13 11:38:17,185 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:17,189 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:17,196 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:17,196 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:52, output treesize:44 [2018-04-13 11:38:17,210 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-04-13 11:38:17,211 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:17,212 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2018-04-13 11:38:17,212 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:17,214 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:17,222 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:38:17,222 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:58, output treesize:38 [2018-04-13 11:38:17,265 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2018-04-13 11:38:17,267 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:17,267 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:17,268 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:38:17,269 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2018-04-13 11:38:17,270 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:17,273 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:17,279 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:17,280 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:45, output treesize:5 [2018-04-13 11:38:17,312 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:38:17,312 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:38:17,313 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-04-13 11:38:17,313 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-13 11:38:17,313 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-13 11:38:17,313 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2018-04-13 11:38:17,313 INFO L87 Difference]: Start difference. First operand 143 states and 165 transitions. Second operand 11 states. [2018-04-13 11:38:17,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:38:17,733 INFO L93 Difference]: Finished difference Result 172 states and 184 transitions. [2018-04-13 11:38:17,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-13 11:38:17,734 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 34 [2018-04-13 11:38:17,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:38:17,734 INFO L225 Difference]: With dead ends: 172 [2018-04-13 11:38:17,734 INFO L226 Difference]: Without dead ends: 172 [2018-04-13 11:38:17,735 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=132, Invalid=288, Unknown=0, NotChecked=0, Total=420 [2018-04-13 11:38:17,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2018-04-13 11:38:17,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 146. [2018-04-13 11:38:17,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-04-13 11:38:17,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 169 transitions. [2018-04-13 11:38:17,738 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 169 transitions. Word has length 34 [2018-04-13 11:38:17,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:38:17,738 INFO L459 AbstractCegarLoop]: Abstraction has 146 states and 169 transitions. [2018-04-13 11:38:17,738 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-13 11:38:17,738 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 169 transitions. [2018-04-13 11:38:17,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-04-13 11:38:17,739 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:38:17,739 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:38:17,739 INFO L408 AbstractCegarLoop]: === Iteration 20 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:38:17,739 INFO L82 PathProgramCache]: Analyzing trace with hash -972014180, now seen corresponding path program 1 times [2018-04-13 11:38:17,739 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:38:17,739 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:38:17,741 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:17,741 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:17,741 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:17,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:17,747 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:38:17,751 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:38:17,751 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:38:17,751 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:38:17,752 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:17,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:17,766 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:38:17,769 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:38:17,769 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:17,776 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:17,776 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 11:38:17,785 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:17,787 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:17,787 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:17,788 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:17,795 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:17,796 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:17,797 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:17,798 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:17,803 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:17,803 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:34, output treesize:26 [2018-04-13 11:38:17,813 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 11:38:17,815 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:17,816 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 11:38:17,816 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:17,820 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:17,831 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 11:38:17,832 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:17,833 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:38:17,833 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 30 [2018-04-13 11:38:17,833 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:17,837 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:17,843 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:17,843 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:52, output treesize:44 [2018-04-13 11:38:17,926 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2018-04-13 11:38:17,928 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:17,928 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:38:17,930 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2018-04-13 11:38:17,930 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:17,934 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:17,945 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2018-04-13 11:38:17,947 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:17,947 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:38:17,948 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2018-04-13 11:38:17,948 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:17,952 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:17,959 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:17,959 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:76, output treesize:12 [2018-04-13 11:38:18,003 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:38:18,003 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:38:18,003 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-04-13 11:38:18,004 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-13 11:38:18,004 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-13 11:38:18,004 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=95, Unknown=8, NotChecked=0, Total=132 [2018-04-13 11:38:18,004 INFO L87 Difference]: Start difference. First operand 146 states and 169 transitions. Second operand 12 states. [2018-04-13 11:38:18,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:38:18,573 INFO L93 Difference]: Finished difference Result 170 states and 180 transitions. [2018-04-13 11:38:18,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-13 11:38:18,574 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 34 [2018-04-13 11:38:18,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:38:18,574 INFO L225 Difference]: With dead ends: 170 [2018-04-13 11:38:18,574 INFO L226 Difference]: Without dead ends: 170 [2018-04-13 11:38:18,575 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=140, Invalid=298, Unknown=24, NotChecked=0, Total=462 [2018-04-13 11:38:18,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2018-04-13 11:38:18,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 146. [2018-04-13 11:38:18,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-04-13 11:38:18,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 168 transitions. [2018-04-13 11:38:18,577 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 168 transitions. Word has length 34 [2018-04-13 11:38:18,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:38:18,577 INFO L459 AbstractCegarLoop]: Abstraction has 146 states and 168 transitions. [2018-04-13 11:38:18,577 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-13 11:38:18,577 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 168 transitions. [2018-04-13 11:38:18,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-04-13 11:38:18,578 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:38:18,578 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:38:18,578 INFO L408 AbstractCegarLoop]: === Iteration 21 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:38:18,578 INFO L82 PathProgramCache]: Analyzing trace with hash 2027077560, now seen corresponding path program 1 times [2018-04-13 11:38:18,578 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:38:18,578 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:38:18,579 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:18,579 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:18,579 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:18,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:18,584 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:38:18,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:38:18,595 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 11:38:18,595 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-13 11:38:18,595 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-13 11:38:18,596 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-13 11:38:18,596 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-13 11:38:18,596 INFO L87 Difference]: Start difference. First operand 146 states and 168 transitions. Second operand 3 states. [2018-04-13 11:38:18,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:38:18,606 INFO L93 Difference]: Finished difference Result 220 states and 247 transitions. [2018-04-13 11:38:18,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-13 11:38:18,606 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2018-04-13 11:38:18,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:38:18,609 INFO L225 Difference]: With dead ends: 220 [2018-04-13 11:38:18,609 INFO L226 Difference]: Without dead ends: 220 [2018-04-13 11:38:18,609 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-13 11:38:18,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2018-04-13 11:38:18,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 164. [2018-04-13 11:38:18,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2018-04-13 11:38:18,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 189 transitions. [2018-04-13 11:38:18,614 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 189 transitions. Word has length 34 [2018-04-13 11:38:18,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:38:18,614 INFO L459 AbstractCegarLoop]: Abstraction has 164 states and 189 transitions. [2018-04-13 11:38:18,614 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-13 11:38:18,614 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 189 transitions. [2018-04-13 11:38:18,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-04-13 11:38:18,614 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:38:18,615 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:38:18,615 INFO L408 AbstractCegarLoop]: === Iteration 22 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:38:18,615 INFO L82 PathProgramCache]: Analyzing trace with hash -604866046, now seen corresponding path program 1 times [2018-04-13 11:38:18,615 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:38:18,615 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:38:18,616 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:18,616 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:18,616 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:18,622 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:38:18,625 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:38:18,625 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:38:18,625 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:38:18,626 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:18,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:18,640 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:38:18,651 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:18,653 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:18,653 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:18,654 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:18,659 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:18,660 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:18,660 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:18,661 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:18,664 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:18,664 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:26, output treesize:18 [2018-04-13 11:38:18,671 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 11:38:18,673 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:18,674 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 11:38:18,674 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:18,677 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:18,684 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 11:38:18,685 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:18,686 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 11:38:18,686 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:18,689 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:18,694 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:18,694 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:44, output treesize:36 [2018-04-13 11:38:18,705 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-04-13 11:38:18,707 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:18,708 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2018-04-13 11:38:18,708 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:18,710 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:18,715 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:38:18,715 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:50, output treesize:27 [2018-04-13 11:38:18,760 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2018-04-13 11:38:18,762 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:18,763 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:18,763 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:38:18,764 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:38:18,764 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2018-04-13 11:38:18,764 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:18,769 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:18,773 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:18,773 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:37, output treesize:3 [2018-04-13 11:38:18,799 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:38:18,799 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:38:18,799 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-04-13 11:38:18,800 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-13 11:38:18,800 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-13 11:38:18,800 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2018-04-13 11:38:18,800 INFO L87 Difference]: Start difference. First operand 164 states and 189 transitions. Second operand 12 states. [2018-04-13 11:38:19,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:38:19,318 INFO L93 Difference]: Finished difference Result 201 states and 217 transitions. [2018-04-13 11:38:19,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-13 11:38:19,318 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 37 [2018-04-13 11:38:19,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:38:19,319 INFO L225 Difference]: With dead ends: 201 [2018-04-13 11:38:19,319 INFO L226 Difference]: Without dead ends: 201 [2018-04-13 11:38:19,319 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=191, Invalid=459, Unknown=0, NotChecked=0, Total=650 [2018-04-13 11:38:19,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2018-04-13 11:38:19,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 176. [2018-04-13 11:38:19,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2018-04-13 11:38:19,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 204 transitions. [2018-04-13 11:38:19,321 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 204 transitions. Word has length 37 [2018-04-13 11:38:19,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:38:19,321 INFO L459 AbstractCegarLoop]: Abstraction has 176 states and 204 transitions. [2018-04-13 11:38:19,321 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-13 11:38:19,321 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 204 transitions. [2018-04-13 11:38:19,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-04-13 11:38:19,322 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:38:19,322 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:38:19,322 INFO L408 AbstractCegarLoop]: === Iteration 23 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:38:19,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1570978174, now seen corresponding path program 1 times [2018-04-13 11:38:19,322 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:38:19,322 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:38:19,323 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:19,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:19,323 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:19,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:19,327 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:38:19,328 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:38:19,328 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:38:19,328 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:38:19,329 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:19,345 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:38:19,358 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:19,360 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:19,360 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:19,361 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:19,368 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:19,370 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:19,370 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:19,371 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:19,376 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:19,376 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:26, output treesize:18 [2018-04-13 11:38:19,387 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 11:38:19,389 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:19,390 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 11:38:19,391 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:19,395 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:19,406 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 11:38:19,408 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:19,409 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 11:38:19,409 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:19,413 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:19,421 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:19,421 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:44, output treesize:36 [2018-04-13 11:38:19,576 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 42 [2018-04-13 11:38:19,578 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:19,579 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:38:19,581 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 31 [2018-04-13 11:38:19,582 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:19,589 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:19,601 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 32 [2018-04-13 11:38:19,603 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:19,604 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:38:19,605 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2018-04-13 11:38:19,605 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:19,612 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:19,619 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:19,620 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:86, output treesize:11 [2018-04-13 11:38:19,651 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-04-13 11:38:19,656 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 10 [2018-04-13 11:38:19,657 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 11:38:19,660 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:38:19,664 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:38:19,665 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:20, output treesize:18 [2018-04-13 11:38:19,711 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:38:19,711 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:38:19,711 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-04-13 11:38:19,712 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-13 11:38:19,712 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-13 11:38:19,712 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=192, Unknown=10, NotChecked=0, Total=240 [2018-04-13 11:38:19,712 INFO L87 Difference]: Start difference. First operand 176 states and 204 transitions. Second operand 16 states. [2018-04-13 11:38:20,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:38:20,543 INFO L93 Difference]: Finished difference Result 201 states and 219 transitions. [2018-04-13 11:38:20,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-13 11:38:20,544 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 38 [2018-04-13 11:38:20,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:38:20,545 INFO L225 Difference]: With dead ends: 201 [2018-04-13 11:38:20,545 INFO L226 Difference]: Without dead ends: 199 [2018-04-13 11:38:20,545 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=207, Invalid=631, Unknown=32, NotChecked=0, Total=870 [2018-04-13 11:38:20,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2018-04-13 11:38:20,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 183. [2018-04-13 11:38:20,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2018-04-13 11:38:20,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 211 transitions. [2018-04-13 11:38:20,549 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 211 transitions. Word has length 38 [2018-04-13 11:38:20,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:38:20,549 INFO L459 AbstractCegarLoop]: Abstraction has 183 states and 211 transitions. [2018-04-13 11:38:20,549 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-13 11:38:20,549 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 211 transitions. [2018-04-13 11:38:20,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-04-13 11:38:20,550 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:38:20,550 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:38:20,550 INFO L408 AbstractCegarLoop]: === Iteration 24 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:38:20,550 INFO L82 PathProgramCache]: Analyzing trace with hash 150327430, now seen corresponding path program 1 times [2018-04-13 11:38:20,550 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:38:20,550 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:38:20,551 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:20,551 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:20,551 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:20,566 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:38:20,571 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:38:20,571 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:38:20,571 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:38:20,572 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:20,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:20,597 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:38:20,623 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:20,624 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:20,625 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:20,626 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 28 [2018-04-13 11:38:20,627 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:20,640 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:20,641 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-04-13 11:38:20,656 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:20,659 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:20,659 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:20,661 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:20,670 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:20,670 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:35, output treesize:32 [2018-04-13 11:38:20,709 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 43 [2018-04-13 11:38:20,711 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:38:20,712 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:20,718 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:20,751 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:38:20,751 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:45 [2018-04-13 11:38:20,811 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2018-04-13 11:38:20,814 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 25 [2018-04-13 11:38:20,815 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:20,821 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:20,829 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:38:20,829 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:58, output treesize:50 [2018-04-13 11:38:22,856 WARN L151 SmtUtils]: Spent 2012ms on a formula simplification. DAG size of input: 27 DAG size of output 23 [2018-04-13 11:38:22,877 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 26 [2018-04-13 11:38:22,879 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 10 [2018-04-13 11:38:22,879 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:22,883 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:38:22,884 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:22,886 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:22,889 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:38:22,889 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:43, output treesize:15 [2018-04-13 11:38:22,932 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:38:22,932 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:38:22,932 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-13 11:38:22,933 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-13 11:38:22,933 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-13 11:38:22,933 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2018-04-13 11:38:22,933 INFO L87 Difference]: Start difference. First operand 183 states and 211 transitions. Second operand 15 states. [2018-04-13 11:38:33,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:38:33,523 INFO L93 Difference]: Finished difference Result 270 states and 304 transitions. [2018-04-13 11:38:33,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-13 11:38:33,523 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 39 [2018-04-13 11:38:33,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:38:33,524 INFO L225 Difference]: With dead ends: 270 [2018-04-13 11:38:33,524 INFO L226 Difference]: Without dead ends: 270 [2018-04-13 11:38:33,524 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=242, Invalid=628, Unknown=0, NotChecked=0, Total=870 [2018-04-13 11:38:33,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2018-04-13 11:38:33,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 208. [2018-04-13 11:38:33,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2018-04-13 11:38:33,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 240 transitions. [2018-04-13 11:38:33,528 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 240 transitions. Word has length 39 [2018-04-13 11:38:33,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:38:33,528 INFO L459 AbstractCegarLoop]: Abstraction has 208 states and 240 transitions. [2018-04-13 11:38:33,528 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-13 11:38:33,529 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 240 transitions. [2018-04-13 11:38:33,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-04-13 11:38:33,529 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:38:33,529 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:38:33,529 INFO L408 AbstractCegarLoop]: === Iteration 25 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:38:33,529 INFO L82 PathProgramCache]: Analyzing trace with hash 150327431, now seen corresponding path program 1 times [2018-04-13 11:38:33,529 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:38:33,529 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:38:33,530 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:33,530 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:33,530 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:33,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:33,535 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:38:33,537 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:38:33,537 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:38:33,537 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:38:33,538 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:33,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:33,555 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:38:33,580 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:38:33,580 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:33,588 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:33,589 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:33,589 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 12 [2018-04-13 11:38:33,590 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:33,595 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:33,596 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:22 [2018-04-13 11:38:33,607 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-13 11:38:33,608 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:33,624 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:33,626 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:33,626 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:33,628 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:33,636 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:33,637 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:33,637 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:33,639 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:33,645 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:33,645 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:46, output treesize:34 [2018-04-13 11:38:33,672 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 64 [2018-04-13 11:38:33,674 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:38:33,674 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:33,680 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:33,692 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-13 11:38:33,693 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:38:33,694 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:33,697 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:33,705 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:38:33,705 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:76, output treesize:60 [2018-04-13 11:38:33,763 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 72 [2018-04-13 11:38:33,766 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 25 [2018-04-13 11:38:33,766 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:33,773 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:33,787 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 35 [2018-04-13 11:38:33,789 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 25 [2018-04-13 11:38:33,790 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:33,795 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:33,804 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:38:33,804 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:92, output treesize:76 [2018-04-13 11:38:35,831 WARN L151 SmtUtils]: Spent 2013ms on a formula simplification. DAG size of input: 36 DAG size of output 29 [2018-04-13 11:38:35,839 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 37 [2018-04-13 11:38:35,841 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 19 [2018-04-13 11:38:35,841 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:35,845 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:38:35,846 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:35,848 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:35,854 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 22 [2018-04-13 11:38:35,855 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-04-13 11:38:35,855 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:35,858 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:38:35,859 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:35,859 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:35,862 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:35,862 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:65, output treesize:9 [2018-04-13 11:38:35,879 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:38:35,880 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:38:35,880 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-13 11:38:35,880 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-13 11:38:35,880 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-13 11:38:35,880 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2018-04-13 11:38:35,880 INFO L87 Difference]: Start difference. First operand 208 states and 240 transitions. Second operand 15 states. [2018-04-13 11:38:36,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:38:36,472 INFO L93 Difference]: Finished difference Result 282 states and 317 transitions. [2018-04-13 11:38:36,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-13 11:38:36,472 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 39 [2018-04-13 11:38:36,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:38:36,473 INFO L225 Difference]: With dead ends: 282 [2018-04-13 11:38:36,473 INFO L226 Difference]: Without dead ends: 282 [2018-04-13 11:38:36,474 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=202, Invalid=610, Unknown=0, NotChecked=0, Total=812 [2018-04-13 11:38:36,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2018-04-13 11:38:36,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 215. [2018-04-13 11:38:36,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2018-04-13 11:38:36,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 250 transitions. [2018-04-13 11:38:36,476 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 250 transitions. Word has length 39 [2018-04-13 11:38:36,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:38:36,476 INFO L459 AbstractCegarLoop]: Abstraction has 215 states and 250 transitions. [2018-04-13 11:38:36,476 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-13 11:38:36,476 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 250 transitions. [2018-04-13 11:38:36,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-04-13 11:38:36,476 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:38:36,477 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:38:36,477 INFO L408 AbstractCegarLoop]: === Iteration 26 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:38:36,477 INFO L82 PathProgramCache]: Analyzing trace with hash -1684865855, now seen corresponding path program 1 times [2018-04-13 11:38:36,477 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:38:36,477 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:38:36,478 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:36,478 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:36,478 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:36,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:36,484 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:38:36,485 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:38:36,485 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:38:36,485 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:38:36,486 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:36,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:36,504 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:38:36,510 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:36,511 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:36,512 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:36,512 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 28 [2018-04-13 11:38:36,513 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:36,516 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:36,516 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:15 [2018-04-13 11:38:36,521 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:36,522 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:36,522 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:36,523 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:36,527 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:36,527 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:23 [2018-04-13 11:38:36,541 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 35 [2018-04-13 11:38:36,542 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:38:36,542 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:36,545 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:36,548 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:38:36,549 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:44, output treesize:36 [2018-04-13 11:38:36,571 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 26 [2018-04-13 11:38:36,572 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 10 [2018-04-13 11:38:36,572 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:36,577 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:38:36,577 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:36,580 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:36,583 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:38:36,583 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:43, output treesize:15 [2018-04-13 11:38:36,605 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:38:36,605 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 11:38:36,605 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-13 11:38:36,606 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-13 11:38:36,606 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-13 11:38:36,606 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-04-13 11:38:36,606 INFO L87 Difference]: Start difference. First operand 215 states and 250 transitions. Second operand 9 states. [2018-04-13 11:38:46,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:38:46,859 INFO L93 Difference]: Finished difference Result 218 states and 252 transitions. [2018-04-13 11:38:46,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-13 11:38:46,859 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 39 [2018-04-13 11:38:46,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:38:46,860 INFO L225 Difference]: With dead ends: 218 [2018-04-13 11:38:46,860 INFO L226 Difference]: Without dead ends: 218 [2018-04-13 11:38:46,860 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2018-04-13 11:38:46,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2018-04-13 11:38:46,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 214. [2018-04-13 11:38:46,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2018-04-13 11:38:46,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 248 transitions. [2018-04-13 11:38:46,862 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 248 transitions. Word has length 39 [2018-04-13 11:38:46,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:38:46,862 INFO L459 AbstractCegarLoop]: Abstraction has 214 states and 248 transitions. [2018-04-13 11:38:46,863 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-13 11:38:46,863 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 248 transitions. [2018-04-13 11:38:46,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-04-13 11:38:46,863 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:38:46,863 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:38:46,863 INFO L408 AbstractCegarLoop]: === Iteration 27 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:38:46,863 INFO L82 PathProgramCache]: Analyzing trace with hash 1687615882, now seen corresponding path program 1 times [2018-04-13 11:38:46,863 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:38:46,863 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:38:46,864 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:46,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:46,864 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:46,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:46,870 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:38:46,872 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:38:46,872 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:38:46,872 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:38:46,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:46,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:46,896 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:38:46,904 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:38:46,904 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:46,910 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:38:46,910 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:46,915 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:46,915 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-13 11:38:46,932 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:46,936 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:46,936 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:46,938 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:46,945 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:46,946 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:46,946 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:46,947 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:46,953 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:46,953 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:39, output treesize:31 [2018-04-13 11:38:46,984 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 11:38:46,986 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:46,986 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:38:46,986 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 30 [2018-04-13 11:38:46,987 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:46,991 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:47,014 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 11:38:47,017 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:47,018 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 11:38:47,018 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:47,021 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:47,029 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:47,029 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:57, output treesize:49 [2018-04-13 11:38:47,045 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-04-13 11:38:47,047 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:47,047 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2018-04-13 11:38:47,048 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:47,050 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:47,058 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:38:47,058 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:63, output treesize:43 [2018-04-13 11:38:47,167 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:38:47,167 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2018-04-13 11:38:47,167 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:47,176 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:38:47,176 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:57, output treesize:31 [2018-04-13 11:38:47,190 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-04-13 11:38:47,192 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:47,192 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:38:47,194 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2018-04-13 11:38:47,194 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:47,197 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:47,203 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:47,203 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:41, output treesize:5 [2018-04-13 11:38:47,220 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:38:47,220 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:38:47,220 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-13 11:38:47,220 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-13 11:38:47,220 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-13 11:38:47,221 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2018-04-13 11:38:47,221 INFO L87 Difference]: Start difference. First operand 214 states and 248 transitions. Second operand 13 states. [2018-04-13 11:38:47,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:38:47,724 INFO L93 Difference]: Finished difference Result 234 states and 258 transitions. [2018-04-13 11:38:47,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-13 11:38:47,725 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 42 [2018-04-13 11:38:47,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:38:47,725 INFO L225 Difference]: With dead ends: 234 [2018-04-13 11:38:47,725 INFO L226 Difference]: Without dead ends: 234 [2018-04-13 11:38:47,726 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=145, Invalid=361, Unknown=0, NotChecked=0, Total=506 [2018-04-13 11:38:47,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2018-04-13 11:38:47,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 207. [2018-04-13 11:38:47,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2018-04-13 11:38:47,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 234 transitions. [2018-04-13 11:38:47,727 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 234 transitions. Word has length 42 [2018-04-13 11:38:47,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:38:47,727 INFO L459 AbstractCegarLoop]: Abstraction has 207 states and 234 transitions. [2018-04-13 11:38:47,727 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-13 11:38:47,728 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 234 transitions. [2018-04-13 11:38:47,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-04-13 11:38:47,728 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:38:47,728 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:38:47,728 INFO L408 AbstractCegarLoop]: === Iteration 28 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:38:47,728 INFO L82 PathProgramCache]: Analyzing trace with hash 1687615883, now seen corresponding path program 1 times [2018-04-13 11:38:47,728 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:38:47,728 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:38:47,729 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:47,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:47,729 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:47,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:47,733 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:38:47,735 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:38:47,735 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:38:47,735 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:38:47,736 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:47,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:47,756 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:38:47,764 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:38:47,764 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:47,767 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:47,767 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 11:38:47,779 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:47,781 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:47,781 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:47,783 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:47,792 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:47,794 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:47,794 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:47,796 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:47,803 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:47,803 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:34, output treesize:26 [2018-04-13 11:38:47,818 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 11:38:47,821 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:47,821 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:38:47,821 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 30 [2018-04-13 11:38:47,822 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:47,825 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:47,834 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 11:38:47,835 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:47,836 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 11:38:47,836 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:47,839 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:47,844 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:47,845 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:52, output treesize:44 [2018-04-13 11:38:47,956 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2018-04-13 11:38:47,958 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:47,959 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:38:47,960 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2018-04-13 11:38:47,960 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:47,964 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:48,016 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 26 [2018-04-13 11:38:48,019 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:48,020 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:48,020 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:38:48,020 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2018-04-13 11:38:48,021 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:48,025 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:48,031 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:48,031 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:76, output treesize:12 [2018-04-13 11:38:48,049 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 2 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-13 11:38:48,049 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:38:48,049 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-04-13 11:38:48,050 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-13 11:38:48,050 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-13 11:38:48,050 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=94, Unknown=11, NotChecked=0, Total=132 [2018-04-13 11:38:48,050 INFO L87 Difference]: Start difference. First operand 207 states and 234 transitions. Second operand 12 states. [2018-04-13 11:38:48,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:38:48,518 INFO L93 Difference]: Finished difference Result 225 states and 245 transitions. [2018-04-13 11:38:48,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-13 11:38:48,519 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 42 [2018-04-13 11:38:48,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:38:48,519 INFO L225 Difference]: With dead ends: 225 [2018-04-13 11:38:48,519 INFO L226 Difference]: Without dead ends: 225 [2018-04-13 11:38:48,520 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=129, Invalid=272, Unknown=19, NotChecked=0, Total=420 [2018-04-13 11:38:48,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2018-04-13 11:38:48,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 207. [2018-04-13 11:38:48,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2018-04-13 11:38:48,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 233 transitions. [2018-04-13 11:38:48,522 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 233 transitions. Word has length 42 [2018-04-13 11:38:48,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:38:48,522 INFO L459 AbstractCegarLoop]: Abstraction has 207 states and 233 transitions. [2018-04-13 11:38:48,522 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-13 11:38:48,522 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 233 transitions. [2018-04-13 11:38:48,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-04-13 11:38:48,522 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:38:48,522 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:38:48,522 INFO L408 AbstractCegarLoop]: === Iteration 29 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:38:48,522 INFO L82 PathProgramCache]: Analyzing trace with hash 18410477, now seen corresponding path program 1 times [2018-04-13 11:38:48,522 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:38:48,522 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:38:48,523 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:48,523 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:48,523 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:48,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:48,528 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:38:48,530 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:38:48,530 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:38:48,530 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:38:48,531 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:48,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:48,549 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:38:48,552 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:38:48,552 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:48,554 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:48,554 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 11:38:48,571 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:48,571 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:48,572 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 24 [2018-04-13 11:38:48,572 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:48,583 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:48,583 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2018-04-13 11:38:48,612 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:48,614 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:48,614 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:48,616 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:48,626 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:48,628 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:48,628 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:48,629 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:48,637 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:48,638 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:46, output treesize:39 [2018-04-13 11:38:48,667 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-13 11:38:48,669 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:38:48,669 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:48,672 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:48,686 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 56 [2018-04-13 11:38:48,688 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:38:48,688 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:48,693 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:48,703 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:38:48,703 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:81, output treesize:65 [2018-04-13 11:38:48,786 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 69 [2018-04-13 11:38:48,790 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 36 [2018-04-13 11:38:48,790 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:48,801 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:48,820 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:48,822 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 85 [2018-04-13 11:38:48,826 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 41 [2018-04-13 11:38:48,826 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:48,837 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:48,852 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:38:48,852 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:112, output treesize:93 [2018-04-13 11:38:48,894 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:48,895 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2018-04-13 11:38:48,897 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2018-04-13 11:38:48,897 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:48,904 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 15 [2018-04-13 11:38:48,904 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:48,907 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:48,915 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:38:48,915 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2018-04-13 11:38:48,955 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:48,956 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:48,957 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 33 [2018-04-13 11:38:48,962 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 24 [2018-04-13 11:38:48,963 INFO L267 ElimStorePlain]: Start of recursive call 3: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-13 11:38:48,987 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2018-04-13 11:38:48,988 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-13 11:38:48,989 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 13 [2018-04-13 11:38:48,989 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:49,002 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-13 11:38:49,013 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-13 11:38:49,013 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:49, output treesize:31 [2018-04-13 11:38:49,064 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:38:49,064 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:38:49,064 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-13 11:38:49,064 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-13 11:38:49,064 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-13 11:38:49,065 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=168, Unknown=1, NotChecked=0, Total=210 [2018-04-13 11:38:49,065 INFO L87 Difference]: Start difference. First operand 207 states and 233 transitions. Second operand 15 states. [2018-04-13 11:38:49,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:38:49,769 INFO L93 Difference]: Finished difference Result 274 states and 301 transitions. [2018-04-13 11:38:49,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-13 11:38:49,769 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 43 [2018-04-13 11:38:49,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:38:49,770 INFO L225 Difference]: With dead ends: 274 [2018-04-13 11:38:49,770 INFO L226 Difference]: Without dead ends: 274 [2018-04-13 11:38:49,770 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=185, Invalid=681, Unknown=4, NotChecked=0, Total=870 [2018-04-13 11:38:49,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2018-04-13 11:38:49,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 207. [2018-04-13 11:38:49,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2018-04-13 11:38:49,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 232 transitions. [2018-04-13 11:38:49,774 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 232 transitions. Word has length 43 [2018-04-13 11:38:49,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:38:49,774 INFO L459 AbstractCegarLoop]: Abstraction has 207 states and 232 transitions. [2018-04-13 11:38:49,774 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-13 11:38:49,774 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 232 transitions. [2018-04-13 11:38:49,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-04-13 11:38:49,775 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:38:49,775 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:38:49,775 INFO L408 AbstractCegarLoop]: === Iteration 30 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:38:49,775 INFO L82 PathProgramCache]: Analyzing trace with hash 18410478, now seen corresponding path program 1 times [2018-04-13 11:38:49,775 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:38:49,775 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:38:49,776 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:49,776 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:49,777 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:49,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:49,784 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:38:49,787 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:38:49,787 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:38:49,788 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:38:49,788 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:49,818 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:38:49,820 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:38:49,820 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:49,823 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:49,823 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 11:38:49,852 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:49,853 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:49,854 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 12 [2018-04-13 11:38:49,854 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:49,865 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-13 11:38:49,865 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:49,873 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:49,874 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:34, output treesize:27 [2018-04-13 11:38:49,890 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-13 11:38:49,890 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:49,906 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:49,908 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:49,908 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:49,910 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:49,924 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:49,926 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:49,926 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:49,928 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:49,939 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:49,939 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:51, output treesize:39 [2018-04-13 11:38:49,983 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 64 [2018-04-13 11:38:49,987 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:38:49,987 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:49,996 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:50,016 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-13 11:38:50,018 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:38:50,019 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:50,024 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:50,038 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:38:50,038 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:81, output treesize:65 [2018-04-13 11:38:50,138 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:50,140 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 93 [2018-04-13 11:38:50,144 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 41 [2018-04-13 11:38:50,144 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:50,156 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:50,174 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:50,177 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 54 [2018-04-13 11:38:50,179 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 36 [2018-04-13 11:38:50,180 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:50,186 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:50,198 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:38:50,198 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:112, output treesize:93 [2018-04-13 11:38:50,279 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:50,280 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:50,281 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 67 [2018-04-13 11:38:50,286 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 46 [2018-04-13 11:38:50,287 INFO L267 ElimStorePlain]: Start of recursive call 3: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-13 11:38:50,302 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 35 [2018-04-13 11:38:50,302 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:50,307 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 51 [2018-04-13 11:38:50,308 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-13 11:38:50,325 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-13 11:38:50,376 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 36 [2018-04-13 11:38:50,378 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 11 [2018-04-13 11:38:50,378 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:50,387 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-04-13 11:38:50,387 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:50,391 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:50,393 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 32 [2018-04-13 11:38:50,394 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 11 [2018-04-13 11:38:50,394 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:50,399 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-04-13 11:38:50,399 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:50,402 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:50,411 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-13 11:38:50,411 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 3 variables, input treesize:94, output treesize:37 [2018-04-13 11:38:50,438 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:38:50,438 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:38:50,438 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-04-13 11:38:50,438 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-13 11:38:50,439 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-13 11:38:50,439 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=198, Unknown=1, NotChecked=0, Total=240 [2018-04-13 11:38:50,439 INFO L87 Difference]: Start difference. First operand 207 states and 232 transitions. Second operand 16 states. [2018-04-13 11:38:51,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:38:51,410 INFO L93 Difference]: Finished difference Result 272 states and 297 transitions. [2018-04-13 11:38:51,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-13 11:38:51,410 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 43 [2018-04-13 11:38:51,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:38:51,411 INFO L225 Difference]: With dead ends: 272 [2018-04-13 11:38:51,411 INFO L226 Difference]: Without dead ends: 272 [2018-04-13 11:38:51,412 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=219, Invalid=769, Unknown=4, NotChecked=0, Total=992 [2018-04-13 11:38:51,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2018-04-13 11:38:51,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 207. [2018-04-13 11:38:51,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2018-04-13 11:38:51,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 231 transitions. [2018-04-13 11:38:51,415 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 231 transitions. Word has length 43 [2018-04-13 11:38:51,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:38:51,415 INFO L459 AbstractCegarLoop]: Abstraction has 207 states and 231 transitions. [2018-04-13 11:38:51,415 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-13 11:38:51,415 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 231 transitions. [2018-04-13 11:38:51,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-04-13 11:38:51,416 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:38:51,416 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:38:51,416 INFO L408 AbstractCegarLoop]: === Iteration 31 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:38:51,416 INFO L82 PathProgramCache]: Analyzing trace with hash 570265145, now seen corresponding path program 1 times [2018-04-13 11:38:51,416 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:38:51,417 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:38:51,417 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:51,417 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:51,418 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:51,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:51,425 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:38:51,428 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:38:51,428 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:38:51,428 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:38:51,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:51,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:51,449 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:38:51,455 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:38:51,456 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:51,457 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:51,457 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-13 11:38:51,493 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:51,493 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 22 [2018-04-13 11:38:51,494 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:51,508 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:51,509 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:51,509 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 12 [2018-04-13 11:38:51,509 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:51,519 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:51,519 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:41, output treesize:34 [2018-04-13 11:38:51,537 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-13 11:38:51,537 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:51,555 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:51,560 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:51,561 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:51,563 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:51,578 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:51,579 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:51,579 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:51,581 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:51,591 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:51,591 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:61, output treesize:46 [2018-04-13 11:38:51,646 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 64 [2018-04-13 11:38:51,648 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:38:51,648 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:51,655 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:51,671 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-13 11:38:51,672 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:38:51,672 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:51,676 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:51,687 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:38:51,688 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:88, output treesize:72 [2018-04-13 11:38:51,753 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 35 [2018-04-13 11:38:51,755 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 25 [2018-04-13 11:38:51,755 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:51,760 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:51,773 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 64 [2018-04-13 11:38:51,776 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 25 [2018-04-13 11:38:51,777 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:51,783 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:51,793 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:38:51,793 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:104, output treesize:88 [2018-04-13 11:38:53,824 WARN L151 SmtUtils]: Spent 2018ms on a formula simplification. DAG size of input: 40 DAG size of output 33 [2018-04-13 11:38:53,923 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 37 [2018-04-13 11:38:53,926 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 19 [2018-04-13 11:38:53,927 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:53,932 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:38:53,933 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:53,937 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:53,947 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 29 [2018-04-13 11:38:53,948 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 9 [2018-04-13 11:38:53,949 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:53,954 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:38:53,954 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:53,956 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:53,962 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:38:53,962 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:89, output treesize:28 [2018-04-13 11:38:53,998 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:38:53,998 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:38:53,998 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-04-13 11:38:53,998 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-13 11:38:53,999 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-13 11:38:53,999 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-04-13 11:38:53,999 INFO L87 Difference]: Start difference. First operand 207 states and 231 transitions. Second operand 19 states. [2018-04-13 11:38:54,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:38:54,963 INFO L93 Difference]: Finished difference Result 297 states and 323 transitions. [2018-04-13 11:38:54,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-04-13 11:38:54,963 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 44 [2018-04-13 11:38:54,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:38:54,964 INFO L225 Difference]: With dead ends: 297 [2018-04-13 11:38:54,964 INFO L226 Difference]: Without dead ends: 297 [2018-04-13 11:38:54,964 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 296 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=358, Invalid=1282, Unknown=0, NotChecked=0, Total=1640 [2018-04-13 11:38:54,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2018-04-13 11:38:54,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 230. [2018-04-13 11:38:54,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2018-04-13 11:38:54,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 265 transitions. [2018-04-13 11:38:54,967 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 265 transitions. Word has length 44 [2018-04-13 11:38:54,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:38:54,967 INFO L459 AbstractCegarLoop]: Abstraction has 230 states and 265 transitions. [2018-04-13 11:38:54,967 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-13 11:38:54,967 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 265 transitions. [2018-04-13 11:38:54,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-04-13 11:38:54,968 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:38:54,968 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:38:54,968 INFO L408 AbstractCegarLoop]: === Iteration 32 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:38:54,968 INFO L82 PathProgramCache]: Analyzing trace with hash 2073084501, now seen corresponding path program 1 times [2018-04-13 11:38:54,968 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:38:54,968 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:38:54,969 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:54,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:54,969 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:54,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:54,975 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:38:54,977 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:38:54,977 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:38:54,977 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:38:54,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:54,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:54,987 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:38:54,997 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:54,998 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:54,998 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:54,999 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:55,004 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:55,005 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:55,006 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:55,007 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:55,010 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:55,010 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:26, output treesize:18 [2018-04-13 11:38:55,018 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 11:38:55,020 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:55,020 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 11:38:55,020 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:55,024 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:55,032 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 11:38:55,033 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:55,034 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 11:38:55,034 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:55,058 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:55,065 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:55,066 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:44, output treesize:36 [2018-04-13 11:38:55,081 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-04-13 11:38:55,083 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:55,084 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2018-04-13 11:38:55,084 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:55,088 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:55,095 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:55,095 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:50, output treesize:30 [2018-04-13 11:38:55,158 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2018-04-13 11:38:55,160 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 12 [2018-04-13 11:38:55,161 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:55,164 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:55,168 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:55,168 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:34, output treesize:8 [2018-04-13 11:38:55,185 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2018-04-13 11:38:55,189 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 15 [2018-04-13 11:38:55,189 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 11:38:55,191 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:38:55,193 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:38:55,193 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:18, output treesize:11 [2018-04-13 11:38:55,211 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:38:55,211 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:38:55,211 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-13 11:38:55,211 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-13 11:38:55,212 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-13 11:38:55,212 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-04-13 11:38:55,212 INFO L87 Difference]: Start difference. First operand 230 states and 265 transitions. Second operand 14 states. [2018-04-13 11:38:55,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:38:55,543 INFO L93 Difference]: Finished difference Result 234 states and 264 transitions. [2018-04-13 11:38:55,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-13 11:38:55,543 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 45 [2018-04-13 11:38:55,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:38:55,544 INFO L225 Difference]: With dead ends: 234 [2018-04-13 11:38:55,544 INFO L226 Difference]: Without dead ends: 233 [2018-04-13 11:38:55,544 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=180, Invalid=576, Unknown=0, NotChecked=0, Total=756 [2018-04-13 11:38:55,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2018-04-13 11:38:55,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 229. [2018-04-13 11:38:55,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2018-04-13 11:38:55,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 263 transitions. [2018-04-13 11:38:55,547 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 263 transitions. Word has length 45 [2018-04-13 11:38:55,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:38:55,547 INFO L459 AbstractCegarLoop]: Abstraction has 229 states and 263 transitions. [2018-04-13 11:38:55,547 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-13 11:38:55,547 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 263 transitions. [2018-04-13 11:38:55,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-04-13 11:38:55,548 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:38:55,548 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:38:55,548 INFO L408 AbstractCegarLoop]: === Iteration 33 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:38:55,548 INFO L82 PathProgramCache]: Analyzing trace with hash -1731005562, now seen corresponding path program 1 times [2018-04-13 11:38:55,548 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:38:55,548 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:38:55,549 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:55,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:55,549 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:55,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:55,557 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:38:55,560 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:38:55,560 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:38:55,560 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:38:55,561 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:55,580 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:38:55,603 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:55,604 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:55,605 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2018-04-13 11:38:55,605 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:55,611 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:55,612 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:17 [2018-04-13 11:38:55,625 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:55,627 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:55,627 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:55,629 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:55,641 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:55,642 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:55,643 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:55,644 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:55,653 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:55,653 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:36, output treesize:25 [2018-04-13 11:38:55,685 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-13 11:38:55,686 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:38:55,687 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:55,690 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:55,722 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 47 [2018-04-13 11:38:55,723 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:38:55,724 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:55,728 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:55,735 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:38:55,735 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:67, output treesize:51 [2018-04-13 11:38:55,754 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2018-04-13 11:38:55,756 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 14 [2018-04-13 11:38:55,757 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:55,761 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:38:55,761 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:55,786 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:55,791 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:38:55,791 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:59, output treesize:31 [2018-04-13 11:38:55,823 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 34 [2018-04-13 11:38:55,826 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2018-04-13 11:38:55,826 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:55,831 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:55,838 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-13 11:38:55,839 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:45, output treesize:41 [2018-04-13 11:38:55,865 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 32 [2018-04-13 11:38:55,867 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2018-04-13 11:38:55,867 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:55,872 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2018-04-13 11:38:55,872 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:55,874 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:55,878 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:55,878 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:45, output treesize:7 [2018-04-13 11:38:55,897 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:38:55,898 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:38:55,898 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-13 11:38:55,898 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-13 11:38:55,898 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-13 11:38:55,898 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2018-04-13 11:38:55,898 INFO L87 Difference]: Start difference. First operand 229 states and 263 transitions. Second operand 15 states. [2018-04-13 11:38:56,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:38:56,376 INFO L93 Difference]: Finished difference Result 269 states and 294 transitions. [2018-04-13 11:38:56,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-13 11:38:56,376 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 46 [2018-04-13 11:38:56,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:38:56,377 INFO L225 Difference]: With dead ends: 269 [2018-04-13 11:38:56,377 INFO L226 Difference]: Without dead ends: 269 [2018-04-13 11:38:56,377 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=244, Invalid=748, Unknown=0, NotChecked=0, Total=992 [2018-04-13 11:38:56,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2018-04-13 11:38:56,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 232. [2018-04-13 11:38:56,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2018-04-13 11:38:56,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 268 transitions. [2018-04-13 11:38:56,385 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 268 transitions. Word has length 46 [2018-04-13 11:38:56,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:38:56,385 INFO L459 AbstractCegarLoop]: Abstraction has 232 states and 268 transitions. [2018-04-13 11:38:56,385 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-13 11:38:56,385 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 268 transitions. [2018-04-13 11:38:56,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-04-13 11:38:56,386 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:38:56,386 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:38:56,386 INFO L408 AbstractCegarLoop]: === Iteration 34 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:38:56,386 INFO L82 PathProgramCache]: Analyzing trace with hash -1731005510, now seen corresponding path program 1 times [2018-04-13 11:38:56,387 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:38:56,387 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:38:56,387 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:56,387 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:56,388 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:56,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:56,395 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:38:56,399 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:38:56,399 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:38:56,399 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:38:56,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:56,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:56,415 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:38:56,443 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:56,444 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:56,444 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:56,445 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:56,449 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:56,449 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2018-04-13 11:38:56,473 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 38 [2018-04-13 11:38:56,475 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2018-04-13 11:38:56,475 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:56,493 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:56,498 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:38:56,499 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:37, output treesize:33 [2018-04-13 11:38:56,557 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 46 treesize of output 67 [2018-04-13 11:38:56,561 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 50 [2018-04-13 11:38:56,561 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:56,602 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:56,607 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-13 11:38:56,607 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:49, output treesize:38 [2018-04-13 11:38:56,640 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 31 [2018-04-13 11:38:56,642 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2018-04-13 11:38:56,642 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:56,649 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 11 [2018-04-13 11:38:56,650 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:56,657 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:56,657 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2018-04-13 11:38:56,657 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:56,662 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:56,663 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:56,663 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:31, output treesize:3 [2018-04-13 11:38:56,684 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:38:56,684 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:38:56,684 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-13 11:38:56,684 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-13 11:38:56,684 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-13 11:38:56,684 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2018-04-13 11:38:56,685 INFO L87 Difference]: Start difference. First operand 232 states and 268 transitions. Second operand 15 states. [2018-04-13 11:38:57,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:38:57,124 INFO L93 Difference]: Finished difference Result 271 states and 296 transitions. [2018-04-13 11:38:57,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-04-13 11:38:57,124 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 46 [2018-04-13 11:38:57,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:38:57,125 INFO L225 Difference]: With dead ends: 271 [2018-04-13 11:38:57,125 INFO L226 Difference]: Without dead ends: 271 [2018-04-13 11:38:57,125 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=276, Invalid=846, Unknown=0, NotChecked=0, Total=1122 [2018-04-13 11:38:57,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2018-04-13 11:38:57,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 231. [2018-04-13 11:38:57,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2018-04-13 11:38:57,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 266 transitions. [2018-04-13 11:38:57,129 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 266 transitions. Word has length 46 [2018-04-13 11:38:57,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:38:57,129 INFO L459 AbstractCegarLoop]: Abstraction has 231 states and 266 transitions. [2018-04-13 11:38:57,129 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-13 11:38:57,129 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 266 transitions. [2018-04-13 11:38:57,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-04-13 11:38:57,129 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:38:57,130 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:38:57,130 INFO L408 AbstractCegarLoop]: === Iteration 35 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:38:57,130 INFO L82 PathProgramCache]: Analyzing trace with hash -446623831, now seen corresponding path program 1 times [2018-04-13 11:38:57,130 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:38:57,130 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:38:57,131 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:57,131 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:57,131 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:57,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:57,137 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:38:57,142 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:38:57,143 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:38:57,143 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:38:57,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:57,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:57,162 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:38:57,175 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:57,177 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:57,177 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:57,178 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:57,187 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:57,188 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:57,188 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:57,190 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:57,194 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:57,194 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:29, output treesize:18 [2018-04-13 11:38:57,204 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 11:38:57,207 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:57,208 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 11:38:57,208 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:57,213 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:57,223 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 11:38:57,225 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:57,226 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 11:38:57,226 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:57,230 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:57,237 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:57,237 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:44, output treesize:36 [2018-04-13 11:38:57,340 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 49 [2018-04-13 11:38:57,344 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 44 [2018-04-13 11:38:57,344 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:57,350 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:57,358 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2018-04-13 11:38:57,360 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2018-04-13 11:38:57,361 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:57,365 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:57,369 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:57,370 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:77, output treesize:14 [2018-04-13 11:38:57,394 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-04-13 11:38:57,395 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2018-04-13 11:38:57,396 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:57,397 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:57,397 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:57,398 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:4 [2018-04-13 11:38:57,415 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-13 11:38:57,415 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:38:57,415 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-04-13 11:38:57,415 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-13 11:38:57,416 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-13 11:38:57,416 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=123, Unknown=4, NotChecked=0, Total=156 [2018-04-13 11:38:57,416 INFO L87 Difference]: Start difference. First operand 231 states and 266 transitions. Second operand 13 states. [2018-04-13 11:38:57,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:38:57,785 INFO L93 Difference]: Finished difference Result 248 states and 278 transitions. [2018-04-13 11:38:57,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-13 11:38:57,785 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 47 [2018-04-13 11:38:57,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:38:57,786 INFO L225 Difference]: With dead ends: 248 [2018-04-13 11:38:57,786 INFO L226 Difference]: Without dead ends: 241 [2018-04-13 11:38:57,786 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=133, Invalid=361, Unknown=12, NotChecked=0, Total=506 [2018-04-13 11:38:57,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2018-04-13 11:38:57,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 224. [2018-04-13 11:38:57,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2018-04-13 11:38:57,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 257 transitions. [2018-04-13 11:38:57,788 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 257 transitions. Word has length 47 [2018-04-13 11:38:57,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:38:57,789 INFO L459 AbstractCegarLoop]: Abstraction has 224 states and 257 transitions. [2018-04-13 11:38:57,789 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-13 11:38:57,789 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 257 transitions. [2018-04-13 11:38:57,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-04-13 11:38:57,789 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:38:57,789 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:38:57,790 INFO L408 AbstractCegarLoop]: === Iteration 36 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:38:57,790 INFO L82 PathProgramCache]: Analyzing trace with hash -517402336, now seen corresponding path program 1 times [2018-04-13 11:38:57,790 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:38:57,790 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:38:57,791 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:57,791 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:57,791 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:57,797 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:38:57,822 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-04-13 11:38:57,822 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 11:38:57,822 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-13 11:38:57,822 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-13 11:38:57,822 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-13 11:38:57,823 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-13 11:38:57,823 INFO L87 Difference]: Start difference. First operand 224 states and 257 transitions. Second operand 5 states. [2018-04-13 11:38:57,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:38:57,878 INFO L93 Difference]: Finished difference Result 225 states and 256 transitions. [2018-04-13 11:38:57,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-13 11:38:57,878 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2018-04-13 11:38:57,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:38:57,879 INFO L225 Difference]: With dead ends: 225 [2018-04-13 11:38:57,879 INFO L226 Difference]: Without dead ends: 225 [2018-04-13 11:38:57,879 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-13 11:38:57,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2018-04-13 11:38:57,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 223. [2018-04-13 11:38:57,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-04-13 11:38:57,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 254 transitions. [2018-04-13 11:38:57,881 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 254 transitions. Word has length 47 [2018-04-13 11:38:57,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:38:57,882 INFO L459 AbstractCegarLoop]: Abstraction has 223 states and 254 transitions. [2018-04-13 11:38:57,882 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-13 11:38:57,882 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 254 transitions. [2018-04-13 11:38:57,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-04-13 11:38:57,882 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:38:57,882 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:38:57,883 INFO L408 AbstractCegarLoop]: === Iteration 37 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:38:57,883 INFO L82 PathProgramCache]: Analyzing trace with hash -517402335, now seen corresponding path program 1 times [2018-04-13 11:38:57,883 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:38:57,883 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:38:57,883 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:57,884 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:57,884 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:57,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:57,889 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:38:57,893 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:38:57,894 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:38:57,894 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:38:57,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:57,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:57,920 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:38:57,928 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:38:57,928 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:57,931 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:57,931 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 11:38:57,944 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:57,946 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:57,946 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:57,948 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:57,958 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:57,960 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:57,960 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:57,962 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:57,969 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:57,969 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:34, output treesize:26 [2018-04-13 11:38:57,980 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 11:38:57,982 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:57,983 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 11:38:57,983 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:57,987 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:57,995 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 11:38:57,997 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:57,997 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:38:57,997 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 30 [2018-04-13 11:38:57,997 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:58,000 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:58,006 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:58,006 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:52, output treesize:44 [2018-04-13 11:38:58,112 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2018-04-13 11:38:58,113 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:58,114 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:38:58,115 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2018-04-13 11:38:58,115 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:58,118 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:58,127 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2018-04-13 11:38:58,128 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:58,129 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:58,129 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:38:58,129 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2018-04-13 11:38:58,129 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:58,138 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:58,143 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:58,144 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:76, output treesize:9 [2018-04-13 11:38:58,162 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-04-13 11:38:58,162 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:38:58,162 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-04-13 11:38:58,163 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-13 11:38:58,163 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-13 11:38:58,163 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=96, Unknown=9, NotChecked=0, Total=132 [2018-04-13 11:38:58,163 INFO L87 Difference]: Start difference. First operand 223 states and 254 transitions. Second operand 12 states. [2018-04-13 11:38:58,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:38:58,646 INFO L93 Difference]: Finished difference Result 235 states and 262 transitions. [2018-04-13 11:38:58,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-13 11:38:58,647 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 47 [2018-04-13 11:38:58,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:38:58,647 INFO L225 Difference]: With dead ends: 235 [2018-04-13 11:38:58,647 INFO L226 Difference]: Without dead ends: 235 [2018-04-13 11:38:58,648 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 34 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=125, Invalid=276, Unknown=19, NotChecked=0, Total=420 [2018-04-13 11:38:58,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2018-04-13 11:38:58,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 223. [2018-04-13 11:38:58,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-04-13 11:38:58,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 253 transitions. [2018-04-13 11:38:58,649 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 253 transitions. Word has length 47 [2018-04-13 11:38:58,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:38:58,650 INFO L459 AbstractCegarLoop]: Abstraction has 223 states and 253 transitions. [2018-04-13 11:38:58,650 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-13 11:38:58,650 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 253 transitions. [2018-04-13 11:38:58,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-04-13 11:38:58,650 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:38:58,650 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:38:58,650 INFO L408 AbstractCegarLoop]: === Iteration 38 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:38:58,651 INFO L82 PathProgramCache]: Analyzing trace with hash -1963055970, now seen corresponding path program 1 times [2018-04-13 11:38:58,651 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:38:58,651 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:38:58,651 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:58,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:58,652 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:38:58,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:58,657 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:38:58,660 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:38:58,661 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:38:58,661 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:38:58,661 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:38:58,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:38:58,690 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:38:58,692 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:38:58,692 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:58,695 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:58,695 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 11:38:58,730 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:58,730 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-13 11:38:58,731 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:58,743 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:58,744 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:58,744 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 12 [2018-04-13 11:38:58,744 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:58,753 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:58,753 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:34, output treesize:27 [2018-04-13 11:38:58,769 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-13 11:38:58,769 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:58,792 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:58,794 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:58,794 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:58,796 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:58,809 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:38:58,811 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:38:58,811 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:58,813 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:58,822 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:58,823 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:51, output treesize:39 [2018-04-13 11:38:58,870 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-13 11:38:58,872 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:38:58,872 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:58,877 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:58,896 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 56 [2018-04-13 11:38:58,898 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:38:58,899 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:58,906 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:58,918 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:38:58,919 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:81, output treesize:65 [2018-04-13 11:38:59,005 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 45 [2018-04-13 11:38:59,009 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 29 [2018-04-13 11:38:59,009 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:59,018 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:59,046 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:59,047 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 81 [2018-04-13 11:38:59,051 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 29 [2018-04-13 11:38:59,051 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:59,066 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:59,083 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:38:59,084 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:98, output treesize:91 [2018-04-13 11:38:59,310 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:38:59,311 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 67 [2018-04-13 11:38:59,317 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2018-04-13 11:38:59,318 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:38:59,329 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 32 [2018-04-13 11:38:59,330 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:38:59,337 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:38:59,349 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2018-04-13 11:38:59,351 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-04-13 11:38:59,351 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:59,356 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-04-13 11:38:59,356 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:38:59,357 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:38:59,363 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:38:59,364 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:90, output treesize:18 [2018-04-13 11:38:59,395 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:38:59,395 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:38:59,395 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-04-13 11:38:59,396 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-13 11:38:59,396 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-13 11:38:59,396 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2018-04-13 11:38:59,396 INFO L87 Difference]: Start difference. First operand 223 states and 253 transitions. Second operand 18 states. [2018-04-13 11:39:00,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:39:00,276 INFO L93 Difference]: Finished difference Result 259 states and 279 transitions. [2018-04-13 11:39:00,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-13 11:39:00,276 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 48 [2018-04-13 11:39:00,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:39:00,277 INFO L225 Difference]: With dead ends: 259 [2018-04-13 11:39:00,277 INFO L226 Difference]: Without dead ends: 259 [2018-04-13 11:39:00,277 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=245, Invalid=945, Unknown=0, NotChecked=0, Total=1190 [2018-04-13 11:39:00,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2018-04-13 11:39:00,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 225. [2018-04-13 11:39:00,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2018-04-13 11:39:00,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 255 transitions. [2018-04-13 11:39:00,279 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 255 transitions. Word has length 48 [2018-04-13 11:39:00,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:39:00,279 INFO L459 AbstractCegarLoop]: Abstraction has 225 states and 255 transitions. [2018-04-13 11:39:00,279 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-13 11:39:00,279 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 255 transitions. [2018-04-13 11:39:00,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-04-13 11:39:00,280 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:39:00,280 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:39:00,280 INFO L408 AbstractCegarLoop]: === Iteration 39 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:39:00,280 INFO L82 PathProgramCache]: Analyzing trace with hash -625460841, now seen corresponding path program 1 times [2018-04-13 11:39:00,280 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:39:00,280 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:39:00,281 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:39:00,281 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:39:00,281 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:39:00,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:39:00,285 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:39:00,288 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:39:00,288 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:39:00,288 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:39:00,289 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:39:00,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:39:00,301 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:39:00,304 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:39:00,305 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:00,307 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:00,307 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 11:39:00,324 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:39:00,325 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:39:00,325 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:00,326 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:00,333 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:39:00,334 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:39:00,334 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:00,335 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:00,340 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:00,340 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:34, output treesize:26 [2018-04-13 11:39:00,361 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 11:39:00,363 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:00,364 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 11:39:00,365 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:00,370 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:00,384 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 11:39:00,386 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:00,386 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:39:00,387 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 30 [2018-04-13 11:39:00,387 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:00,392 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:00,402 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:00,402 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:52, output treesize:44 [2018-04-13 11:39:00,516 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2018-04-13 11:39:00,518 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:00,519 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:00,519 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:39:00,521 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2018-04-13 11:39:00,521 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:00,525 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:00,533 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2018-04-13 11:39:00,535 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:00,535 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:00,535 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:39:00,535 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2018-04-13 11:39:00,536 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:00,540 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:00,547 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:00,547 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:76, output treesize:12 [2018-04-13 11:39:00,583 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 5 refuted. 2 times theorem prover too weak. 8 trivial. 0 not checked. [2018-04-13 11:39:00,583 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:39:00,583 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-04-13 11:39:00,583 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-13 11:39:00,583 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-13 11:39:00,583 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=135, Unknown=11, NotChecked=0, Total=182 [2018-04-13 11:39:00,583 INFO L87 Difference]: Start difference. First operand 225 states and 255 transitions. Second operand 14 states. [2018-04-13 11:39:01,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:39:01,097 INFO L93 Difference]: Finished difference Result 234 states and 261 transitions. [2018-04-13 11:39:01,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-13 11:39:01,098 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 50 [2018-04-13 11:39:01,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:39:01,098 INFO L225 Difference]: With dead ends: 234 [2018-04-13 11:39:01,098 INFO L226 Difference]: Without dead ends: 234 [2018-04-13 11:39:01,098 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 35 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=138, Invalid=351, Unknown=17, NotChecked=0, Total=506 [2018-04-13 11:39:01,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2018-04-13 11:39:01,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 223. [2018-04-13 11:39:01,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-04-13 11:39:01,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 251 transitions. [2018-04-13 11:39:01,100 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 251 transitions. Word has length 50 [2018-04-13 11:39:01,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:39:01,100 INFO L459 AbstractCegarLoop]: Abstraction has 223 states and 251 transitions. [2018-04-13 11:39:01,100 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-13 11:39:01,100 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 251 transitions. [2018-04-13 11:39:01,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-04-13 11:39:01,100 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:39:01,101 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:39:01,101 INFO L408 AbstractCegarLoop]: === Iteration 40 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:39:01,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1206828682, now seen corresponding path program 1 times [2018-04-13 11:39:01,101 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:39:01,101 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:39:01,101 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:39:01,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:39:01,101 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:39:01,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:39:01,106 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:39:01,109 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:39:01,109 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:39:01,109 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:39:01,110 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:39:01,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:39:01,128 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:39:01,161 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:01,161 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:01,162 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 12 [2018-04-13 11:39:01,162 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:01,166 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:01,166 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:17 [2018-04-13 11:39:01,174 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-13 11:39:01,174 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:01,181 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:39:01,182 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:39:01,182 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:01,182 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:01,187 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:01,188 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:33, output treesize:21 [2018-04-13 11:39:01,207 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 34 [2018-04-13 11:39:01,208 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:39:01,208 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:01,211 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:01,216 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:01,216 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:42, output treesize:34 [2018-04-13 11:39:01,255 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:01,258 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 24 [2018-04-13 11:39:01,259 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-13 11:39:01,259 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:01,263 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:01,277 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 46 [2018-04-13 11:39:01,279 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 21 [2018-04-13 11:39:01,279 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:01,284 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:01,292 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:01,292 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:67, output treesize:67 [2018-04-13 11:39:03,312 WARN L148 SmtUtils]: Spent 2009ms on a formula simplification that was a NOOP. DAG size: 33 [2018-04-13 11:39:03,318 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 18 [2018-04-13 11:39:03,319 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2018-04-13 11:39:03,319 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:03,320 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:03,327 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:03,328 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:90, output treesize:79 [2018-04-13 11:39:05,347 WARN L148 SmtUtils]: Spent 2008ms on a formula simplification that was a NOOP. DAG size: 33 [2018-04-13 11:39:05,349 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 56 [2018-04-13 11:39:05,351 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 1 [2018-04-13 11:39:05,351 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:05,355 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 29 [2018-04-13 11:39:05,356 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:05,358 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:05,363 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:05,363 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:93, output treesize:46 [2018-04-13 11:39:05,402 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2018-04-13 11:39:05,403 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2018-04-13 11:39:05,403 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:05,404 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:05,408 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:05,409 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:52, output treesize:29 [2018-04-13 11:39:05,432 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:39:05,432 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:39:05,433 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-04-13 11:39:05,433 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-13 11:39:05,433 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-13 11:39:05,433 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2018-04-13 11:39:05,433 INFO L87 Difference]: Start difference. First operand 223 states and 251 transitions. Second operand 17 states. [2018-04-13 11:39:07,689 WARN L148 SmtUtils]: Spent 2012ms on a formula simplification that was a NOOP. DAG size: 38 [2018-04-13 11:39:11,745 WARN L151 SmtUtils]: Spent 4035ms on a formula simplification. DAG size of input: 59 DAG size of output 45 [2018-04-13 11:39:15,848 WARN L151 SmtUtils]: Spent 4041ms on a formula simplification. DAG size of input: 70 DAG size of output 56 [2018-04-13 11:39:17,885 WARN L148 SmtUtils]: Spent 2015ms on a formula simplification that was a NOOP. DAG size: 49 [2018-04-13 11:39:21,947 WARN L151 SmtUtils]: Spent 4033ms on a formula simplification. DAG size of input: 53 DAG size of output 51 [2018-04-13 11:39:24,011 WARN L148 SmtUtils]: Spent 2010ms on a formula simplification that was a NOOP. DAG size: 38 [2018-04-13 11:39:26,140 WARN L148 SmtUtils]: Spent 2010ms on a formula simplification that was a NOOP. DAG size: 35 [2018-04-13 11:39:26,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:39:26,158 INFO L93 Difference]: Finished difference Result 251 states and 269 transitions. [2018-04-13 11:39:26,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-13 11:39:26,159 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 50 [2018-04-13 11:39:26,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:39:26,159 INFO L225 Difference]: With dead ends: 251 [2018-04-13 11:39:26,159 INFO L226 Difference]: Without dead ends: 251 [2018-04-13 11:39:26,160 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 24.5s TimeCoverageRelationStatistics Valid=240, Invalid=882, Unknown=0, NotChecked=0, Total=1122 [2018-04-13 11:39:26,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2018-04-13 11:39:26,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 223. [2018-04-13 11:39:26,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-04-13 11:39:26,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 250 transitions. [2018-04-13 11:39:26,162 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 250 transitions. Word has length 50 [2018-04-13 11:39:26,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:39:26,162 INFO L459 AbstractCegarLoop]: Abstraction has 223 states and 250 transitions. [2018-04-13 11:39:26,162 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-13 11:39:26,162 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 250 transitions. [2018-04-13 11:39:26,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-04-13 11:39:26,163 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:39:26,163 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:39:26,163 INFO L408 AbstractCegarLoop]: === Iteration 41 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:39:26,163 INFO L82 PathProgramCache]: Analyzing trace with hash 1839143161, now seen corresponding path program 1 times [2018-04-13 11:39:26,163 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:39:26,163 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:39:26,164 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:39:26,164 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:39:26,164 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:39:26,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:39:26,170 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:39:26,196 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-13 11:39:26,196 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 11:39:26,197 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-13 11:39:26,197 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-13 11:39:26,197 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-13 11:39:26,197 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-13 11:39:26,197 INFO L87 Difference]: Start difference. First operand 223 states and 250 transitions. Second operand 6 states. [2018-04-13 11:39:26,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:39:26,279 INFO L93 Difference]: Finished difference Result 226 states and 252 transitions. [2018-04-13 11:39:26,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-13 11:39:26,279 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 51 [2018-04-13 11:39:26,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:39:26,279 INFO L225 Difference]: With dead ends: 226 [2018-04-13 11:39:26,280 INFO L226 Difference]: Without dead ends: 226 [2018-04-13 11:39:26,280 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-04-13 11:39:26,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2018-04-13 11:39:26,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 225. [2018-04-13 11:39:26,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2018-04-13 11:39:26,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 252 transitions. [2018-04-13 11:39:26,281 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 252 transitions. Word has length 51 [2018-04-13 11:39:26,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:39:26,281 INFO L459 AbstractCegarLoop]: Abstraction has 225 states and 252 transitions. [2018-04-13 11:39:26,281 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-13 11:39:26,282 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 252 transitions. [2018-04-13 11:39:26,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-04-13 11:39:26,282 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:39:26,282 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:39:26,282 INFO L408 AbstractCegarLoop]: === Iteration 42 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:39:26,282 INFO L82 PathProgramCache]: Analyzing trace with hash 1839143162, now seen corresponding path program 1 times [2018-04-13 11:39:26,282 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:39:26,282 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:39:26,283 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:39:26,283 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:39:26,283 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:39:26,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:39:26,290 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:39:26,293 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:39:26,293 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:39:26,293 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:39:26,294 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:39:26,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:39:26,321 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:39:26,324 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:39:26,324 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:26,327 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:26,327 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 11:39:26,350 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:26,351 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:26,351 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 12 [2018-04-13 11:39:26,352 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:26,359 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-13 11:39:26,360 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:26,366 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:26,366 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:34, output treesize:27 [2018-04-13 11:39:26,379 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-13 11:39:26,379 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:26,392 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:39:26,394 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:39:26,394 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:26,395 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:26,406 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:39:26,407 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:39:26,407 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:26,408 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:26,415 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:26,415 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:51, output treesize:39 [2018-04-13 11:39:26,441 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 64 [2018-04-13 11:39:26,442 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:39:26,442 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:26,448 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:26,461 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-13 11:39:26,462 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:39:26,463 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:26,466 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:26,475 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:26,475 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:81, output treesize:65 [2018-04-13 11:39:26,536 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:26,537 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 93 [2018-04-13 11:39:26,540 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 41 [2018-04-13 11:39:26,541 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:26,548 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:26,560 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:26,562 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 54 [2018-04-13 11:39:26,564 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 36 [2018-04-13 11:39:26,564 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:26,570 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:26,578 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:26,578 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:112, output treesize:93 [2018-04-13 11:39:26,670 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:26,670 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:26,671 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 67 [2018-04-13 11:39:26,675 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2018-04-13 11:39:26,676 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:39:26,683 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 32 [2018-04-13 11:39:26,684 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:26,688 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:26,695 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2018-04-13 11:39:26,697 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-04-13 11:39:26,697 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:26,714 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-04-13 11:39:26,715 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:26,715 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:26,719 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:26,719 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:94, output treesize:18 [2018-04-13 11:39:26,756 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:39:26,756 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:39:26,756 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-04-13 11:39:26,756 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-13 11:39:26,756 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-13 11:39:26,756 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=252, Unknown=1, NotChecked=0, Total=306 [2018-04-13 11:39:26,757 INFO L87 Difference]: Start difference. First operand 225 states and 252 transitions. Second operand 18 states. [2018-04-13 11:39:27,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:39:27,735 INFO L93 Difference]: Finished difference Result 289 states and 309 transitions. [2018-04-13 11:39:27,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-04-13 11:39:27,736 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 51 [2018-04-13 11:39:27,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:39:27,736 INFO L225 Difference]: With dead ends: 289 [2018-04-13 11:39:27,737 INFO L226 Difference]: Without dead ends: 289 [2018-04-13 11:39:27,737 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=293, Invalid=1035, Unknown=4, NotChecked=0, Total=1332 [2018-04-13 11:39:27,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2018-04-13 11:39:27,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 239. [2018-04-13 11:39:27,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2018-04-13 11:39:27,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 270 transitions. [2018-04-13 11:39:27,739 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 270 transitions. Word has length 51 [2018-04-13 11:39:27,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:39:27,739 INFO L459 AbstractCegarLoop]: Abstraction has 239 states and 270 transitions. [2018-04-13 11:39:27,739 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-13 11:39:27,739 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 270 transitions. [2018-04-13 11:39:27,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-04-13 11:39:27,739 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:39:27,739 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:39:27,740 INFO L408 AbstractCegarLoop]: === Iteration 43 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:39:27,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1321619612, now seen corresponding path program 1 times [2018-04-13 11:39:27,740 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:39:27,740 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:39:27,740 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:39:27,740 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:39:27,740 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:39:27,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:39:27,746 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:39:27,760 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:39:27,760 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 11:39:27,760 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-13 11:39:27,761 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-13 11:39:27,761 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-13 11:39:27,761 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-13 11:39:27,761 INFO L87 Difference]: Start difference. First operand 239 states and 270 transitions. Second operand 3 states. [2018-04-13 11:39:27,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:39:27,772 INFO L93 Difference]: Finished difference Result 375 states and 427 transitions. [2018-04-13 11:39:27,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-13 11:39:27,772 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-04-13 11:39:27,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:39:27,773 INFO L225 Difference]: With dead ends: 375 [2018-04-13 11:39:27,773 INFO L226 Difference]: Without dead ends: 375 [2018-04-13 11:39:27,774 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-13 11:39:27,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2018-04-13 11:39:27,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 258. [2018-04-13 11:39:27,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2018-04-13 11:39:27,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 291 transitions. [2018-04-13 11:39:27,777 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 291 transitions. Word has length 52 [2018-04-13 11:39:27,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:39:27,777 INFO L459 AbstractCegarLoop]: Abstraction has 258 states and 291 transitions. [2018-04-13 11:39:27,777 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-13 11:39:27,778 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 291 transitions. [2018-04-13 11:39:27,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-04-13 11:39:27,778 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:39:27,778 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:39:27,778 INFO L408 AbstractCegarLoop]: === Iteration 44 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:39:27,779 INFO L82 PathProgramCache]: Analyzing trace with hash -432880928, now seen corresponding path program 1 times [2018-04-13 11:39:27,779 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:39:27,779 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:39:27,779 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:39:27,779 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:39:27,780 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:39:27,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:39:27,787 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:39:27,789 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:39:27,790 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:39:27,790 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:39:27,790 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:39:27,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:39:27,823 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:39:27,854 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:27,855 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:27,855 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2018-04-13 11:39:27,856 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:27,861 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:27,861 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:17 [2018-04-13 11:39:27,874 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:39:27,876 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:39:27,876 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:27,878 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:27,896 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:39:27,897 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:39:27,897 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:27,899 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:27,906 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:27,906 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:36, output treesize:25 [2018-04-13 11:39:27,933 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 55 [2018-04-13 11:39:27,934 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:39:27,934 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:27,940 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:27,953 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-13 11:39:27,954 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:39:27,954 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:27,958 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:27,966 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:27,966 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:67, output treesize:51 [2018-04-13 11:39:28,015 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 42 [2018-04-13 11:39:28,018 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 25 [2018-04-13 11:39:28,018 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:28,023 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:28,036 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:28,037 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 64 [2018-04-13 11:39:28,040 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 37 [2018-04-13 11:39:28,040 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:28,047 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:28,058 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:28,058 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:93, output treesize:81 [2018-04-13 11:39:28,238 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:28,239 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:28,239 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 61 [2018-04-13 11:39:28,244 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 48 [2018-04-13 11:39:28,244 INFO L267 ElimStorePlain]: Start of recursive call 3: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-13 11:39:28,260 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:39:28,263 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 50 [2018-04-13 11:39:28,264 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-13 11:39:28,265 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:39:28,266 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 38 [2018-04-13 11:39:28,266 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:28,297 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-13 11:39:28,316 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 44 [2018-04-13 11:39:28,318 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2018-04-13 11:39:28,318 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:28,325 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:39:28,326 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2018-04-13 11:39:28,326 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:28,334 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:28,335 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 44 [2018-04-13 11:39:28,337 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2018-04-13 11:39:28,337 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:28,344 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:39:28,344 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2018-04-13 11:39:28,344 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:28,352 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:28,373 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:28,373 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 5 variables, input treesize:109, output treesize:11 [2018-04-13 11:39:28,408 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-04-13 11:39:28,413 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 10 [2018-04-13 11:39:28,413 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 11:39:28,416 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:39:28,419 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:39:28,420 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:20, output treesize:18 [2018-04-13 11:39:28,465 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:39:28,465 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:39:28,465 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-04-13 11:39:28,466 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-13 11:39:28,466 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-13 11:39:28,466 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=443, Unknown=3, NotChecked=0, Total=506 [2018-04-13 11:39:28,466 INFO L87 Difference]: Start difference. First operand 258 states and 291 transitions. Second operand 23 states. [2018-04-13 11:39:29,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:39:29,796 INFO L93 Difference]: Finished difference Result 291 states and 316 transitions. [2018-04-13 11:39:29,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-13 11:39:29,796 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 55 [2018-04-13 11:39:29,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:39:29,797 INFO L225 Difference]: With dead ends: 291 [2018-04-13 11:39:29,797 INFO L226 Difference]: Without dead ends: 289 [2018-04-13 11:39:29,798 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 440 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=357, Invalid=1795, Unknown=10, NotChecked=0, Total=2162 [2018-04-13 11:39:29,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2018-04-13 11:39:29,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 265. [2018-04-13 11:39:29,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2018-04-13 11:39:29,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 298 transitions. [2018-04-13 11:39:29,799 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 298 transitions. Word has length 55 [2018-04-13 11:39:29,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:39:29,800 INFO L459 AbstractCegarLoop]: Abstraction has 265 states and 298 transitions. [2018-04-13 11:39:29,800 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-13 11:39:29,800 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 298 transitions. [2018-04-13 11:39:29,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-04-13 11:39:29,800 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:39:29,800 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:39:29,800 INFO L408 AbstractCegarLoop]: === Iteration 45 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:39:29,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1071603688, now seen corresponding path program 2 times [2018-04-13 11:39:29,800 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:39:29,800 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:39:29,801 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:39:29,801 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:39:29,801 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:39:29,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:39:29,807 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:39:29,809 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:39:29,809 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:39:29,809 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:39:29,809 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-13 11:39:29,830 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-13 11:39:29,831 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 11:39:29,832 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:39:29,858 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:29,859 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:29,859 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 24 [2018-04-13 11:39:29,859 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:29,867 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:29,867 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:30 [2018-04-13 11:39:29,881 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:39:29,882 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:39:29,882 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:29,884 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:29,896 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:39:29,898 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:39:29,898 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:29,899 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:29,909 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:29,909 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:52, output treesize:42 [2018-04-13 11:39:29,924 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-04-13 11:39:29,925 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-13 11:39:29,926 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:29,927 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:29,936 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:29,936 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:56, output treesize:45 [2018-04-13 11:39:29,954 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 43 [2018-04-13 11:39:29,956 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:39:29,956 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:29,959 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:29,967 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:29,968 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:59, output treesize:51 [2018-04-13 11:39:30,015 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 44 [2018-04-13 11:39:30,017 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2018-04-13 11:39:30,018 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:30,023 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:30,031 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:30,031 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:63, output treesize:51 [2018-04-13 11:39:30,055 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:30,056 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:30,056 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:30,058 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 54 [2018-04-13 11:39:30,058 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:30,074 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:30,074 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:62, output treesize:72 [2018-04-13 11:39:30,102 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:30,103 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 62 [2018-04-13 11:39:30,110 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 32 [2018-04-13 11:39:30,111 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 11:39:30,124 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:39:30,147 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:39:30,147 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:83, output treesize:138 [2018-04-13 11:39:30,235 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 98 [2018-04-13 11:39:30,236 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2018-04-13 11:39:30,237 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:30,247 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:30,281 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 89 [2018-04-13 11:39:30,283 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2018-04-13 11:39:30,283 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:30,293 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:30,318 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2018-04-13 11:39:30,318 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 7 variables, input treesize:226, output treesize:202 [2018-04-13 11:39:30,401 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 105 treesize of output 127 [2018-04-13 11:39:30,401 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-04-13 11:39:30,412 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:30,417 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 115 treesize of output 122 [2018-04-13 11:39:30,418 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 11:39:31,083 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 101 [2018-04-13 11:39:31,083 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:31,635 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 81 treesize of output 83 [2018-04-13 11:39:31,636 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:39:31,995 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:32,354 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 89 treesize of output 83 [2018-04-13 11:39:32,355 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:39:32,530 INFO L267 ElimStorePlain]: Start of recursive call 2: 5 dim-0 vars, 10 dim-1 vars, End of recursive call: 6 dim-0 vars, and 9 xjuncts. [2018-04-13 11:39:32,782 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 118 treesize of output 134 [2018-04-13 11:39:32,782 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-04-13 11:39:32,814 WARN L288 Elim1Store]: Array PQE input equivalent to false [2018-04-13 11:39:32,814 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:33,338 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 100 treesize of output 92 [2018-04-13 11:39:33,339 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:39:34,053 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 84 treesize of output 94 [2018-04-13 11:39:34,053 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:39:35,095 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:35,100 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 116 treesize of output 123 [2018-04-13 11:39:35,101 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 2 xjuncts. [2018-04-13 11:39:35,404 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 114 [2018-04-13 11:39:35,405 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:35,620 INFO L267 ElimStorePlain]: Start of recursive call 8: 11 dim-0 vars, 8 dim-1 vars, End of recursive call: 6 dim-0 vars, and 9 xjuncts. [2018-04-13 11:39:36,104 INFO L267 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 2 dim-2 vars, End of recursive call: 71 dim-0 vars, and 18 xjuncts. [2018-04-13 11:39:36,104 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 11 variables, input treesize:224, output treesize:1750 [2018-04-13 11:39:37,890 WARN L151 SmtUtils]: Spent 1605ms on a formula simplification. DAG size of input: 486 DAG size of output 152 [2018-04-13 11:39:37,966 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 66 [2018-04-13 11:39:37,968 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-13 11:39:37,969 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:37,986 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2018-04-13 11:39:37,986 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:38,000 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 14 [2018-04-13 11:39:38,000 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:38,010 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:38,135 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 66 [2018-04-13 11:39:38,137 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:39:38,137 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:38,148 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 16 [2018-04-13 11:39:38,148 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:38,158 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2018-04-13 11:39:38,158 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:38,167 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:38,265 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 3 case distinctions, treesize of input 149 treesize of output 103 [2018-04-13 11:39:38,269 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 71 [2018-04-13 11:39:38,270 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:38,393 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 62 [2018-04-13 11:39:38,393 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:38,512 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 68 [2018-04-13 11:39:38,513 INFO L267 ElimStorePlain]: Start of recursive call 13: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:38,650 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 67 [2018-04-13 11:39:38,651 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:38,778 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 84 [2018-04-13 11:39:38,778 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:38,917 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 57 [2018-04-13 11:39:38,917 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:39,044 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 80 [2018-04-13 11:39:39,044 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:39,171 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 68 [2018-04-13 11:39:39,172 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:39,294 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 62 [2018-04-13 11:39:39,294 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:39,415 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 66 [2018-04-13 11:39:39,416 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:39,544 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 51 [2018-04-13 11:39:39,544 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:39,673 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 76 [2018-04-13 11:39:39,673 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:39,796 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 61 [2018-04-13 11:39:39,797 INFO L267 ElimStorePlain]: Start of recursive call 23: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:39,926 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 49 [2018-04-13 11:39:39,926 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:40,051 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 53 [2018-04-13 11:39:40,052 INFO L267 ElimStorePlain]: Start of recursive call 25: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:40,171 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 68 [2018-04-13 11:39:40,171 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:40,296 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 68 [2018-04-13 11:39:40,296 INFO L267 ElimStorePlain]: Start of recursive call 27: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:40,430 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 49 [2018-04-13 11:39:40,430 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:40,544 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 49 [2018-04-13 11:39:40,544 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:40,663 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 51 [2018-04-13 11:39:40,664 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:40,771 INFO L267 ElimStorePlain]: Start of recursive call 10: 20 dim-1 vars, End of recursive call: 16 dim-0 vars, and 8 xjuncts. [2018-04-13 11:39:40,991 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 88 [2018-04-13 11:39:40,996 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2018-04-13 11:39:40,996 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:41,011 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 29 [2018-04-13 11:39:41,012 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:41,024 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:39:41,025 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:41,034 INFO L267 ElimStorePlain]: Start of recursive call 31: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:41,261 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 71 [2018-04-13 11:39:41,263 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 22 [2018-04-13 11:39:41,263 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:41,285 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 14 [2018-04-13 11:39:41,285 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:41,297 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-13 11:39:41,297 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:41,307 INFO L267 ElimStorePlain]: Start of recursive call 35: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:41,500 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 69 [2018-04-13 11:39:41,501 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2018-04-13 11:39:41,501 INFO L267 ElimStorePlain]: Start of recursive call 40: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:41,513 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:39:41,513 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:41,523 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-04-13 11:39:41,523 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:41,531 INFO L267 ElimStorePlain]: Start of recursive call 39: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:41,717 INFO L267 ElimStorePlain]: Start of recursive call 1: 29 dim-0 vars, 6 dim-2 vars, End of recursive call: 26 dim-0 vars, and 13 xjuncts. [2018-04-13 11:39:41,718 INFO L202 ElimStorePlain]: Needed 42 recursive calls to eliminate 35 variables, input treesize:623, output treesize:365 [2018-04-13 11:39:41,849 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:39:41,849 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:39:41,849 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-04-13 11:39:41,849 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-13 11:39:41,849 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-13 11:39:41,849 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=298, Unknown=8, NotChecked=0, Total=380 [2018-04-13 11:39:41,850 INFO L87 Difference]: Start difference. First operand 265 states and 298 transitions. Second operand 20 states. [2018-04-13 11:39:42,685 WARN L151 SmtUtils]: Spent 143ms on a formula simplification. DAG size of input: 99 DAG size of output 96 [2018-04-13 11:39:44,333 WARN L151 SmtUtils]: Spent 1425ms on a formula simplification. DAG size of input: 171 DAG size of output 157 [2018-04-13 11:39:46,669 WARN L151 SmtUtils]: Spent 2274ms on a formula simplification. DAG size of input: 180 DAG size of output 160 [2018-04-13 11:39:47,330 WARN L148 SmtUtils]: Spent 522ms on a formula simplification that was a NOOP. DAG size: 155 [2018-04-13 11:39:47,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:39:47,521 INFO L93 Difference]: Finished difference Result 384 states and 425 transitions. [2018-04-13 11:39:47,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-04-13 11:39:47,521 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 56 [2018-04-13 11:39:47,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:39:47,522 INFO L225 Difference]: With dead ends: 384 [2018-04-13 11:39:47,522 INFO L226 Difference]: Without dead ends: 384 [2018-04-13 11:39:47,523 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=318, Invalid=1389, Unknown=15, NotChecked=0, Total=1722 [2018-04-13 11:39:47,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2018-04-13 11:39:47,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 315. [2018-04-13 11:39:47,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2018-04-13 11:39:47,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 353 transitions. [2018-04-13 11:39:47,525 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 353 transitions. Word has length 56 [2018-04-13 11:39:47,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:39:47,525 INFO L459 AbstractCegarLoop]: Abstraction has 315 states and 353 transitions. [2018-04-13 11:39:47,525 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-13 11:39:47,525 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 353 transitions. [2018-04-13 11:39:47,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-04-13 11:39:47,525 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:39:47,525 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:39:47,525 INFO L408 AbstractCegarLoop]: === Iteration 46 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:39:47,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1071603689, now seen corresponding path program 2 times [2018-04-13 11:39:47,525 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:39:47,526 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:39:47,526 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:39:47,526 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-13 11:39:47,526 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:39:47,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:39:47,536 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:39:47,538 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:39:47,538 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:39:47,538 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:39:47,539 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-13 11:39:47,563 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-13 11:39:47,563 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 11:39:47,566 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:39:47,570 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:39:47,571 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:47,573 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:47,574 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 11:39:47,594 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:39:47,594 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:47,602 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:47,603 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:47,604 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 12 [2018-04-13 11:39:47,604 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:47,610 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:47,610 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:25 [2018-04-13 11:39:47,624 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:39:47,625 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:39:47,625 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:47,627 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:47,640 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:39:47,641 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:39:47,642 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:47,643 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:47,653 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:47,654 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:52, output treesize:42 [2018-04-13 11:39:47,694 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 37 [2018-04-13 11:39:47,695 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:39:47,696 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:47,701 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:47,718 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 56 [2018-04-13 11:39:47,719 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:39:47,719 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:47,724 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:47,734 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:47,735 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:91, output treesize:75 [2018-04-13 11:39:47,789 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:47,790 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 66 [2018-04-13 11:39:47,792 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:47,793 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 35 [2018-04-13 11:39:47,793 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:47,804 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:47,826 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 87 [2018-04-13 11:39:47,828 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:47,829 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:39:47,829 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 54 [2018-04-13 11:39:47,829 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:47,839 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:47,855 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:47,856 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:111, output treesize:138 [2018-04-13 11:39:47,885 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:47,886 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:47,886 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 12 [2018-04-13 11:39:47,886 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:47,909 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-04-13 11:39:47,909 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:47,930 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:47,930 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:152, output treesize:145 [2018-04-13 11:39:47,957 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:47,958 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:47,958 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:47,960 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 134 [2018-04-13 11:39:47,964 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:47,978 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 93 treesize of output 124 [2018-04-13 11:39:47,979 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 11:39:48,016 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:48,038 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:48,053 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 91 [2018-04-13 11:39:48,055 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:48,057 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 64 [2018-04-13 11:39:48,057 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:48,066 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:48,084 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:48,084 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:167, output treesize:125 [2018-04-13 11:39:48,141 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:48,157 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 158 treesize of output 155 [2018-04-13 11:39:48,160 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 163 treesize of output 162 [2018-04-13 11:39:48,160 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:48,232 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:48,238 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 129 treesize of output 135 [2018-04-13 11:39:48,239 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:48,296 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:48,342 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-13 11:39:48,396 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:39:48,464 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:48,482 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 157 treesize of output 197 [2018-04-13 11:39:48,486 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:48,487 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:48,487 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:48,490 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:39:48,492 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 171 treesize of output 231 [2018-04-13 11:39:48,492 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:48,569 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 160 treesize of output 159 [2018-04-13 11:39:48,569 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:48,601 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:48,604 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:39:48,608 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 111 [2018-04-13 11:39:48,610 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:48,611 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:39:48,616 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 71 [2018-04-13 11:39:48,616 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:48,633 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:48,677 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 6 dim-0 vars, and 2 xjuncts. [2018-04-13 11:39:48,677 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 5 variables, input treesize:174, output treesize:283 [2018-04-13 11:39:48,849 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:48,850 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:48,851 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:48,851 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:39:48,852 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:39:48,860 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 216 treesize of output 172 [2018-04-13 11:39:48,863 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:48,874 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 143 treesize of output 141 [2018-04-13 11:39:48,875 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 4 xjuncts. [2018-04-13 11:39:48,948 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-13 11:39:49,100 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 139 [2018-04-13 11:39:49,102 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:49,112 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:49,113 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:49,115 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 111 [2018-04-13 11:39:49,115 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:49,144 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:49,148 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 131 [2018-04-13 11:39:49,150 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:49,152 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 76 [2018-04-13 11:39:49,152 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:49,168 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:49,171 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:39:49,172 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 134 [2018-04-13 11:39:49,174 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:49,176 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 82 [2018-04-13 11:39:49,177 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:49,202 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:49,312 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:49,314 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:49,331 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 382 treesize of output 268 [2018-04-13 11:39:49,336 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:49,342 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 397 treesize of output 426 [2018-04-13 11:39:49,342 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2018-04-13 11:39:49,526 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:49,527 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:49,529 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:49,531 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:49,543 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 205 treesize of output 214 [2018-04-13 11:39:49,543 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 4 xjuncts. [2018-04-13 11:39:49,735 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-13 11:39:50,067 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:50,071 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:39:50,073 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 356 treesize of output 333 [2018-04-13 11:39:50,075 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 75 [2018-04-13 11:39:50,075 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:50,099 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:50,103 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:39:50,103 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 146 [2018-04-13 11:39:50,105 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:50,106 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:50,107 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:50,110 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 91 [2018-04-13 11:39:50,110 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:50,134 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:50,137 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:50,153 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 356 treesize of output 339 [2018-04-13 11:39:50,157 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:50,157 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:39:50,157 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 355 treesize of output 415 [2018-04-13 11:39:50,158 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:50,232 INFO L267 ElimStorePlain]: Start of recursive call 17: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:50,237 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 164 treesize of output 133 [2018-04-13 11:39:50,239 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:50,239 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:50,240 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:50,241 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:39:50,243 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 122 [2018-04-13 11:39:50,243 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:50,267 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:50,471 INFO L267 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 4 dim-2 vars, End of recursive call: 21 dim-0 vars, and 7 xjuncts. [2018-04-13 11:39:50,471 INFO L202 ElimStorePlain]: Needed 20 recursive calls to eliminate 12 variables, input treesize:599, output treesize:1415 [2018-04-13 11:39:53,338 WARN L151 SmtUtils]: Spent 2763ms on a formula simplification. DAG size of input: 249 DAG size of output 180 [2018-04-13 11:39:53,389 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 386 treesize of output 381 [2018-04-13 11:39:53,389 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:53,533 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 275 treesize of output 270 [2018-04-13 11:39:53,533 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:53,686 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 398 treesize of output 393 [2018-04-13 11:39:53,686 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:53,832 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 212 treesize of output 207 [2018-04-13 11:39:53,833 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:53,971 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 221 treesize of output 216 [2018-04-13 11:39:53,971 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:54,112 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:54,119 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 381 treesize of output 237 [2018-04-13 11:39:54,123 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:54,124 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:54,125 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:54,131 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:39:54,134 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 212 treesize of output 212 [2018-04-13 11:39:54,134 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-04-13 11:39:54,210 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:39:54,211 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 116 [2018-04-13 11:39:54,211 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:54,266 INFO L267 ElimStorePlain]: Start of recursive call 7: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:54,392 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:54,393 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:54,394 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:54,396 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 393 treesize of output 273 [2018-04-13 11:39:54,398 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:39:54,398 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:54,424 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:39:54,424 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 90 [2018-04-13 11:39:54,425 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:54,446 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 104 [2018-04-13 11:39:54,447 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:54,463 INFO L267 ElimStorePlain]: Start of recursive call 10: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:54,581 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:54,582 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 207 treesize of output 136 [2018-04-13 11:39:54,585 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:54,587 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:54,593 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 112 treesize of output 112 [2018-04-13 11:39:54,594 INFO L267 ElimStorePlain]: Start of recursive call 15: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 11:39:54,621 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:39:54,621 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 77 [2018-04-13 11:39:54,621 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:54,631 INFO L267 ElimStorePlain]: Start of recursive call 14: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:54,726 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 216 treesize of output 147 [2018-04-13 11:39:54,728 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:39:54,728 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 131 [2018-04-13 11:39:54,728 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:54,746 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 164 treesize of output 80 [2018-04-13 11:39:54,746 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:54,756 INFO L267 ElimStorePlain]: Start of recursive call 17: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:54,844 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 82 [2018-04-13 11:39:54,846 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:54,847 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 15 [2018-04-13 11:39:54,847 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:54,861 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2018-04-13 11:39:54,862 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:54,874 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:39:54,874 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2018-04-13 11:39:54,874 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:54,884 INFO L267 ElimStorePlain]: Start of recursive call 20: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:54,963 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 56 [2018-04-13 11:39:54,964 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:39:54,964 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 49 [2018-04-13 11:39:54,965 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:54,974 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:54,974 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 16 [2018-04-13 11:39:54,975 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:54,981 INFO L267 ElimStorePlain]: Start of recursive call 24: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:55,057 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 53 [2018-04-13 11:39:55,058 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:55,059 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 15 [2018-04-13 11:39:55,059 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:55,067 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 7 [2018-04-13 11:39:55,067 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:55,079 INFO L267 ElimStorePlain]: Start of recursive call 27: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:55,172 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:55,173 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:55,178 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 113 treesize of output 88 [2018-04-13 11:39:55,180 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 72 [2018-04-13 11:39:55,180 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:55,211 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 72 [2018-04-13 11:39:55,211 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:55,238 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 61 [2018-04-13 11:39:55,239 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:55,264 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:55,266 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 61 [2018-04-13 11:39:55,266 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:55,292 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 41 [2018-04-13 11:39:55,293 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:55,318 INFO L267 ElimStorePlain]: Start of recursive call 30: 5 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-13 11:39:55,404 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 270 treesize of output 169 [2018-04-13 11:39:55,406 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:39:55,406 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 63 [2018-04-13 11:39:55,406 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:55,423 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:55,424 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 164 treesize of output 114 [2018-04-13 11:39:55,424 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:55,438 INFO L267 ElimStorePlain]: Start of recursive call 36: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:55,506 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 72 [2018-04-13 11:39:55,508 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 40 [2018-04-13 11:39:55,508 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:55,521 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:55,522 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2018-04-13 11:39:55,523 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:55,531 INFO L267 ElimStorePlain]: Start of recursive call 39: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:55,602 INFO L267 ElimStorePlain]: Start of recursive call 1: 20 dim-0 vars, 5 dim-1 vars, 10 dim-2 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2018-04-13 11:39:55,602 INFO L202 ElimStorePlain]: Needed 41 recursive calls to eliminate 35 variables, input treesize:1493, output treesize:63 [2018-04-13 11:39:55,700 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:39:55,700 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:39:55,700 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-04-13 11:39:55,700 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-13 11:39:55,700 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-13 11:39:55,701 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=393, Unknown=0, NotChecked=0, Total=462 [2018-04-13 11:39:55,701 INFO L87 Difference]: Start difference. First operand 315 states and 353 transitions. Second operand 22 states. [2018-04-13 11:39:56,962 WARN L151 SmtUtils]: Spent 101ms on a formula simplification. DAG size of input: 140 DAG size of output 133 [2018-04-13 11:39:57,247 WARN L151 SmtUtils]: Spent 122ms on a formula simplification. DAG size of input: 191 DAG size of output 185 [2018-04-13 11:39:57,708 WARN L151 SmtUtils]: Spent 277ms on a formula simplification. DAG size of input: 197 DAG size of output 191 [2018-04-13 11:39:58,066 WARN L151 SmtUtils]: Spent 250ms on a formula simplification. DAG size of input: 196 DAG size of output 190 [2018-04-13 11:39:58,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:39:58,603 INFO L93 Difference]: Finished difference Result 397 states and 439 transitions. [2018-04-13 11:39:58,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-04-13 11:39:58,604 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 56 [2018-04-13 11:39:58,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:39:58,604 INFO L225 Difference]: With dead ends: 397 [2018-04-13 11:39:58,605 INFO L226 Difference]: Without dead ends: 397 [2018-04-13 11:39:58,605 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 342 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=313, Invalid=1579, Unknown=0, NotChecked=0, Total=1892 [2018-04-13 11:39:58,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2018-04-13 11:39:58,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 324. [2018-04-13 11:39:58,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2018-04-13 11:39:58,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 366 transitions. [2018-04-13 11:39:58,607 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 366 transitions. Word has length 56 [2018-04-13 11:39:58,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:39:58,607 INFO L459 AbstractCegarLoop]: Abstraction has 324 states and 366 transitions. [2018-04-13 11:39:58,607 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-13 11:39:58,607 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 366 transitions. [2018-04-13 11:39:58,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-04-13 11:39:58,608 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:39:58,608 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:39:58,608 INFO L408 AbstractCegarLoop]: === Iteration 47 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:39:58,608 INFO L82 PathProgramCache]: Analyzing trace with hash -1707370776, now seen corresponding path program 1 times [2018-04-13 11:39:58,608 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:39:58,608 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:39:58,608 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:39:58,609 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-13 11:39:58,609 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:39:58,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:39:58,613 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:39:58,615 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:39:58,615 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:39:58,615 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:39:58,616 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:39:58,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:39:58,637 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:39:58,653 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:58,654 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:58,654 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:58,655 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 28 [2018-04-13 11:39:58,656 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:58,662 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:58,663 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2018-04-13 11:39:58,675 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:39:58,677 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:39:58,677 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:58,678 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:58,686 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:39:58,687 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:39:58,687 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:58,689 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:58,696 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:58,696 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:46, output treesize:39 [2018-04-13 11:39:58,723 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-13 11:39:58,725 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:39:58,725 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:58,729 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:58,742 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 56 [2018-04-13 11:39:58,743 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:39:58,743 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:58,750 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:58,759 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:58,759 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:81, output treesize:65 [2018-04-13 11:39:58,817 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 69 [2018-04-13 11:39:58,819 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 36 [2018-04-13 11:39:58,820 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:58,827 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:58,840 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:58,841 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 85 [2018-04-13 11:39:58,844 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 41 [2018-04-13 11:39:58,844 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:58,851 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:58,861 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:58,861 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:112, output treesize:93 [2018-04-13 11:39:58,945 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:58,946 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 44 [2018-04-13 11:39:58,947 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 20 [2018-04-13 11:39:58,947 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:58,953 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:39:58,953 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-13 11:39:58,953 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:58,958 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:58,965 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:58,965 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:96, output treesize:52 [2018-04-13 11:39:59,004 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:59,004 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:39:59,005 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 33 [2018-04-13 11:39:59,007 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:39:59,010 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 27 [2018-04-13 11:39:59,010 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:39:59,018 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-13 11:39:59,018 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:39:59,020 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:39:59,024 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:39:59,024 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:59, output treesize:15 [2018-04-13 11:39:59,053 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:39:59,053 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:39:59,053 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-04-13 11:39:59,053 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-13 11:39:59,053 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-13 11:39:59,054 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2018-04-13 11:39:59,054 INFO L87 Difference]: Start difference. First operand 324 states and 366 transitions. Second operand 19 states. [2018-04-13 11:40:00,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:40:00,189 INFO L93 Difference]: Finished difference Result 350 states and 383 transitions. [2018-04-13 11:40:00,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-13 11:40:00,189 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 59 [2018-04-13 11:40:00,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:40:00,190 INFO L225 Difference]: With dead ends: 350 [2018-04-13 11:40:00,190 INFO L226 Difference]: Without dead ends: 350 [2018-04-13 11:40:00,190 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 275 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=294, Invalid=1188, Unknown=0, NotChecked=0, Total=1482 [2018-04-13 11:40:00,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2018-04-13 11:40:00,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 324. [2018-04-13 11:40:00,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2018-04-13 11:40:00,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 365 transitions. [2018-04-13 11:40:00,193 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 365 transitions. Word has length 59 [2018-04-13 11:40:00,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:40:00,193 INFO L459 AbstractCegarLoop]: Abstraction has 324 states and 365 transitions. [2018-04-13 11:40:00,193 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-13 11:40:00,193 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 365 transitions. [2018-04-13 11:40:00,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-04-13 11:40:00,193 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:40:00,193 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:40:00,193 INFO L408 AbstractCegarLoop]: === Iteration 48 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:40:00,194 INFO L82 PathProgramCache]: Analyzing trace with hash -1707370775, now seen corresponding path program 1 times [2018-04-13 11:40:00,194 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:40:00,194 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:40:00,194 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:40:00,194 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:40:00,194 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:40:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:40:00,200 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:40:00,203 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:40:00,203 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:40:00,203 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:40:00,204 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:40:00,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:40:00,229 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:40:00,251 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:40:00,251 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:40:00,259 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:40:00,260 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:40:00,260 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 12 [2018-04-13 11:40:00,261 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:40:00,266 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:40:00,266 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:22 [2018-04-13 11:40:00,292 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-13 11:40:00,292 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:40:00,309 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:40:00,310 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:40:00,310 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:40:00,312 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:40:00,319 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:40:00,320 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:40:00,320 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 11:40:00,321 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:40:00,326 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:40:00,327 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:46, output treesize:34 [2018-04-13 11:40:00,359 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 64 [2018-04-13 11:40:00,361 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:40:00,361 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:40:00,366 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:40:00,377 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-13 11:40:00,378 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:40:00,378 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:40:00,381 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:40:00,389 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:40:00,389 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:76, output treesize:60 [2018-04-13 11:40:00,440 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:40:00,442 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 93 [2018-04-13 11:40:00,444 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 41 [2018-04-13 11:40:00,444 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:40:00,453 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:40:00,465 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:40:00,467 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 54 [2018-04-13 11:40:00,469 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 36 [2018-04-13 11:40:00,469 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:40:00,475 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:40:00,483 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:40:00,483 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:107, output treesize:88 [2018-04-13 11:40:00,583 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:40:00,583 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:40:00,584 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 76 [2018-04-13 11:40:00,588 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2018-04-13 11:40:00,589 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:40:00,597 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:40:00,597 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2018-04-13 11:40:00,597 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:40:00,603 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:40:00,610 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 29 [2018-04-13 11:40:00,612 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:40:00,612 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2018-04-13 11:40:00,613 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 11:40:00,631 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-04-13 11:40:00,631 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:40:00,634 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:40:00,640 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:40:00,640 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:115, output treesize:9 [2018-04-13 11:40:00,665 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:40:00,665 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:40:00,665 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-04-13 11:40:00,665 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-13 11:40:00,665 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-13 11:40:00,665 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=260, Unknown=1, NotChecked=0, Total=306 [2018-04-13 11:40:00,665 INFO L87 Difference]: Start difference. First operand 324 states and 365 transitions. Second operand 18 states. [2018-04-13 11:40:01,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:40:01,815 INFO L93 Difference]: Finished difference Result 352 states and 384 transitions. [2018-04-13 11:40:01,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-13 11:40:01,816 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 59 [2018-04-13 11:40:01,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:40:01,817 INFO L225 Difference]: With dead ends: 352 [2018-04-13 11:40:01,817 INFO L226 Difference]: Without dead ends: 352 [2018-04-13 11:40:01,817 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=247, Invalid=1009, Unknown=4, NotChecked=0, Total=1260 [2018-04-13 11:40:01,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2018-04-13 11:40:01,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 324. [2018-04-13 11:40:01,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2018-04-13 11:40:01,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 364 transitions. [2018-04-13 11:40:01,820 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 364 transitions. Word has length 59 [2018-04-13 11:40:01,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:40:01,820 INFO L459 AbstractCegarLoop]: Abstraction has 324 states and 364 transitions. [2018-04-13 11:40:01,820 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-13 11:40:01,820 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 364 transitions. [2018-04-13 11:40:01,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-04-13 11:40:01,821 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:40:01,821 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:40:01,821 INFO L408 AbstractCegarLoop]: === Iteration 49 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:40:01,821 INFO L82 PathProgramCache]: Analyzing trace with hash -2146960817, now seen corresponding path program 2 times [2018-04-13 11:40:01,821 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:40:01,821 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:40:01,822 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:40:01,822 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:40:01,822 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:40:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:40:01,833 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:40:01,836 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:40:01,837 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:40:01,837 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:40:01,837 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-13 11:40:01,888 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-13 11:40:01,888 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 11:40:01,892 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:40:01,906 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:40:01,907 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:40:01,910 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:40:01,910 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 11:40:01,939 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:40:01,940 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:40:01,940 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 24 [2018-04-13 11:40:01,941 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:40:01,951 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:40:01,951 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:30 [2018-04-13 11:40:01,970 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:40:01,972 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:40:01,972 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:40:01,973 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:40:01,986 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:40:01,998 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:40:01,998 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:40:01,999 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:40:02,009 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:40:02,009 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:52, output treesize:42 [2018-04-13 11:40:02,044 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 64 [2018-04-13 11:40:02,046 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:40:02,046 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:40:02,082 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:40:02,104 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-13 11:40:02,107 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:40:02,108 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:40:02,113 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:40:02,124 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:40:02,125 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:84, output treesize:68 [2018-04-13 11:40:02,188 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:40:02,189 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 66 [2018-04-13 11:40:02,192 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 29 [2018-04-13 11:40:02,192 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:40:02,200 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:40:02,218 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 74 [2018-04-13 11:40:02,220 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 35 [2018-04-13 11:40:02,220 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:40:02,227 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:40:02,240 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:40:02,241 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:98, output treesize:118 [2018-04-13 11:40:02,284 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:40:02,285 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:40:02,285 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:40:02,286 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 77 [2018-04-13 11:40:02,287 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:40:02,334 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:40:02,334 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:129, output treesize:149 [2018-04-13 11:40:02,365 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:40:02,366 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:40:02,366 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:40:02,367 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 147 [2018-04-13 11:40:02,400 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 7 case distinctions, treesize of input 106 treesize of output 96 [2018-04-13 11:40:02,402 INFO L267 ElimStorePlain]: Start of recursive call 3: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 6 xjuncts. [2018-04-13 11:40:02,449 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:40:02,485 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:40:02,489 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 79 [2018-04-13 11:40:02,492 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-04-13 11:40:02,492 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:40:02,501 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:40:02,503 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:40:02,507 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 110 [2018-04-13 11:40:02,509 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:40:02,510 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 70 [2018-04-13 11:40:02,511 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:40:02,525 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:40:02,554 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:40:02,554 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:171, output treesize:177 [2018-04-13 11:40:02,623 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 37 [2018-04-13 11:40:02,624 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:40:02,624 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:40:02,629 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:40:02,643 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:40:02,644 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:40:02,648 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 96 [2018-04-13 11:40:02,649 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:40:02,649 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:40:02,658 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:40:02,670 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:40:02,671 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:113, output treesize:93 [2018-04-13 11:40:02,767 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 155 [2018-04-13 11:40:02,769 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:40:02,770 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 48 [2018-04-13 11:40:02,770 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:40:02,781 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:40:02,798 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:40:02,801 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:40:02,803 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 163 treesize of output 136 [2018-04-13 11:40:02,806 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:40:02,810 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 59 [2018-04-13 11:40:02,811 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-13 11:40:02,829 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:40:02,860 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-13 11:40:02,860 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:201, output treesize:289 [2018-04-13 11:40:26,947 WARN L148 SmtUtils]: Spent 24054ms on a formula simplification that was a NOOP. DAG size: 55 [2018-04-13 11:40:26,958 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 179 treesize of output 150 [2018-04-13 11:40:26,960 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:40:26,961 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-04-13 11:40:26,961 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:40:26,976 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 81 [2018-04-13 11:40:26,976 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:40:26,986 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:40:27,014 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 124 [2018-04-13 11:40:27,015 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 62 [2018-04-13 11:40:27,016 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 11:40:27,028 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:40:27,028 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:40:27,037 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:40:27,060 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 2 dim-2 vars, End of recursive call: 7 dim-0 vars, and 2 xjuncts. [2018-04-13 11:40:27,061 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 9 variables, input treesize:317, output treesize:198 [2018-04-13 11:40:33,100 WARN L148 SmtUtils]: Spent 6015ms on a formula simplification that was a NOOP. DAG size: 66 [2018-04-13 11:40:39,148 WARN L148 SmtUtils]: Spent 6017ms on a formula simplification that was a NOOP. DAG size: 66 [2018-04-13 11:40:39,161 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:40:39,163 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:40:39,163 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 74 [2018-04-13 11:40:39,168 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 46 [2018-04-13 11:40:39,168 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:40:39,191 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 35 [2018-04-13 11:40:39,191 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:40:39,200 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 20 [2018-04-13 11:40:39,200 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:40:39,208 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:40:39,227 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:40:39,236 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:40:39,237 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 67 [2018-04-13 11:40:39,245 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 30 [2018-04-13 11:40:39,245 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:40:39,257 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2018-04-13 11:40:39,257 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:40:39,265 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:40:39,265 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-13 11:40:39,272 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:40:39,288 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2018-04-13 11:40:39,288 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 9 variables, input treesize:200, output treesize:57 [2018-04-13 11:40:39,343 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:40:39,343 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:40:39,343 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-04-13 11:40:39,343 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-13 11:40:39,343 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-13 11:40:39,344 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=421, Unknown=0, NotChecked=0, Total=506 [2018-04-13 11:40:39,344 INFO L87 Difference]: Start difference. First operand 324 states and 364 transitions. Second operand 23 states. [2018-04-13 11:41:04,231 WARN L148 SmtUtils]: Spent 24076ms on a formula simplification that was a NOOP. DAG size: 61 [2018-04-13 11:41:34,393 WARN L148 SmtUtils]: Spent 30095ms on a formula simplification that was a NOOP. DAG size: 106 [2018-04-13 11:42:04,524 WARN L148 SmtUtils]: Spent 30086ms on a formula simplification that was a NOOP. DAG size: 106 [2018-04-13 11:43:04,830 WARN L151 SmtUtils]: Spent 60185ms on a formula simplification. DAG size of input: 120 DAG size of output 109 [2018-04-13 11:43:53,174 WARN L151 SmtUtils]: Spent 48136ms on a formula simplification. DAG size of input: 78 DAG size of output 64 [2018-04-13 11:43:53,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:43:53,210 INFO L93 Difference]: Finished difference Result 390 states and 431 transitions. [2018-04-13 11:43:53,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-04-13 11:43:53,211 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 60 [2018-04-13 11:43:53,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:43:53,212 INFO L225 Difference]: With dead ends: 390 [2018-04-13 11:43:53,212 INFO L226 Difference]: Without dead ends: 390 [2018-04-13 11:43:53,212 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 437 ImplicationChecksByTransitivity, 229.6s TimeCoverageRelationStatistics Valid=328, Invalid=1742, Unknown=0, NotChecked=0, Total=2070 [2018-04-13 11:43:53,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2018-04-13 11:43:53,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 324. [2018-04-13 11:43:53,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2018-04-13 11:43:53,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 363 transitions. [2018-04-13 11:43:53,214 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 363 transitions. Word has length 60 [2018-04-13 11:43:53,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:43:53,214 INFO L459 AbstractCegarLoop]: Abstraction has 324 states and 363 transitions. [2018-04-13 11:43:53,214 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-13 11:43:53,215 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 363 transitions. [2018-04-13 11:43:53,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-04-13 11:43:53,215 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:43:53,215 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:43:53,215 INFO L408 AbstractCegarLoop]: === Iteration 50 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:43:53,215 INFO L82 PathProgramCache]: Analyzing trace with hash -2146960816, now seen corresponding path program 2 times [2018-04-13 11:43:53,215 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:43:53,215 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:43:53,216 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:43:53,216 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-13 11:43:53,216 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:43:53,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:43:53,224 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:43:53,226 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:43:53,226 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:43:53,226 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:43:53,227 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-13 11:43:53,265 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-13 11:43:53,265 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 11:43:53,267 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:43:53,287 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:43:53,287 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:53,303 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:43:53,303 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:53,307 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:53,307 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-13 11:43:53,327 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:43:53,328 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:43:53,328 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 24 [2018-04-13 11:43:53,329 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:53,340 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-13 11:43:53,340 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:53,348 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:53,348 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:40, output treesize:37 [2018-04-13 11:43:53,360 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:43:53,361 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:43:53,361 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:53,362 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:53,372 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:43:53,373 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:43:53,373 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:53,374 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:53,382 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:53,383 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:56, output treesize:53 [2018-04-13 11:43:53,414 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 37 [2018-04-13 11:43:53,415 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:43:53,416 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:53,420 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:53,436 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 65 [2018-04-13 11:43:53,437 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:43:53,438 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:53,443 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:53,456 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:43:53,456 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:102, output treesize:86 [2018-04-13 11:43:53,479 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2018-04-13 11:43:53,481 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:43:53,481 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:53,485 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2018-04-13 11:43:53,486 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:53,488 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:53,497 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:43:53,497 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:94, output treesize:66 [2018-04-13 11:43:53,533 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:43:53,534 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 62 [2018-04-13 11:43:53,536 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:43:53,537 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 31 [2018-04-13 11:43:53,537 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:53,545 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:53,555 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:43:53,555 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:85, output treesize:61 [2018-04-13 11:43:53,598 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:43:53,598 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:43:53,599 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:43:53,599 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 49 [2018-04-13 11:43:53,599 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:53,617 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 44 [2018-04-13 11:43:53,617 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:53,634 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:43:53,635 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:81, output treesize:94 [2018-04-13 11:43:53,680 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:43:53,681 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:43:53,681 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:43:53,682 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 85 [2018-04-13 11:43:53,686 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:43:53,700 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 56 treesize of output 72 [2018-04-13 11:43:53,702 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 11:43:53,722 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:53,740 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 12 [2018-04-13 11:43:53,742 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-13 11:43:53,742 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:53,743 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:53,758 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:43:53,758 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:118, output treesize:95 [2018-04-13 11:43:53,822 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:43:53,822 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:43:53,828 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 121 [2018-04-13 11:43:53,830 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:43:53,831 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:53,848 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:53,879 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 52 [2018-04-13 11:43:53,881 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:43:53,881 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:53,888 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:53,910 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:43:53,910 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:144, output treesize:132 [2018-04-13 11:43:54,085 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 105 [2018-04-13 11:43:54,087 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:43:54,088 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 55 [2018-04-13 11:43:54,088 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:54,098 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:54,124 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:43:54,125 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:43:54,126 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:43:54,128 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:43:54,129 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 204 treesize of output 211 [2018-04-13 11:43:54,132 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:43:54,133 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:43:54,133 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 113 [2018-04-13 11:43:54,133 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:54,153 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:54,176 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:43:54,177 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:232, output treesize:198 [2018-04-13 11:43:54,228 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:43:54,228 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:43:54,229 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:43:54,229 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 37 [2018-04-13 11:43:54,229 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:54,247 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-13 11:43:54,247 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:202, output treesize:169 [2018-04-13 11:43:54,344 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:43:54,344 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:43:54,345 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:43:54,346 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:43:54,346 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:43:54,347 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 151 [2018-04-13 11:43:54,353 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:43:54,353 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:43:54,370 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 68 treesize of output 103 [2018-04-13 11:43:54,376 INFO L267 ElimStorePlain]: Start of recursive call 3: 24 dim-0 vars, End of recursive call: 24 dim-0 vars, and 15 xjuncts. [2018-04-13 11:43:54,426 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:43:54,426 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:43:54,427 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 19 [2018-04-13 11:43:54,427 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:54,440 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 53 [2018-04-13 11:43:54,440 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:43:54,451 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:43:54,466 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 34 [2018-04-13 11:43:54,467 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:43:54,467 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2018-04-13 11:43:54,468 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:54,473 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:43:54,473 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2018-04-13 11:43:54,473 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:54,476 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:54,485 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:43:54,485 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 6 variables, input treesize:198, output treesize:36 [2018-04-13 11:43:54,535 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:43:54,536 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:43:54,536 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-04-13 11:43:54,536 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-13 11:43:54,536 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-13 11:43:54,536 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=433, Unknown=0, NotChecked=0, Total=506 [2018-04-13 11:43:54,536 INFO L87 Difference]: Start difference. First operand 324 states and 363 transitions. Second operand 23 states. [2018-04-13 11:43:56,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:43:56,598 INFO L93 Difference]: Finished difference Result 395 states and 436 transitions. [2018-04-13 11:43:56,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-04-13 11:43:56,599 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 60 [2018-04-13 11:43:56,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:43:56,599 INFO L225 Difference]: With dead ends: 395 [2018-04-13 11:43:56,599 INFO L226 Difference]: Without dead ends: 395 [2018-04-13 11:43:56,600 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=293, Invalid=1777, Unknown=0, NotChecked=0, Total=2070 [2018-04-13 11:43:56,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2018-04-13 11:43:56,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 324. [2018-04-13 11:43:56,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2018-04-13 11:43:56,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 362 transitions. [2018-04-13 11:43:56,602 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 362 transitions. Word has length 60 [2018-04-13 11:43:56,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:43:56,602 INFO L459 AbstractCegarLoop]: Abstraction has 324 states and 362 transitions. [2018-04-13 11:43:56,602 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-13 11:43:56,602 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 362 transitions. [2018-04-13 11:43:56,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-04-13 11:43:56,603 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:43:56,603 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:43:56,603 INFO L408 AbstractCegarLoop]: === Iteration 51 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:43:56,603 INFO L82 PathProgramCache]: Analyzing trace with hash -2131735529, now seen corresponding path program 2 times [2018-04-13 11:43:56,603 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:43:56,603 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:43:56,604 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:43:56,604 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-13 11:43:56,604 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:43:56,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:43:56,610 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:43:56,653 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-04-13 11:43:56,653 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 11:43:56,653 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-13 11:43:56,653 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-13 11:43:56,654 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-13 11:43:56,654 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-13 11:43:56,654 INFO L87 Difference]: Start difference. First operand 324 states and 362 transitions. Second operand 7 states. [2018-04-13 11:43:56,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:43:56,796 INFO L93 Difference]: Finished difference Result 357 states and 394 transitions. [2018-04-13 11:43:56,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-13 11:43:56,796 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-04-13 11:43:56,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:43:56,797 INFO L225 Difference]: With dead ends: 357 [2018-04-13 11:43:56,797 INFO L226 Difference]: Without dead ends: 357 [2018-04-13 11:43:56,797 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2018-04-13 11:43:56,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2018-04-13 11:43:56,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 321. [2018-04-13 11:43:56,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-04-13 11:43:56,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 357 transitions. [2018-04-13 11:43:56,799 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 357 transitions. Word has length 61 [2018-04-13 11:43:56,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:43:56,799 INFO L459 AbstractCegarLoop]: Abstraction has 321 states and 357 transitions. [2018-04-13 11:43:56,799 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-13 11:43:56,800 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 357 transitions. [2018-04-13 11:43:56,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-04-13 11:43:56,800 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:43:56,800 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:43:56,800 INFO L408 AbstractCegarLoop]: === Iteration 52 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:43:56,800 INFO L82 PathProgramCache]: Analyzing trace with hash -84557769, now seen corresponding path program 1 times [2018-04-13 11:43:56,801 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:43:56,801 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:43:56,801 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:43:56,801 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-13 11:43:56,801 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:43:56,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:43:56,809 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:43:56,814 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:43:56,814 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:43:56,814 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:43:56,815 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:43:56,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:43:56,837 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:43:56,869 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:43:56,870 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:43:56,870 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 12 [2018-04-13 11:43:56,870 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:56,876 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:56,877 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:20 [2018-04-13 11:43:56,887 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-13 11:43:56,887 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:56,898 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:43:56,900 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:43:56,900 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:56,901 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:56,911 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:43:56,912 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:43:56,912 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:56,914 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:56,921 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:56,921 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:44, output treesize:28 [2018-04-13 11:43:56,950 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 55 [2018-04-13 11:43:56,951 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:43:56,951 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:56,970 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:56,983 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-13 11:43:56,984 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:43:56,984 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:56,988 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:56,998 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:43:56,998 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:70, output treesize:54 [2018-04-13 11:43:57,057 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:43:57,057 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 57 [2018-04-13 11:43:57,060 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 29 [2018-04-13 11:43:57,060 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:57,069 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:57,087 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 74 [2018-04-13 11:43:57,090 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 35 [2018-04-13 11:43:57,090 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:57,099 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:57,111 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:43:57,111 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:87, output treesize:104 [2018-04-13 11:43:57,138 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 28 [2018-04-13 11:43:57,139 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2018-04-13 11:43:57,139 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:57,141 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:57,152 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:43:57,152 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:143, output treesize:132 [2018-04-13 11:43:57,248 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:43:57,248 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 94 [2018-04-13 11:43:57,253 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 60 [2018-04-13 11:43:57,254 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:43:57,270 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 45 [2018-04-13 11:43:57,270 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:57,277 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:57,286 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 40 [2018-04-13 11:43:57,287 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 16 [2018-04-13 11:43:57,287 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:57,294 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2018-04-13 11:43:57,294 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:57,296 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:57,308 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:57,308 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:143, output treesize:11 [2018-04-13 11:43:57,333 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-04-13 11:43:57,337 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2018-04-13 11:43:57,338 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 11:43:57,340 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:43:57,343 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:43:57,343 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:20, output treesize:18 [2018-04-13 11:43:57,386 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:43:57,386 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:43:57,387 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-04-13 11:43:57,387 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-13 11:43:57,387 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-13 11:43:57,387 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2018-04-13 11:43:57,387 INFO L87 Difference]: Start difference. First operand 321 states and 357 transitions. Second operand 20 states. [2018-04-13 11:43:58,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:43:58,244 INFO L93 Difference]: Finished difference Result 334 states and 364 transitions. [2018-04-13 11:43:58,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-04-13 11:43:58,244 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 62 [2018-04-13 11:43:58,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:43:58,245 INFO L225 Difference]: With dead ends: 334 [2018-04-13 11:43:58,245 INFO L226 Difference]: Without dead ends: 333 [2018-04-13 11:43:58,245 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 353 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=310, Invalid=1412, Unknown=0, NotChecked=0, Total=1722 [2018-04-13 11:43:58,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2018-04-13 11:43:58,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 315. [2018-04-13 11:43:58,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2018-04-13 11:43:58,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 350 transitions. [2018-04-13 11:43:58,247 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 350 transitions. Word has length 62 [2018-04-13 11:43:58,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:43:58,248 INFO L459 AbstractCegarLoop]: Abstraction has 315 states and 350 transitions. [2018-04-13 11:43:58,248 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-13 11:43:58,248 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 350 transitions. [2018-04-13 11:43:58,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-04-13 11:43:58,248 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:43:58,248 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:43:58,248 INFO L408 AbstractCegarLoop]: === Iteration 53 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:43:58,248 INFO L82 PathProgramCache]: Analyzing trace with hash -1052925042, now seen corresponding path program 1 times [2018-04-13 11:43:58,248 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:43:58,248 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:43:58,249 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:43:58,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:43:58,249 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:43:58,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:43:58,253 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:43:58,257 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:43:58,257 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:43:58,257 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:43:58,257 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:43:58,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:43:58,270 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:43:58,272 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:43:58,272 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:58,274 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:58,275 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 11:43:58,290 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:43:58,291 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:43:58,291 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:58,292 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:58,297 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:43:58,298 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:43:58,298 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:58,299 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:58,302 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:58,302 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:31, output treesize:23 [2018-04-13 11:43:58,310 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 11:43:58,311 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:43:58,311 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 11:43:58,312 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:58,314 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:58,322 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 11:43:58,324 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:43:58,324 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 11:43:58,325 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:58,327 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:58,332 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:58,332 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:49, output treesize:41 [2018-04-13 11:43:58,414 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:43:58,415 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2018-04-13 11:43:58,415 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:58,424 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:58,424 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:71, output treesize:59 [2018-04-13 11:43:58,456 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 30 [2018-04-13 11:43:58,457 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:43:58,458 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:43:58,458 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2018-04-13 11:43:58,458 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:58,462 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:58,470 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:43:58,470 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:82, output treesize:54 [2018-04-13 11:43:58,488 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:43:58,488 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 31 [2018-04-13 11:43:58,489 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:43:58,489 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-04-13 11:43:58,490 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:58,492 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:58,496 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:58,497 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:57, output treesize:27 [2018-04-13 11:43:58,534 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-04-13 11:43:58,535 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:43:58,535 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-04-13 11:43:58,535 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-13 11:43:58,535 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-13 11:43:58,535 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=163, Unknown=4, NotChecked=0, Total=210 [2018-04-13 11:43:58,535 INFO L87 Difference]: Start difference. First operand 315 states and 350 transitions. Second operand 15 states. [2018-04-13 11:43:59,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:43:59,066 INFO L93 Difference]: Finished difference Result 328 states and 362 transitions. [2018-04-13 11:43:59,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-13 11:43:59,066 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 63 [2018-04-13 11:43:59,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:43:59,067 INFO L225 Difference]: With dead ends: 328 [2018-04-13 11:43:59,067 INFO L226 Difference]: Without dead ends: 328 [2018-04-13 11:43:59,067 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=210, Invalid=528, Unknown=18, NotChecked=0, Total=756 [2018-04-13 11:43:59,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2018-04-13 11:43:59,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 315. [2018-04-13 11:43:59,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2018-04-13 11:43:59,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 349 transitions. [2018-04-13 11:43:59,069 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 349 transitions. Word has length 63 [2018-04-13 11:43:59,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:43:59,069 INFO L459 AbstractCegarLoop]: Abstraction has 315 states and 349 transitions. [2018-04-13 11:43:59,070 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-13 11:43:59,070 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 349 transitions. [2018-04-13 11:43:59,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-04-13 11:43:59,070 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:43:59,070 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:43:59,070 INFO L408 AbstractCegarLoop]: === Iteration 54 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:43:59,070 INFO L82 PathProgramCache]: Analyzing trace with hash 101560804, now seen corresponding path program 2 times [2018-04-13 11:43:59,070 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:43:59,070 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:43:59,071 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:43:59,071 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:43:59,071 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:43:59,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:43:59,078 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:43:59,080 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:43:59,080 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:43:59,080 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:43:59,081 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-13 11:43:59,098 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-13 11:43:59,098 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 11:43:59,100 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:43:59,121 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:43:59,122 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:43:59,122 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 24 [2018-04-13 11:43:59,122 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:59,127 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:59,127 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2018-04-13 11:43:59,138 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:43:59,139 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:43:59,140 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:59,141 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:59,150 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:43:59,151 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:43:59,151 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:59,152 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:59,159 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:59,159 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:46, output treesize:39 [2018-04-13 11:43:59,193 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 45 [2018-04-13 11:43:59,195 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 35 [2018-04-13 11:43:59,195 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:59,214 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:59,234 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 46 [2018-04-13 11:43:59,235 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 38 [2018-04-13 11:43:59,236 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:59,254 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:59,263 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:43:59,263 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:73, output treesize:65 [2018-04-13 11:43:59,285 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 38 [2018-04-13 11:43:59,287 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 23 [2018-04-13 11:43:59,287 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:59,296 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 14 [2018-04-13 11:43:59,296 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:59,305 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 20 [2018-04-13 11:43:59,305 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:59,310 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:59,316 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:43:59,317 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:73, output treesize:45 [2018-04-13 11:43:59,358 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 39 treesize of output 55 [2018-04-13 11:43:59,360 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2018-04-13 11:43:59,360 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:59,376 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:59,384 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:43:59,384 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:59, output treesize:55 [2018-04-13 11:43:59,408 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:43:59,409 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:43:59,410 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:43:59,410 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 37 [2018-04-13 11:43:59,410 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:59,423 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:43:59,423 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:69, output treesize:71 [2018-04-13 11:43:59,452 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:43:59,460 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 46 treesize of output 61 [2018-04-13 11:43:59,461 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 46 [2018-04-13 11:43:59,462 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:59,472 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:59,487 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:43:59,489 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:43:59,489 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:59,490 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:59,503 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:43:59,503 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:90, output treesize:80 [2018-04-13 11:43:59,558 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 64 [2018-04-13 11:43:59,560 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:43:59,560 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:59,566 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:59,613 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 56 treesize of output 92 [2018-04-13 11:43:59,615 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 76 [2018-04-13 11:43:59,615 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:59,661 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:59,679 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:43:59,679 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:122, output treesize:106 [2018-04-13 11:43:59,729 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 43 [2018-04-13 11:43:59,731 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:43:59,731 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:59,739 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 23 [2018-04-13 11:43:59,739 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:43:59,748 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:43:59,765 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-13 11:43:59,766 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:120, output treesize:99 [2018-04-13 11:43:59,971 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 90 treesize of output 104 [2018-04-13 11:43:59,974 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:43:59,974 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 77 [2018-04-13 11:43:59,974 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:00,002 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:00,017 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:00,017 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:120, output treesize:74 [2018-04-13 11:44:00,133 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-04-13 11:44:00,134 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:00,144 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:00,144 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:74, output treesize:59 [2018-04-13 11:44:00,258 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 73 [2018-04-13 11:44:00,261 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:00,262 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 51 [2018-04-13 11:44:00,262 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:00,345 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:00,346 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2018-04-13 11:44:00,347 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:00,367 INFO L267 ElimStorePlain]: Start of recursive call 2: 16 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:00,370 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:00,370 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:63, output treesize:3 [2018-04-13 11:44:00,405 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:44:00,405 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:44:00,405 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-04-13 11:44:00,405 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-13 11:44:00,405 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-13 11:44:00,405 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=399, Unknown=1, NotChecked=0, Total=506 [2018-04-13 11:44:00,405 INFO L87 Difference]: Start difference. First operand 315 states and 349 transitions. Second operand 23 states. [2018-04-13 11:44:03,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:44:03,109 INFO L93 Difference]: Finished difference Result 332 states and 360 transitions. [2018-04-13 11:44:03,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-13 11:44:03,109 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 63 [2018-04-13 11:44:03,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:44:03,110 INFO L225 Difference]: With dead ends: 332 [2018-04-13 11:44:03,110 INFO L226 Difference]: Without dead ends: 332 [2018-04-13 11:44:03,110 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 705 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=627, Invalid=2233, Unknown=2, NotChecked=0, Total=2862 [2018-04-13 11:44:03,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2018-04-13 11:44:03,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 318. [2018-04-13 11:44:03,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2018-04-13 11:44:03,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 354 transitions. [2018-04-13 11:44:03,112 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 354 transitions. Word has length 63 [2018-04-13 11:44:03,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:44:03,112 INFO L459 AbstractCegarLoop]: Abstraction has 318 states and 354 transitions. [2018-04-13 11:44:03,113 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-13 11:44:03,113 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 354 transitions. [2018-04-13 11:44:03,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-04-13 11:44:03,113 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:44:03,113 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:44:03,113 INFO L408 AbstractCegarLoop]: === Iteration 55 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:44:03,113 INFO L82 PathProgramCache]: Analyzing trace with hash 101560856, now seen corresponding path program 2 times [2018-04-13 11:44:03,113 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:44:03,113 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:44:03,114 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:44:03,114 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-13 11:44:03,114 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:44:03,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:44:03,121 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:44:03,123 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:44:03,123 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:44:03,123 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:44:03,123 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-13 11:44:03,127 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-04-13 11:44:03,127 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 11:44:03,128 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:44:03,158 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2018-04-13 11:44:03,158 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2018-04-13 11:44:03,159 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:03,159 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:03,162 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-04-13 11:44:03,163 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2018-04-13 11:44:03,163 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:03,164 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:03,164 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:03,165 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:32, output treesize:9 [2018-04-13 11:44:03,174 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-04-13 11:44:03,175 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-04-13 11:44:03,175 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:03,176 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:03,176 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:03,176 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2018-04-13 11:44:03,183 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-04-13 11:44:03,183 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 11:44:03,183 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-13 11:44:03,183 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-13 11:44:03,183 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-13 11:44:03,183 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-04-13 11:44:03,183 INFO L87 Difference]: Start difference. First operand 318 states and 354 transitions. Second operand 9 states. [2018-04-13 11:44:03,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:44:03,323 INFO L93 Difference]: Finished difference Result 352 states and 388 transitions. [2018-04-13 11:44:03,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-13 11:44:03,323 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2018-04-13 11:44:03,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:44:03,324 INFO L225 Difference]: With dead ends: 352 [2018-04-13 11:44:03,324 INFO L226 Difference]: Without dead ends: 352 [2018-04-13 11:44:03,324 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2018-04-13 11:44:03,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2018-04-13 11:44:03,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 324. [2018-04-13 11:44:03,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2018-04-13 11:44:03,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 361 transitions. [2018-04-13 11:44:03,326 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 361 transitions. Word has length 63 [2018-04-13 11:44:03,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:44:03,327 INFO L459 AbstractCegarLoop]: Abstraction has 324 states and 361 transitions. [2018-04-13 11:44:03,327 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-13 11:44:03,327 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 361 transitions. [2018-04-13 11:44:03,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-04-13 11:44:03,327 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:44:03,327 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:44:03,327 INFO L408 AbstractCegarLoop]: === Iteration 56 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:44:03,327 INFO L82 PathProgramCache]: Analyzing trace with hash 528358667, now seen corresponding path program 1 times [2018-04-13 11:44:03,327 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:44:03,327 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:44:03,328 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:44:03,328 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-13 11:44:03,328 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:44:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:44:03,335 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:44:03,338 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:44:03,338 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:44:03,338 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:44:03,339 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:44:03,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:44:03,374 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:44:03,392 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:03,393 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:03,393 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-13 11:44:03,393 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:03,398 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:03,398 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-04-13 11:44:03,407 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:44:03,408 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:44:03,409 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:03,410 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:03,420 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:44:03,421 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:44:03,421 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:03,422 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:03,430 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:03,430 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:41, output treesize:27 [2018-04-13 11:44:03,454 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 55 [2018-04-13 11:44:03,456 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:44:03,456 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:03,461 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:03,471 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-13 11:44:03,473 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:44:03,473 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:03,476 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:03,482 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:03,482 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:69, output treesize:53 [2018-04-13 11:44:03,497 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2018-04-13 11:44:03,498 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-13 11:44:03,498 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:03,503 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:44:03,503 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:03,504 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:03,509 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:03,509 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:61, output treesize:37 [2018-04-13 11:44:03,534 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 31 [2018-04-13 11:44:03,536 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 25 [2018-04-13 11:44:03,536 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:03,539 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:03,544 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:03,544 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:52, output treesize:44 [2018-04-13 11:44:03,648 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2018-04-13 11:44:03,653 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:44:03,653 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 11:44:03,659 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2018-04-13 11:44:03,659 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:03,662 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:44:03,672 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:44:03,673 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:51, output treesize:30 [2018-04-13 11:44:03,719 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:03,719 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-04-13 11:44:03,719 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:03,722 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:03,722 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:11 [2018-04-13 11:44:03,746 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-13 11:44:03,746 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:44:03,747 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-04-13 11:44:03,747 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-13 11:44:03,747 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-13 11:44:03,747 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2018-04-13 11:44:03,747 INFO L87 Difference]: Start difference. First operand 324 states and 361 transitions. Second operand 18 states. [2018-04-13 11:44:04,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:44:04,526 INFO L93 Difference]: Finished difference Result 357 states and 389 transitions. [2018-04-13 11:44:04,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-13 11:44:04,526 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 64 [2018-04-13 11:44:04,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:44:04,527 INFO L225 Difference]: With dead ends: 357 [2018-04-13 11:44:04,527 INFO L226 Difference]: Without dead ends: 357 [2018-04-13 11:44:04,527 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=162, Invalid=960, Unknown=0, NotChecked=0, Total=1122 [2018-04-13 11:44:04,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2018-04-13 11:44:04,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 336. [2018-04-13 11:44:04,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 336 states. [2018-04-13 11:44:04,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 374 transitions. [2018-04-13 11:44:04,529 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 374 transitions. Word has length 64 [2018-04-13 11:44:04,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:44:04,529 INFO L459 AbstractCegarLoop]: Abstraction has 336 states and 374 transitions. [2018-04-13 11:44:04,529 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-13 11:44:04,529 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 374 transitions. [2018-04-13 11:44:04,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-04-13 11:44:04,529 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:44:04,530 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:44:04,530 INFO L408 AbstractCegarLoop]: === Iteration 57 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:44:04,530 INFO L82 PathProgramCache]: Analyzing trace with hash 528358668, now seen corresponding path program 1 times [2018-04-13 11:44:04,530 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:44:04,530 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:44:04,530 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:44:04,530 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:44:04,530 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:44:04,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:44:04,535 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:44:04,537 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:44:04,537 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:44:04,537 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:44:04,538 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:44:04,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:44:04,558 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:44:04,559 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:44:04,559 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:04,561 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:04,562 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 11:44:04,588 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:04,589 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-13 11:44:04,589 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:04,597 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:04,598 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:04,598 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 12 [2018-04-13 11:44:04,598 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:04,604 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:04,604 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:34, output treesize:27 [2018-04-13 11:44:04,615 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-13 11:44:04,615 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:04,626 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:44:04,627 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:44:04,627 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:04,629 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:04,639 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:44:04,640 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:44:04,640 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:04,641 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:04,649 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:04,649 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:54, output treesize:39 [2018-04-13 11:44:04,676 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 64 [2018-04-13 11:44:04,677 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:44:04,677 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:04,683 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:04,695 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-13 11:44:04,696 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:44:04,697 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:04,700 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:04,720 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:04,721 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:81, output treesize:65 [2018-04-13 11:44:04,780 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 42 [2018-04-13 11:44:04,783 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 25 [2018-04-13 11:44:04,783 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:04,788 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:04,804 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:04,805 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 73 [2018-04-13 11:44:04,807 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 37 [2018-04-13 11:44:04,807 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:04,815 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:04,827 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:04,827 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:107, output treesize:95 [2018-04-13 11:44:04,947 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:04,947 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:04,947 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 60 [2018-04-13 11:44:04,952 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 45 [2018-04-13 11:44:04,953 INFO L267 ElimStorePlain]: Start of recursive call 3: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-13 11:44:04,971 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:44:04,971 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2018-04-13 11:44:04,971 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:04,972 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:44:04,977 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 49 [2018-04-13 11:44:04,978 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-13 11:44:05,014 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-13 11:44:05,035 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 36 [2018-04-13 11:44:05,037 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-13 11:44:05,037 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:05,044 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-13 11:44:05,044 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:05,049 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:05,051 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 40 [2018-04-13 11:44:05,052 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:44:05,053 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-13 11:44:05,053 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:05,061 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-13 11:44:05,061 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:05,066 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:05,083 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-13 11:44:05,083 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 5 variables, input treesize:102, output treesize:42 [2018-04-13 11:44:05,156 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-13 11:44:05,156 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:44:05,156 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-04-13 11:44:05,156 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-13 11:44:05,156 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-13 11:44:05,157 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=251, Unknown=5, NotChecked=0, Total=306 [2018-04-13 11:44:05,157 INFO L87 Difference]: Start difference. First operand 336 states and 374 transitions. Second operand 18 states. [2018-04-13 11:44:06,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:44:06,310 INFO L93 Difference]: Finished difference Result 368 states and 399 transitions. [2018-04-13 11:44:06,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-13 11:44:06,310 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 64 [2018-04-13 11:44:06,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:44:06,311 INFO L225 Difference]: With dead ends: 368 [2018-04-13 11:44:06,311 INFO L226 Difference]: Without dead ends: 368 [2018-04-13 11:44:06,311 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=279, Invalid=1115, Unknown=12, NotChecked=0, Total=1406 [2018-04-13 11:44:06,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2018-04-13 11:44:06,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 337. [2018-04-13 11:44:06,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2018-04-13 11:44:06,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 375 transitions. [2018-04-13 11:44:06,313 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 375 transitions. Word has length 64 [2018-04-13 11:44:06,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:44:06,313 INFO L459 AbstractCegarLoop]: Abstraction has 337 states and 375 transitions. [2018-04-13 11:44:06,313 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-13 11:44:06,313 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 375 transitions. [2018-04-13 11:44:06,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-04-13 11:44:06,313 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:44:06,314 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:44:06,314 INFO L408 AbstractCegarLoop]: === Iteration 58 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:44:06,314 INFO L82 PathProgramCache]: Analyzing trace with hash 457580163, now seen corresponding path program 1 times [2018-04-13 11:44:06,314 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:44:06,314 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:44:06,314 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:44:06,314 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:44:06,314 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:44:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:44:06,319 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:44:06,322 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:44:06,322 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:44:06,322 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:44:06,322 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:44:06,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:44:06,343 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:44:06,371 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-04-13 11:44:06,372 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-13 11:44:06,372 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:06,373 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:06,376 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:06,376 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2018-04-13 11:44:06,392 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:06,392 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:06,393 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 12 [2018-04-13 11:44:06,393 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:06,399 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:06,399 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:29 [2018-04-13 11:44:06,411 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-13 11:44:06,412 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:06,424 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:44:06,425 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:44:06,425 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:06,426 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:06,436 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:44:06,438 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:44:06,438 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:06,439 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:06,447 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:06,447 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:56, output treesize:37 [2018-04-13 11:44:06,490 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-13 11:44:06,491 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:44:06,491 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:06,494 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:06,507 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 47 [2018-04-13 11:44:06,508 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:44:06,508 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:06,513 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:06,522 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:06,522 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:79, output treesize:63 [2018-04-13 11:44:06,590 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 45 [2018-04-13 11:44:06,593 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 29 [2018-04-13 11:44:06,593 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:06,599 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:06,616 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:06,617 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 72 [2018-04-13 11:44:06,619 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 29 [2018-04-13 11:44:06,619 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:06,627 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:06,639 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:06,639 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:96, output treesize:89 [2018-04-13 11:44:06,674 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:06,675 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 39 [2018-04-13 11:44:06,676 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 26 [2018-04-13 11:44:06,676 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:06,681 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:06,691 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:06,691 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:80, output treesize:76 [2018-04-13 11:44:06,728 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:06,728 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:06,729 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:06,729 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:44:06,730 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 68 [2018-04-13 11:44:06,738 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 49 [2018-04-13 11:44:06,738 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:06,744 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:06,753 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:06,753 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:92, output treesize:83 [2018-04-13 11:44:06,859 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:06,860 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:06,860 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 90 [2018-04-13 11:44:06,865 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 67 [2018-04-13 11:44:06,865 INFO L267 ElimStorePlain]: Start of recursive call 3: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-13 11:44:06,884 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 68 [2018-04-13 11:44:06,885 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-13 11:44:06,886 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 52 [2018-04-13 11:44:06,886 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:06,903 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-13 11:44:06,918 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:06,919 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 49 [2018-04-13 11:44:06,920 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2018-04-13 11:44:06,920 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:06,926 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-04-13 11:44:06,926 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:06,930 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:06,931 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:06,932 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 49 [2018-04-13 11:44:06,933 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2018-04-13 11:44:06,933 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:06,939 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-04-13 11:44:06,940 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:06,943 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:06,954 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-13 11:44:06,954 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 3 variables, input treesize:109, output treesize:51 [2018-04-13 11:44:06,978 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:06,979 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:06,979 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2018-04-13 11:44:06,983 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 18 [2018-04-13 11:44:06,983 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:44:06,989 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-04-13 11:44:06,989 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:06,991 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:06,993 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:06,993 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:29, output treesize:7 [2018-04-13 11:44:07,028 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:44:07,028 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:44:07,028 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-04-13 11:44:07,028 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-13 11:44:07,029 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-13 11:44:07,029 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=396, Unknown=2, NotChecked=0, Total=462 [2018-04-13 11:44:07,029 INFO L87 Difference]: Start difference. First operand 337 states and 375 transitions. Second operand 22 states. [2018-04-13 11:44:08,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:44:08,029 INFO L93 Difference]: Finished difference Result 372 states and 410 transitions. [2018-04-13 11:44:08,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-13 11:44:08,029 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 64 [2018-04-13 11:44:08,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:44:08,031 INFO L225 Difference]: With dead ends: 372 [2018-04-13 11:44:08,031 INFO L226 Difference]: Without dead ends: 367 [2018-04-13 11:44:08,031 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 333 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=349, Invalid=1451, Unknown=6, NotChecked=0, Total=1806 [2018-04-13 11:44:08,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2018-04-13 11:44:08,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 351. [2018-04-13 11:44:08,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2018-04-13 11:44:08,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 389 transitions. [2018-04-13 11:44:08,035 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 389 transitions. Word has length 64 [2018-04-13 11:44:08,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:44:08,035 INFO L459 AbstractCegarLoop]: Abstraction has 351 states and 389 transitions. [2018-04-13 11:44:08,035 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-13 11:44:08,035 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 389 transitions. [2018-04-13 11:44:08,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-04-13 11:44:08,036 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:44:08,036 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:44:08,036 INFO L408 AbstractCegarLoop]: === Iteration 59 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:44:08,036 INFO L82 PathProgramCache]: Analyzing trace with hash -1803369604, now seen corresponding path program 2 times [2018-04-13 11:44:08,036 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:44:08,036 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:44:08,037 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:44:08,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:44:08,037 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:44:08,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:44:08,043 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:44:08,062 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-04-13 11:44:08,063 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 11:44:08,063 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-13 11:44:08,063 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-13 11:44:08,063 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-13 11:44:08,063 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-13 11:44:08,063 INFO L87 Difference]: Start difference. First operand 351 states and 389 transitions. Second operand 5 states. [2018-04-13 11:44:08,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:44:08,124 INFO L93 Difference]: Finished difference Result 352 states and 389 transitions. [2018-04-13 11:44:08,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-13 11:44:08,124 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2018-04-13 11:44:08,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:44:08,125 INFO L225 Difference]: With dead ends: 352 [2018-04-13 11:44:08,125 INFO L226 Difference]: Without dead ends: 352 [2018-04-13 11:44:08,125 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-13 11:44:08,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2018-04-13 11:44:08,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 350. [2018-04-13 11:44:08,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2018-04-13 11:44:08,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 387 transitions. [2018-04-13 11:44:08,127 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 387 transitions. Word has length 65 [2018-04-13 11:44:08,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:44:08,127 INFO L459 AbstractCegarLoop]: Abstraction has 350 states and 387 transitions. [2018-04-13 11:44:08,127 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-13 11:44:08,127 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 387 transitions. [2018-04-13 11:44:08,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-04-13 11:44:08,128 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:44:08,128 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:44:08,128 INFO L408 AbstractCegarLoop]: === Iteration 60 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:44:08,128 INFO L82 PathProgramCache]: Analyzing trace with hash -97394938, now seen corresponding path program 1 times [2018-04-13 11:44:08,128 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:44:08,128 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:44:08,129 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:44:08,129 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-13 11:44:08,129 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:44:08,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:44:08,133 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:44:08,138 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:44:08,138 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:44:08,138 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:44:08,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:44:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:44:08,162 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:44:08,175 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:44:08,176 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:44:08,176 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:08,178 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:08,186 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:44:08,187 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:44:08,187 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:08,188 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:08,193 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:08,193 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:26, output treesize:18 [2018-04-13 11:44:08,204 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 11:44:08,206 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:08,207 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 11:44:08,207 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:08,213 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:08,223 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 11:44:08,225 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:08,225 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 11:44:08,226 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:08,230 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:08,237 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:08,237 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:44, output treesize:36 [2018-04-13 11:44:08,477 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 43 [2018-04-13 11:44:08,479 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:08,480 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:44:08,481 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 32 [2018-04-13 11:44:08,482 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:08,488 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:08,506 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 33 [2018-04-13 11:44:08,508 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:08,509 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:44:08,509 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2018-04-13 11:44:08,509 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:08,514 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:08,519 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:08,519 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:87, output treesize:12 [2018-04-13 11:44:08,550 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-04-13 11:44:08,551 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2018-04-13 11:44:08,551 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:08,552 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:08,553 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:08,553 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:4 [2018-04-13 11:44:08,581 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-04-13 11:44:08,581 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:44:08,581 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-04-13 11:44:08,582 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-13 11:44:08,582 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-13 11:44:08,582 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=219, Unknown=12, NotChecked=0, Total=272 [2018-04-13 11:44:08,582 INFO L87 Difference]: Start difference. First operand 350 states and 387 transitions. Second operand 17 states. [2018-04-13 11:44:09,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:44:09,258 INFO L93 Difference]: Finished difference Result 345 states and 381 transitions. [2018-04-13 11:44:09,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-13 11:44:09,258 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 67 [2018-04-13 11:44:09,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:44:09,259 INFO L225 Difference]: With dead ends: 345 [2018-04-13 11:44:09,259 INFO L226 Difference]: Without dead ends: 304 [2018-04-13 11:44:09,259 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=230, Invalid=671, Unknown=29, NotChecked=0, Total=930 [2018-04-13 11:44:09,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2018-04-13 11:44:09,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 304. [2018-04-13 11:44:09,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2018-04-13 11:44:09,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 339 transitions. [2018-04-13 11:44:09,261 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 339 transitions. Word has length 67 [2018-04-13 11:44:09,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:44:09,261 INFO L459 AbstractCegarLoop]: Abstraction has 304 states and 339 transitions. [2018-04-13 11:44:09,261 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-13 11:44:09,261 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 339 transitions. [2018-04-13 11:44:09,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-04-13 11:44:09,262 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:44:09,262 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:44:09,262 INFO L408 AbstractCegarLoop]: === Iteration 61 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:44:09,262 INFO L82 PathProgramCache]: Analyzing trace with hash 46603752, now seen corresponding path program 2 times [2018-04-13 11:44:09,262 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:44:09,262 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:44:09,262 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:44:09,263 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:44:09,263 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:44:09,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:44:09,270 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:44:09,272 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:44:09,273 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:44:09,273 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:44:09,273 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-13 11:44:09,301 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-13 11:44:09,301 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 11:44:09,303 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:44:09,305 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:44:09,305 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:09,307 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:09,307 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 11:44:09,324 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:09,324 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:09,325 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 24 [2018-04-13 11:44:09,325 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:09,331 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:09,331 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:30 [2018-04-13 11:44:09,341 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:44:09,342 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:44:09,342 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:09,344 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:09,353 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:44:09,354 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:44:09,354 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:09,355 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:09,362 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:09,362 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:49, output treesize:42 [2018-04-13 11:44:09,392 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 64 [2018-04-13 11:44:09,394 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:44:09,394 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:09,399 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:09,414 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 37 [2018-04-13 11:44:09,415 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:44:09,415 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:09,419 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:09,429 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:09,429 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:91, output treesize:75 [2018-04-13 11:44:09,449 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2018-04-13 11:44:09,450 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:44:09,450 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:09,454 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2018-04-13 11:44:09,455 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:09,457 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:09,464 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:09,464 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:83, output treesize:55 [2018-04-13 11:44:09,498 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:09,499 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 53 [2018-04-13 11:44:09,501 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:09,501 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 31 [2018-04-13 11:44:09,501 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:09,507 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:09,516 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:09,516 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:69, output treesize:54 [2018-04-13 11:44:09,543 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 14 [2018-04-13 11:44:09,544 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:44:09,544 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:09,545 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:09,555 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:09,555 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:67, output treesize:67 [2018-04-13 11:44:09,588 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:09,589 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:09,589 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:09,589 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-04-13 11:44:09,589 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:09,603 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:09,603 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:68 [2018-04-13 11:44:09,631 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:09,632 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:09,632 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:09,633 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 74 [2018-04-13 11:44:09,637 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:09,645 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 42 treesize of output 62 [2018-04-13 11:44:09,646 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 11:44:09,662 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:09,676 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 12 [2018-04-13 11:44:09,677 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-13 11:44:09,677 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:09,679 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:09,689 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:09,689 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:87, output treesize:73 [2018-04-13 11:44:09,738 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:09,738 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:09,743 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 119 [2018-04-13 11:44:09,744 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:44:09,745 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:09,756 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:09,776 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 52 [2018-04-13 11:44:09,778 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:44:09,778 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:09,783 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:09,796 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:09,796 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:122, output treesize:106 [2018-04-13 11:44:09,842 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 39 [2018-04-13 11:44:09,843 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:44:09,844 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:09,849 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2018-04-13 11:44:09,849 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:09,851 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:09,862 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:09,863 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:144, output treesize:100 [2018-04-13 11:44:09,927 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:09,930 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:09,931 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:09,933 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:09,933 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 120 [2018-04-13 11:44:09,935 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:09,936 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:09,936 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 57 [2018-04-13 11:44:09,936 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:09,949 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:09,960 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:09,960 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:111, output treesize:87 [2018-04-13 11:44:09,995 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:09,997 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 40 [2018-04-13 11:44:09,998 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2018-04-13 11:44:09,999 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:10,002 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:10,015 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:10,015 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:100, output treesize:106 [2018-04-13 11:44:10,054 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:44:10,055 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 69 [2018-04-13 11:44:10,056 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 15 [2018-04-13 11:44:10,056 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:10,060 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:10,069 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:10,070 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:138, output treesize:111 [2018-04-13 11:44:10,104 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-13 11:44:10,104 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:10,117 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:10,118 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:116, output treesize:111 [2018-04-13 11:44:10,199 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:10,200 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:10,200 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:10,201 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:10,202 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:10,202 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 84 [2018-04-13 11:44:10,207 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:10,210 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:10,223 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 34 treesize of output 82 [2018-04-13 11:44:10,227 INFO L267 ElimStorePlain]: Start of recursive call 3: 24 dim-0 vars, End of recursive call: 24 dim-0 vars, and 15 xjuncts. [2018-04-13 11:44:10,271 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 24 [2018-04-13 11:44:10,271 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:10,278 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 16 [2018-04-13 11:44:10,278 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:10,282 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:10,289 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:10,289 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:124, output treesize:28 [2018-04-13 11:44:10,368 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 45 [2018-04-13 11:44:10,369 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 25 [2018-04-13 11:44:10,369 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:10,392 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 19 [2018-04-13 11:44:10,392 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-13 11:44:10,412 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:10,413 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:10,418 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 33 [2018-04-13 11:44:10,418 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 4 xjuncts. [2018-04-13 11:44:10,457 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:10,458 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:10,463 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 29 [2018-04-13 11:44:10,463 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 4 xjuncts. [2018-04-13 11:44:10,493 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 27 [2018-04-13 11:44:10,494 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-04-13 11:44:10,519 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:10,519 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:10,520 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 17 [2018-04-13 11:44:10,520 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:10,540 INFO L267 ElimStorePlain]: Start of recursive call 2: 6 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-04-13 11:44:10,561 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-13 11:44:10,562 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 5 variables, input treesize:37, output treesize:20 [2018-04-13 11:44:10,626 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:44:10,626 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:44:10,626 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-13 11:44:10,626 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-13 11:44:10,626 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-13 11:44:10,627 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2018-04-13 11:44:10,627 INFO L87 Difference]: Start difference. First operand 304 states and 339 transitions. Second operand 28 states. [2018-04-13 11:44:12,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:44:12,410 INFO L93 Difference]: Finished difference Result 368 states and 406 transitions. [2018-04-13 11:44:12,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-13 11:44:12,410 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 67 [2018-04-13 11:44:12,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:44:12,411 INFO L225 Difference]: With dead ends: 368 [2018-04-13 11:44:12,411 INFO L226 Difference]: Without dead ends: 362 [2018-04-13 11:44:12,412 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 803 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=351, Invalid=2729, Unknown=0, NotChecked=0, Total=3080 [2018-04-13 11:44:12,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2018-04-13 11:44:12,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 342. [2018-04-13 11:44:12,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2018-04-13 11:44:12,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 385 transitions. [2018-04-13 11:44:12,414 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 385 transitions. Word has length 67 [2018-04-13 11:44:12,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:44:12,414 INFO L459 AbstractCegarLoop]: Abstraction has 342 states and 385 transitions. [2018-04-13 11:44:12,414 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-13 11:44:12,414 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 385 transitions. [2018-04-13 11:44:12,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-04-13 11:44:12,414 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:44:12,414 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:44:12,414 INFO L408 AbstractCegarLoop]: === Iteration 62 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:44:12,414 INFO L82 PathProgramCache]: Analyzing trace with hash 231908700, now seen corresponding path program 2 times [2018-04-13 11:44:12,414 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:44:12,414 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:44:12,415 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:44:12,415 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-13 11:44:12,415 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:44:12,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:44:12,421 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:44:12,447 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-04-13 11:44:12,447 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 11:44:12,447 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-13 11:44:12,447 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-13 11:44:12,447 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-13 11:44:12,447 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-13 11:44:12,447 INFO L87 Difference]: Start difference. First operand 342 states and 385 transitions. Second operand 6 states. [2018-04-13 11:44:12,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:44:12,550 INFO L93 Difference]: Finished difference Result 343 states and 383 transitions. [2018-04-13 11:44:12,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-13 11:44:12,550 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 68 [2018-04-13 11:44:12,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:44:12,551 INFO L225 Difference]: With dead ends: 343 [2018-04-13 11:44:12,551 INFO L226 Difference]: Without dead ends: 343 [2018-04-13 11:44:12,552 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-04-13 11:44:12,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2018-04-13 11:44:12,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 342. [2018-04-13 11:44:12,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2018-04-13 11:44:12,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 382 transitions. [2018-04-13 11:44:12,555 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 382 transitions. Word has length 68 [2018-04-13 11:44:12,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:44:12,555 INFO L459 AbstractCegarLoop]: Abstraction has 342 states and 382 transitions. [2018-04-13 11:44:12,555 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-13 11:44:12,556 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 382 transitions. [2018-04-13 11:44:12,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-04-13 11:44:12,556 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:44:12,556 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:44:12,556 INFO L408 AbstractCegarLoop]: === Iteration 63 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:44:12,557 INFO L82 PathProgramCache]: Analyzing trace with hash 455986342, now seen corresponding path program 1 times [2018-04-13 11:44:12,557 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:44:12,557 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:44:12,557 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:44:12,558 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-13 11:44:12,558 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:44:12,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:44:12,571 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:44:12,574 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:44:12,574 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:44:12,574 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:44:12,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:44:12,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:44:12,645 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:44:12,670 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:12,671 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:12,671 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 24 [2018-04-13 11:44:12,672 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:12,681 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:12,681 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:30 [2018-04-13 11:44:12,699 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:44:12,700 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:44:12,701 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:12,702 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:12,716 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:44:12,718 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:44:12,718 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:12,720 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:12,731 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:12,731 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:49, output treesize:42 [2018-04-13 11:44:12,774 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 37 [2018-04-13 11:44:12,776 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:44:12,776 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:12,781 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:12,797 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 56 [2018-04-13 11:44:12,799 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:44:12,799 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:12,804 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:12,815 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:12,815 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:91, output treesize:75 [2018-04-13 11:44:12,837 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2018-04-13 11:44:12,839 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 22 [2018-04-13 11:44:12,839 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:12,844 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2018-04-13 11:44:12,844 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:12,847 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:12,855 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:12,855 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:83, output treesize:55 [2018-04-13 11:44:12,893 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:12,894 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 53 [2018-04-13 11:44:12,896 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:12,896 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 31 [2018-04-13 11:44:12,896 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:12,910 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:12,920 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:12,920 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:69, output treesize:54 [2018-04-13 11:44:12,948 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 14 [2018-04-13 11:44:12,950 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:44:12,950 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:12,951 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:12,961 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:12,961 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:64, output treesize:64 [2018-04-13 11:44:12,992 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:12,992 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:12,993 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:12,993 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-04-13 11:44:12,993 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:13,004 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:13,004 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:69, output treesize:62 [2018-04-13 11:44:13,034 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:13,034 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:13,035 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:13,035 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 74 [2018-04-13 11:44:13,040 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:13,049 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 42 treesize of output 62 [2018-04-13 11:44:13,050 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 11:44:13,067 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:13,077 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:13,077 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:73, output treesize:59 [2018-04-13 11:44:13,125 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:13,126 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:13,129 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 87 [2018-04-13 11:44:13,131 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:44:13,131 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:13,140 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:13,149 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:13,149 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:80, output treesize:68 [2018-04-13 11:44:13,244 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:13,246 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:13,250 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 104 [2018-04-13 11:44:13,253 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:13,257 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 35 [2018-04-13 11:44:13,258 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 11:44:13,273 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:44:13,293 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-13 11:44:13,293 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:104, output treesize:156 [2018-04-13 11:44:13,341 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 40 [2018-04-13 11:44:13,342 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2018-04-13 11:44:13,343 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:13,346 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:13,355 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:13,355 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:84, output treesize:88 [2018-04-13 11:44:13,387 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 52 [2018-04-13 11:44:13,388 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2018-04-13 11:44:13,388 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:13,396 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:13,403 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:13,403 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:119, output treesize:76 [2018-04-13 11:44:13,432 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-13 11:44:13,432 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:13,442 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:13,442 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:88, output treesize:83 [2018-04-13 11:44:13,474 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:13,476 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:13,476 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 56 [2018-04-13 11:44:13,478 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-13 11:44:13,478 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:13,484 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2018-04-13 11:44:13,485 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:13,488 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 12 [2018-04-13 11:44:13,488 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:13,490 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:13,493 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:13,493 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:78, output treesize:7 [2018-04-13 11:44:13,517 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-04-13 11:44:13,520 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 10 [2018-04-13 11:44:13,520 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 11:44:13,522 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:44:13,523 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:44:13,523 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:10 [2018-04-13 11:44:13,568 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:44:13,568 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:44:13,568 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-13 11:44:13,569 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-13 11:44:13,569 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-13 11:44:13,569 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=655, Unknown=0, NotChecked=0, Total=756 [2018-04-13 11:44:13,569 INFO L87 Difference]: Start difference. First operand 342 states and 382 transitions. Second operand 28 states. [2018-04-13 11:44:14,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:44:14,945 INFO L93 Difference]: Finished difference Result 423 states and 468 transitions. [2018-04-13 11:44:14,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-13 11:44:14,945 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 68 [2018-04-13 11:44:14,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:44:14,946 INFO L225 Difference]: With dead ends: 423 [2018-04-13 11:44:14,946 INFO L226 Difference]: Without dead ends: 417 [2018-04-13 11:44:14,946 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 824 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=450, Invalid=2856, Unknown=0, NotChecked=0, Total=3306 [2018-04-13 11:44:14,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2018-04-13 11:44:14,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 349. [2018-04-13 11:44:14,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2018-04-13 11:44:14,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 390 transitions. [2018-04-13 11:44:14,948 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 390 transitions. Word has length 68 [2018-04-13 11:44:14,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:44:14,948 INFO L459 AbstractCegarLoop]: Abstraction has 349 states and 390 transitions. [2018-04-13 11:44:14,948 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-13 11:44:14,948 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 390 transitions. [2018-04-13 11:44:14,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-04-13 11:44:14,949 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:44:14,949 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:44:14,949 INFO L408 AbstractCegarLoop]: === Iteration 64 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:44:14,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1007421294, now seen corresponding path program 2 times [2018-04-13 11:44:14,949 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:44:14,949 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:44:14,950 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:44:14,950 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:44:14,950 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:44:14,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:44:14,959 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:44:14,961 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:44:14,961 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:44:14,961 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:44:14,961 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-13 11:44:14,990 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-13 11:44:14,990 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 11:44:14,993 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:44:15,039 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:15,040 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:15,040 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-13 11:44:15,040 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:15,048 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:15,048 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2018-04-13 11:44:15,060 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:44:15,062 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:44:15,062 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:15,063 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:15,081 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:44:15,082 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:44:15,083 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:15,084 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:15,092 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:15,092 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:46, output treesize:39 [2018-04-13 11:44:15,125 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 64 [2018-04-13 11:44:15,127 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:44:15,127 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:15,133 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:15,148 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-13 11:44:15,149 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:44:15,149 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:15,153 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:15,162 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:15,163 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:81, output treesize:65 [2018-04-13 11:44:15,184 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2018-04-13 11:44:15,188 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2018-04-13 11:44:15,188 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:15,195 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-04-13 11:44:15,196 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:15,197 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:15,213 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:15,213 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:73, output treesize:49 [2018-04-13 11:44:15,248 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:15,249 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 53 [2018-04-13 11:44:15,252 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2018-04-13 11:44:15,252 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:15,258 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:15,267 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:15,268 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:63, output treesize:51 [2018-04-13 11:44:15,334 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 14 [2018-04-13 11:44:15,336 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:44:15,336 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:15,337 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:15,347 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:15,347 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:58, output treesize:58 [2018-04-13 11:44:15,385 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:15,386 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:15,386 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:15,387 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-04-13 11:44:15,387 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:15,398 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:15,398 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:63, output treesize:56 [2018-04-13 11:44:15,420 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:15,421 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:15,421 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:15,422 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 67 [2018-04-13 11:44:15,432 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 47 [2018-04-13 11:44:15,433 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 11:44:15,454 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:15,464 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:15,464 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:67, output treesize:53 [2018-04-13 11:44:15,507 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:15,507 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:15,512 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 78 [2018-04-13 11:44:15,513 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:44:15,513 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:15,521 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:15,531 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:15,532 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:74, output treesize:62 [2018-04-13 11:44:15,616 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:15,619 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:15,622 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 95 [2018-04-13 11:44:15,625 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:15,630 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 35 [2018-04-13 11:44:15,630 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 11:44:15,648 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:44:15,672 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-13 11:44:15,673 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:97, output treesize:142 [2018-04-13 11:44:15,718 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 40 [2018-04-13 11:44:15,720 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2018-04-13 11:44:15,720 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:15,723 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:15,735 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:15,735 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:77, output treesize:81 [2018-04-13 11:44:15,769 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 63 [2018-04-13 11:44:15,771 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 41 [2018-04-13 11:44:15,771 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:15,774 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:15,782 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:15,783 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:140, output treesize:93 [2018-04-13 11:44:15,809 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-13 11:44:15,809 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:15,818 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:15,818 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:105, output treesize:100 [2018-04-13 11:44:15,956 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:15,958 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:15,958 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 81 [2018-04-13 11:44:15,963 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 60 [2018-04-13 11:44:15,964 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:44:15,978 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-13 11:44:15,986 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:15,993 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2018-04-13 11:44:15,993 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:15,998 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:16,005 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:16,005 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:110, output treesize:44 [2018-04-13 11:44:16,154 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 37 [2018-04-13 11:44:16,156 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2018-04-13 11:44:16,156 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:16,161 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:16,162 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:16,168 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 40 [2018-04-13 11:44:16,168 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 3 xjuncts. [2018-04-13 11:44:16,182 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-13 11:44:16,195 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-04-13 11:44:16,196 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:53, output treesize:25 [2018-04-13 11:44:16,262 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:44:16,262 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:44:16,262 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-04-13 11:44:16,262 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-13 11:44:16,262 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-13 11:44:16,262 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=876, Unknown=0, NotChecked=0, Total=992 [2018-04-13 11:44:16,263 INFO L87 Difference]: Start difference. First operand 349 states and 390 transitions. Second operand 32 states. [2018-04-13 11:44:18,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:44:18,293 INFO L93 Difference]: Finished difference Result 416 states and 460 transitions. [2018-04-13 11:44:18,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-04-13 11:44:18,293 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 68 [2018-04-13 11:44:18,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:44:18,294 INFO L225 Difference]: With dead ends: 416 [2018-04-13 11:44:18,294 INFO L226 Difference]: Without dead ends: 410 [2018-04-13 11:44:18,294 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1122 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=495, Invalid=3665, Unknown=0, NotChecked=0, Total=4160 [2018-04-13 11:44:18,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2018-04-13 11:44:18,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 358. [2018-04-13 11:44:18,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2018-04-13 11:44:18,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 399 transitions. [2018-04-13 11:44:18,297 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 399 transitions. Word has length 68 [2018-04-13 11:44:18,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:44:18,297 INFO L459 AbstractCegarLoop]: Abstraction has 358 states and 399 transitions. [2018-04-13 11:44:18,297 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-13 11:44:18,297 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 399 transitions. [2018-04-13 11:44:18,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-04-13 11:44:18,297 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:44:18,297 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:44:18,297 INFO L408 AbstractCegarLoop]: === Iteration 65 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:44:18,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1947181853, now seen corresponding path program 1 times [2018-04-13 11:44:18,297 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:44:18,297 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:44:18,298 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:44:18,298 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-13 11:44:18,298 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:44:18,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:44:18,303 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:44:18,306 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:44:18,306 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:44:18,306 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:44:18,306 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:44:18,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:44:18,338 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:44:18,390 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:44:18,392 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:44:18,393 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:18,395 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:18,411 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:44:18,413 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:44:18,413 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:18,415 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:18,425 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:18,425 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:54, output treesize:44 [2018-04-13 11:44:18,463 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:18,466 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-13 11:44:18,467 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:44:18,468 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:18,471 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:18,482 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:18,484 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 64 [2018-04-13 11:44:18,485 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:44:18,485 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:18,491 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:18,499 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:18,499 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:86, output treesize:70 [2018-04-13 11:44:18,519 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:18,520 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2018-04-13 11:44:18,521 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-13 11:44:18,521 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:18,525 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:44:18,525 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:18,526 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:18,532 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:18,532 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:78, output treesize:54 [2018-04-13 11:44:18,564 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:18,567 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 56 [2018-04-13 11:44:18,569 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 25 [2018-04-13 11:44:18,569 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:18,574 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:18,581 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:18,581 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:69, output treesize:61 [2018-04-13 11:44:18,717 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:18,719 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 41 [2018-04-13 11:44:18,721 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2018-04-13 11:44:18,722 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:18,731 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:44:18,731 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-13 11:44:18,744 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:44:18,757 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:44:18,758 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:68, output treesize:56 [2018-04-13 11:44:18,959 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-13 11:44:18,959 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:44:18,960 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-04-13 11:44:18,960 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-13 11:44:18,960 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-13 11:44:18,960 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=352, Unknown=23, NotChecked=0, Total=420 [2018-04-13 11:44:18,960 INFO L87 Difference]: Start difference. First operand 358 states and 399 transitions. Second operand 21 states. [2018-04-13 11:44:20,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:44:20,015 INFO L93 Difference]: Finished difference Result 387 states and 424 transitions. [2018-04-13 11:44:20,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-04-13 11:44:20,016 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 70 [2018-04-13 11:44:20,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:44:20,016 INFO L225 Difference]: With dead ends: 387 [2018-04-13 11:44:20,016 INFO L226 Difference]: Without dead ends: 382 [2018-04-13 11:44:20,017 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=127, Invalid=1030, Unknown=33, NotChecked=0, Total=1190 [2018-04-13 11:44:20,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2018-04-13 11:44:20,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 358. [2018-04-13 11:44:20,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2018-04-13 11:44:20,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 398 transitions. [2018-04-13 11:44:20,019 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 398 transitions. Word has length 70 [2018-04-13 11:44:20,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:44:20,019 INFO L459 AbstractCegarLoop]: Abstraction has 358 states and 398 transitions. [2018-04-13 11:44:20,019 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-13 11:44:20,019 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 398 transitions. [2018-04-13 11:44:20,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-04-13 11:44:20,020 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:44:20,020 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:44:20,020 INFO L408 AbstractCegarLoop]: === Iteration 66 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:44:20,020 INFO L82 PathProgramCache]: Analyzing trace with hash 1176655876, now seen corresponding path program 1 times [2018-04-13 11:44:20,020 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:44:20,020 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:44:20,020 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:44:20,020 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:44:20,020 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:44:20,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:44:20,029 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:44:20,031 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:44:20,031 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:44:20,031 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:44:20,032 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:44:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:44:20,068 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:44:20,093 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:20,094 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:20,094 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 12 [2018-04-13 11:44:20,094 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:20,098 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:20,099 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:17 [2018-04-13 11:44:20,108 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:44:20,110 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:44:20,110 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:20,111 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:20,120 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:44:20,121 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:44:20,121 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:20,122 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:20,129 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:20,129 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:41, output treesize:30 [2018-04-13 11:44:20,157 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 55 [2018-04-13 11:44:20,158 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:44:20,159 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:20,163 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:20,183 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 37 [2018-04-13 11:44:20,184 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:44:20,185 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:20,189 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:20,197 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:20,197 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:79, output treesize:63 [2018-04-13 11:44:20,253 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:20,254 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 57 [2018-04-13 11:44:20,257 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:20,257 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 35 [2018-04-13 11:44:20,257 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:20,265 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:20,283 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 87 [2018-04-13 11:44:20,284 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:20,285 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 41 [2018-04-13 11:44:20,285 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:20,294 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:20,307 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:20,307 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:98, output treesize:124 [2018-04-13 11:44:20,351 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 14 [2018-04-13 11:44:20,352 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:44:20,353 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:20,354 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:20,370 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:20,370 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:140, output treesize:137 [2018-04-13 11:44:20,399 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:20,400 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:20,400 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:20,401 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 59 [2018-04-13 11:44:20,401 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:20,420 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:20,420 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:148, output treesize:168 [2018-04-13 11:44:20,455 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 48 [2018-04-13 11:44:20,455 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:20,480 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:20,481 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:20,481 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:20,482 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:20,482 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 153 [2018-04-13 11:44:20,486 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:20,499 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 116 treesize of output 126 [2018-04-13 11:44:20,500 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 11:44:20,531 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:20,549 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:20,552 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 91 [2018-04-13 11:44:20,554 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:20,556 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 70 [2018-04-13 11:44:20,556 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:20,565 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:20,578 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:20,578 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:195, output treesize:101 [2018-04-13 11:44:20,626 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:20,628 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:20,631 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 148 [2018-04-13 11:44:20,633 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:44:20,633 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:20,649 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:20,666 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:20,671 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 107 [2018-04-13 11:44:20,672 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:44:20,672 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:20,681 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:20,694 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:20,694 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:143, output treesize:127 [2018-04-13 11:44:20,798 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:20,805 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 247 treesize of output 260 [2018-04-13 11:44:20,808 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:44:20,808 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 34 [2018-04-13 11:44:20,808 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:20,826 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:20,844 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:20,845 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:20,848 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:20,851 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 203 treesize of output 175 [2018-04-13 11:44:20,854 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:20,858 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 35 [2018-04-13 11:44:20,858 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-13 11:44:20,884 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:44:20,922 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-13 11:44:20,922 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:274, output treesize:327 [2018-04-13 11:44:20,976 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 68 [2018-04-13 11:44:20,977 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 31 [2018-04-13 11:44:20,977 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:20,990 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:21,003 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:21,004 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:165, output treesize:183 [2018-04-13 11:44:21,042 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 94 [2018-04-13 11:44:21,043 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2018-04-13 11:44:21,043 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:21,046 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:21,057 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:21,058 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:300, output treesize:215 [2018-04-13 11:44:21,091 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:21,094 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 206 treesize of output 150 [2018-04-13 11:44:21,096 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:44:21,096 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:21,108 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 80 [2018-04-13 11:44:21,108 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:21,116 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 63 [2018-04-13 11:44:21,117 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:21,122 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:21,137 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:21,137 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:229, output treesize:86 [2018-04-13 11:44:21,211 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2018-04-13 11:44:21,212 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-04-13 11:44:21,212 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:21,213 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:21,220 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:21,220 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:85, output treesize:66 [2018-04-13 11:44:21,280 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:44:21,281 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:44:21,281 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-04-13 11:44:21,281 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-13 11:44:21,281 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-13 11:44:21,281 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=600, Unknown=0, NotChecked=0, Total=702 [2018-04-13 11:44:21,281 INFO L87 Difference]: Start difference. First operand 358 states and 398 transitions. Second operand 27 states. [2018-04-13 11:44:23,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:44:23,019 INFO L93 Difference]: Finished difference Result 406 states and 447 transitions. [2018-04-13 11:44:23,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-13 11:44:23,019 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 70 [2018-04-13 11:44:23,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:44:23,020 INFO L225 Difference]: With dead ends: 406 [2018-04-13 11:44:23,020 INFO L226 Difference]: Without dead ends: 406 [2018-04-13 11:44:23,020 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 634 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=420, Invalid=2442, Unknown=0, NotChecked=0, Total=2862 [2018-04-13 11:44:23,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2018-04-13 11:44:23,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 349. [2018-04-13 11:44:23,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2018-04-13 11:44:23,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 388 transitions. [2018-04-13 11:44:23,023 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 388 transitions. Word has length 70 [2018-04-13 11:44:23,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:44:23,023 INFO L459 AbstractCegarLoop]: Abstraction has 349 states and 388 transitions. [2018-04-13 11:44:23,023 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-13 11:44:23,023 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 388 transitions. [2018-04-13 11:44:23,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-04-13 11:44:23,023 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:44:23,023 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:44:23,024 INFO L408 AbstractCegarLoop]: === Iteration 67 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:44:23,024 INFO L82 PathProgramCache]: Analyzing trace with hash -1810236862, now seen corresponding path program 1 times [2018-04-13 11:44:23,024 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:44:23,024 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:44:23,024 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:44:23,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:44:23,024 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:44:23,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:44:23,032 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:44:23,034 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:44:23,034 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:44:23,034 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:44:23,034 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:44:23,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:44:23,081 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:44:23,097 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:23,098 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:23,098 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 24 [2018-04-13 11:44:23,098 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:23,105 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:23,105 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2018-04-13 11:44:23,118 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:44:23,119 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:44:23,119 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:23,120 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:23,130 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:44:23,131 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:44:23,132 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:23,133 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:23,141 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:23,141 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:46, output treesize:39 [2018-04-13 11:44:23,173 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 37 [2018-04-13 11:44:23,175 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:44:23,175 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:23,180 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:23,195 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 56 [2018-04-13 11:44:23,197 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:44:23,197 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:23,202 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:23,213 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:23,213 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:88, output treesize:72 [2018-04-13 11:44:23,277 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 52 [2018-04-13 11:44:23,279 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:23,279 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 35 [2018-04-13 11:44:23,279 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:23,289 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:23,309 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:23,310 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 81 [2018-04-13 11:44:23,312 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:23,312 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 35 [2018-04-13 11:44:23,313 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:23,324 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:23,336 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:23,336 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:102, output treesize:98 [2018-04-13 11:44:23,363 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:23,364 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:23,364 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:23,365 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 28 [2018-04-13 11:44:23,365 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:23,379 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:23,379 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:106, output treesize:99 [2018-04-13 11:44:23,406 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:44:23,408 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 107 [2018-04-13 11:44:23,410 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:23,411 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 80 [2018-04-13 11:44:23,411 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:23,433 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:23,452 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:23,452 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:23,453 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:23,454 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 134 [2018-04-13 11:44:23,457 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:23,469 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 102 treesize of output 132 [2018-04-13 11:44:23,470 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 11:44:23,496 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:23,507 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:23,507 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:118, output treesize:113 [2018-04-13 11:44:23,547 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:23,552 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 128 [2018-04-13 11:44:23,554 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:44:23,554 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:23,565 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:23,581 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:23,582 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:23,585 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 160 [2018-04-13 11:44:23,587 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:44:23,587 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:23,602 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:23,615 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:23,615 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:155, output treesize:135 [2018-04-13 11:44:23,712 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2018-04-13 11:44:23,712 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:23,736 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:23,738 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:23,739 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:23,742 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:23,742 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 357 treesize of output 280 [2018-04-13 11:44:23,745 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:23,750 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 64 treesize of output 143 [2018-04-13 11:44:23,750 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-13 11:44:23,785 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:44:23,834 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:23,834 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:23,836 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:44:23,839 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 271 treesize of output 314 [2018-04-13 11:44:23,840 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 52 [2018-04-13 11:44:23,841 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:23,856 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:23,858 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:23,859 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:23,864 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 301 treesize of output 339 [2018-04-13 11:44:23,866 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:23,866 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:44:23,866 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 112 [2018-04-13 11:44:23,866 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:23,886 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:23,925 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2018-04-13 11:44:23,925 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 6 variables, input treesize:390, output treesize:489 [2018-04-13 11:44:23,998 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:23,999 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:24,000 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:24,001 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:24,001 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:24,002 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:24,002 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 200 treesize of output 179 [2018-04-13 11:44:24,014 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 93 treesize of output 104 [2018-04-13 11:44:24,016 INFO L267 ElimStorePlain]: Start of recursive call 3: 10 dim-0 vars, End of recursive call: 10 dim-0 vars, and 7 xjuncts. [2018-04-13 11:44:24,047 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 79 [2018-04-13 11:44:24,048 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:24,059 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:44:24,059 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:24,068 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:24,078 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:24,078 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:212, output treesize:81 [2018-04-13 11:44:24,251 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 63 [2018-04-13 11:44:24,253 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:44:24,253 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:24,265 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:24,265 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:24,266 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:44:24,266 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 31 [2018-04-13 11:44:24,266 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:24,273 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-04-13 11:44:24,274 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:24,277 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:24,283 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:24,283 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 7 variables, input treesize:91, output treesize:3 [2018-04-13 11:44:24,348 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:44:24,348 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:44:24,349 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-04-13 11:44:24,349 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-13 11:44:24,349 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-13 11:44:24,349 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=554, Unknown=0, NotChecked=0, Total=650 [2018-04-13 11:44:24,349 INFO L87 Difference]: Start difference. First operand 349 states and 388 transitions. Second operand 26 states. [2018-04-13 11:44:26,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:44:26,539 INFO L93 Difference]: Finished difference Result 453 states and 500 transitions. [2018-04-13 11:44:26,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-04-13 11:44:26,539 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 71 [2018-04-13 11:44:26,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:44:26,540 INFO L225 Difference]: With dead ends: 453 [2018-04-13 11:44:26,540 INFO L226 Difference]: Without dead ends: 453 [2018-04-13 11:44:26,541 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 902 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=583, Invalid=2839, Unknown=0, NotChecked=0, Total=3422 [2018-04-13 11:44:26,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2018-04-13 11:44:26,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 381. [2018-04-13 11:44:26,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2018-04-13 11:44:26,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 428 transitions. [2018-04-13 11:44:26,543 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 428 transitions. Word has length 71 [2018-04-13 11:44:26,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:44:26,543 INFO L459 AbstractCegarLoop]: Abstraction has 381 states and 428 transitions. [2018-04-13 11:44:26,543 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-13 11:44:26,543 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 428 transitions. [2018-04-13 11:44:26,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-04-13 11:44:26,544 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:44:26,544 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:44:26,544 INFO L408 AbstractCegarLoop]: === Iteration 68 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:44:26,544 INFO L82 PathProgramCache]: Analyzing trace with hash -2141449021, now seen corresponding path program 1 times [2018-04-13 11:44:26,544 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:44:26,544 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:44:26,544 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:44:26,544 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:44:26,545 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:44:26,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:44:26,549 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:44:26,551 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:44:26,551 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:44:26,551 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:44:26,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:44:26,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:44:26,571 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:44:26,591 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:44:26,592 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:26,595 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:26,595 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 11:44:26,620 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:26,622 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:26,622 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2018-04-13 11:44:26,623 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:26,631 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-13 11:44:26,631 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:26,638 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:26,638 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:34, output treesize:27 [2018-04-13 11:44:26,651 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:44:26,653 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:44:26,653 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:26,654 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:26,666 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:44:26,667 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:44:26,667 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:26,668 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:26,678 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:26,678 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:49, output treesize:39 [2018-04-13 11:44:26,710 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 64 [2018-04-13 11:44:26,712 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:44:26,712 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:26,718 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:26,733 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-13 11:44:26,735 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:44:26,735 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:26,739 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:26,749 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:26,749 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:81, output treesize:65 [2018-04-13 11:44:26,816 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:26,817 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 81 [2018-04-13 11:44:26,821 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 37 [2018-04-13 11:44:26,821 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:26,831 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:26,849 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:26,852 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 42 [2018-04-13 11:44:26,854 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 25 [2018-04-13 11:44:26,855 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:26,860 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:26,871 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:26,871 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:107, output treesize:95 [2018-04-13 11:44:27,008 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:27,009 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:27,009 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 51 [2018-04-13 11:44:27,014 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 38 [2018-04-13 11:44:27,015 INFO L267 ElimStorePlain]: Start of recursive call 3: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-13 11:44:27,031 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:44:27,034 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 42 [2018-04-13 11:44:27,035 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-13 11:44:27,036 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:44:27,036 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 30 [2018-04-13 11:44:27,036 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:27,053 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-13 11:44:27,073 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 2 xjuncts. [2018-04-13 11:44:27,073 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:98, output treesize:113 [2018-04-13 11:44:27,156 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 35 [2018-04-13 11:44:27,157 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:44:27,157 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 11:44:27,157 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:27,164 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-13 11:44:27,164 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:27,167 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:27,176 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:27,176 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:66, output treesize:18 [2018-04-13 11:44:27,257 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:44:27,257 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:44:27,257 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-04-13 11:44:27,257 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-13 11:44:27,257 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-13 11:44:27,258 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=426, Unknown=1, NotChecked=0, Total=506 [2018-04-13 11:44:27,258 INFO L87 Difference]: Start difference. First operand 381 states and 428 transitions. Second operand 23 states. [2018-04-13 11:44:28,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:44:28,802 INFO L93 Difference]: Finished difference Result 417 states and 461 transitions. [2018-04-13 11:44:28,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-04-13 11:44:28,802 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 71 [2018-04-13 11:44:28,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:44:28,803 INFO L225 Difference]: With dead ends: 417 [2018-04-13 11:44:28,803 INFO L226 Difference]: Without dead ends: 417 [2018-04-13 11:44:28,803 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 393 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=405, Invalid=1574, Unknown=1, NotChecked=0, Total=1980 [2018-04-13 11:44:28,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2018-04-13 11:44:28,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 397. [2018-04-13 11:44:28,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2018-04-13 11:44:28,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 448 transitions. [2018-04-13 11:44:28,806 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 448 transitions. Word has length 71 [2018-04-13 11:44:28,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:44:28,806 INFO L459 AbstractCegarLoop]: Abstraction has 397 states and 448 transitions. [2018-04-13 11:44:28,806 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-13 11:44:28,806 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 448 transitions. [2018-04-13 11:44:28,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-04-13 11:44:28,806 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:44:28,806 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:44:28,806 INFO L408 AbstractCegarLoop]: === Iteration 69 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:44:28,806 INFO L82 PathProgramCache]: Analyzing trace with hash -392089380, now seen corresponding path program 1 times [2018-04-13 11:44:28,807 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:44:28,807 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:44:28,807 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:44:28,807 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:44:28,807 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:44:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:44:28,814 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:44:28,816 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:44:28,816 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:44:28,816 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:44:28,816 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:44:28,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:44:28,866 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:44:28,893 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:28,894 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:28,895 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 24 [2018-04-13 11:44:28,895 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:28,903 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:28,904 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2018-04-13 11:44:28,920 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:44:28,921 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:44:28,921 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:28,923 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:28,934 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:28,935 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:41, output treesize:35 [2018-04-13 11:44:28,981 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 43 [2018-04-13 11:44:28,983 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:44:28,983 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:28,989 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:28,999 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:29,000 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:56, output treesize:48 [2018-04-13 11:44:29,073 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 40 [2018-04-13 11:44:29,076 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2018-04-13 11:44:29,076 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:29,082 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:29,095 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:29,095 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:68, output treesize:51 [2018-04-13 11:44:31,118 WARN L148 SmtUtils]: Spent 2007ms on a formula simplification that was a NOOP. DAG size: 33 [2018-04-13 11:44:31,124 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:31,125 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:31,125 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:31,126 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:31,126 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 46 [2018-04-13 11:44:31,126 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:31,139 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:31,139 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:62, output treesize:72 [2018-04-13 11:44:33,162 WARN L148 SmtUtils]: Spent 2009ms on a formula simplification that was a NOOP. DAG size: 40 [2018-04-13 11:44:33,165 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:33,166 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:33,167 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 62 [2018-04-13 11:44:33,174 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 32 [2018-04-13 11:44:33,174 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 11:44:33,187 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:44:33,223 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-13 11:44:33,224 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:88, output treesize:130 [2018-04-13 11:44:33,282 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:33,285 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 62 [2018-04-13 11:44:33,287 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:44:33,287 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:33,293 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:33,303 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:33,303 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:81, output treesize:73 [2018-04-13 11:44:33,406 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 92 [2018-04-13 11:44:33,409 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:33,413 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 35 [2018-04-13 11:44:33,413 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 11:44:33,427 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:44:33,449 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2018-04-13 11:44:33,449 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:121, output treesize:164 [2018-04-13 11:44:33,496 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:33,497 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:33,498 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:33,498 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:33,499 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:33,499 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 87 [2018-04-13 11:44:33,499 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:33,517 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:33,517 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:86, output treesize:100 [2018-04-13 11:44:33,553 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:33,555 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 87 [2018-04-13 11:44:33,557 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2018-04-13 11:44:33,557 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:33,565 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:33,580 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:33,581 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:116, output treesize:97 [2018-04-13 11:44:33,652 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 98 [2018-04-13 11:44:33,653 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:44:33,653 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:33,662 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:44:33,678 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:33,678 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:118, output treesize:110 [2018-04-13 11:44:33,811 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 200 treesize of output 128 [2018-04-13 11:44:33,814 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:33,818 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 67 [2018-04-13 11:44:33,819 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 11:44:33,837 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:44:33,882 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 9 dim-0 vars, and 2 xjuncts. [2018-04-13 11:44:33,882 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:214, output treesize:370 [2018-04-13 11:44:41,948 WARN L148 SmtUtils]: Spent 8017ms on a formula simplification that was a NOOP. DAG size: 87 [2018-04-13 11:44:41,964 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 205 treesize of output 112 [2018-04-13 11:44:41,965 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2018-04-13 11:44:41,966 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:41,984 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:44:41,984 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 23 [2018-04-13 11:44:41,984 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:42,001 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:42,002 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:44:42,002 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2018-04-13 11:44:42,002 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:42,016 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2018-04-13 11:44:42,016 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:42,029 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:42,068 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 178 treesize of output 105 [2018-04-13 11:44:42,070 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2018-04-13 11:44:42,070 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:42,086 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:44:42,086 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 23 [2018-04-13 11:44:42,086 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:42,100 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:44:42,101 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-13 11:44:42,120 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2018-04-13 11:44:42,121 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:42,132 INFO L267 ElimStorePlain]: Start of recursive call 7: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:44:42,168 INFO L267 ElimStorePlain]: Start of recursive call 1: 13 dim-0 vars, 2 dim-2 vars, End of recursive call: 6 dim-0 vars, and 2 xjuncts. [2018-04-13 11:44:42,168 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 15 variables, input treesize:384, output treesize:91 [2018-04-13 11:44:42,356 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:44:42,356 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:44:42,356 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-13 11:44:42,356 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-13 11:44:42,356 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-13 11:44:42,356 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=693, Unknown=0, NotChecked=0, Total=812 [2018-04-13 11:44:42,357 INFO L87 Difference]: Start difference. First operand 397 states and 448 transitions. Second operand 29 states. [2018-04-13 11:44:44,921 WARN L148 SmtUtils]: Spent 2007ms on a formula simplification that was a NOOP. DAG size: 35 [2018-04-13 11:44:47,004 WARN L148 SmtUtils]: Spent 2010ms on a formula simplification that was a NOOP. DAG size: 42 [2018-04-13 11:45:03,992 WARN L151 SmtUtils]: Spent 16054ms on a formula simplification. DAG size of input: 116 DAG size of output 93 [2018-04-13 11:45:20,121 WARN L151 SmtUtils]: Spent 16050ms on a formula simplification. DAG size of input: 127 DAG size of output 96 [2018-04-13 11:45:28,325 WARN L148 SmtUtils]: Spent 8020ms on a formula simplification that was a NOOP. DAG size: 90 [2018-04-13 11:45:28,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:45:28,533 INFO L93 Difference]: Finished difference Result 525 states and 588 transitions. [2018-04-13 11:45:28,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-13 11:45:28,533 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 71 [2018-04-13 11:45:28,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:45:28,534 INFO L225 Difference]: With dead ends: 525 [2018-04-13 11:45:28,534 INFO L226 Difference]: Without dead ends: 525 [2018-04-13 11:45:28,535 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 872 ImplicationChecksByTransitivity, 57.9s TimeCoverageRelationStatistics Valid=458, Invalid=3082, Unknown=0, NotChecked=0, Total=3540 [2018-04-13 11:45:28,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2018-04-13 11:45:28,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 461. [2018-04-13 11:45:28,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461 states. [2018-04-13 11:45:28,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 521 transitions. [2018-04-13 11:45:28,539 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 521 transitions. Word has length 71 [2018-04-13 11:45:28,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:45:28,539 INFO L459 AbstractCegarLoop]: Abstraction has 461 states and 521 transitions. [2018-04-13 11:45:28,539 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-13 11:45:28,539 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 521 transitions. [2018-04-13 11:45:28,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-04-13 11:45:28,540 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:45:28,540 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:45:28,540 INFO L408 AbstractCegarLoop]: === Iteration 70 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:45:28,540 INFO L82 PathProgramCache]: Analyzing trace with hash -392089379, now seen corresponding path program 1 times [2018-04-13 11:45:28,540 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:45:28,540 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:45:28,540 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:45:28,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:45:28,540 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:45:28,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:45:28,548 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:45:28,550 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:45:28,551 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:45:28,551 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:45:28,551 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:45:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:45:28,628 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:45:28,629 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:45:28,630 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:45:28,632 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:45:28,632 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 11:45:28,646 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:45:28,646 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:45:28,647 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-13 11:45:28,647 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:45:28,656 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:45:28,656 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:45:28,663 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:45:28,664 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:35, output treesize:32 [2018-04-13 11:45:28,674 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:45:28,676 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:45:28,676 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:45:28,677 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:45:28,687 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:45:28,688 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:45:28,688 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:45:28,689 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:45:28,696 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:45:28,696 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:54, output treesize:48 [2018-04-13 11:45:28,724 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-13 11:45:28,725 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:45:28,726 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:45:28,729 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:45:28,743 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 65 [2018-04-13 11:45:28,744 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:45:28,744 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:45:28,750 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:45:28,759 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:45:28,759 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:90, output treesize:74 [2018-04-13 11:45:28,813 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 38 [2018-04-13 11:45:28,816 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 25 [2018-04-13 11:45:28,816 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:45:28,821 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:45:28,837 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 77 [2018-04-13 11:45:28,840 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2018-04-13 11:45:28,840 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:45:28,848 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:45:28,858 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:45:28,858 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:102, output treesize:85 [2018-04-13 11:45:30,880 WARN L148 SmtUtils]: Spent 2011ms on a formula simplification that was a NOOP. DAG size: 42 [2018-04-13 11:45:30,886 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:45:30,886 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 11:45:30,886 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:45:30,906 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:45:30,906 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:45:30,907 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:45:30,907 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 54 [2018-04-13 11:45:30,908 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:45:30,925 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:45:30,925 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:102, output treesize:111 [2018-04-13 11:45:32,959 WARN L148 SmtUtils]: Spent 2015ms on a formula simplification that was a NOOP. DAG size: 51 [2018-04-13 11:45:32,965 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 51 [2018-04-13 11:45:32,974 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 31 [2018-04-13 11:45:32,974 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 11:45:32,984 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:45:33,014 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:45:33,015 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 96 [2018-04-13 11:45:33,017 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2018-04-13 11:45:33,017 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:45:33,028 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:45:33,035 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:45:33,036 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 104 [2018-04-13 11:45:33,044 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 39 [2018-04-13 11:45:33,044 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-04-13 11:45:33,066 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:45:33,102 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:45:33,102 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:138, output treesize:189 [2018-04-13 11:45:33,176 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-13 11:45:33,177 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:45:33,177 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:45:33,181 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:45:33,199 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 106 [2018-04-13 11:45:33,200 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:45:33,201 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:45:33,210 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:45:33,223 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:45:33,223 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:125, output treesize:105 [2018-04-13 11:45:33,326 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 46 [2018-04-13 11:45:33,332 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 39 [2018-04-13 11:45:33,333 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 11:45:33,343 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:45:33,371 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:45:33,375 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 139 [2018-04-13 11:45:33,377 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2018-04-13 11:45:33,377 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:45:33,394 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:45:33,402 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 163 treesize of output 141 [2018-04-13 11:45:33,405 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:45:33,409 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 35 [2018-04-13 11:45:33,409 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-04-13 11:45:33,433 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:45:33,484 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-13 11:45:33,484 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:167, output treesize:273 [2018-04-13 11:45:33,579 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:45:33,580 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:45:33,580 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 74 [2018-04-13 11:45:33,580 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:45:33,603 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:45:33,604 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:45:33,604 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:45:33,605 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:45:33,605 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 61 [2018-04-13 11:45:33,605 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:45:33,622 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:45:33,623 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:142, output treesize:141 [2018-04-13 11:45:33,656 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:45:33,658 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 53 [2018-04-13 11:45:33,660 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2018-04-13 11:45:33,660 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:45:33,665 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:45:33,686 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:45:33,688 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:45:33,690 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 127 [2018-04-13 11:45:33,692 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2018-04-13 11:45:33,692 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:45:33,712 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:45:33,728 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:45:33,728 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:160, output treesize:147 [2018-04-13 11:45:33,804 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 83 [2018-04-13 11:45:33,805 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:45:33,805 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:45:33,813 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:45:33,837 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:45:33,845 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 186 treesize of output 173 [2018-04-13 11:45:33,847 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:45:33,847 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:45:33,867 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:45:33,888 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:45:33,888 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:196, output treesize:188 [2018-04-13 11:45:34,024 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 301 treesize of output 193 [2018-04-13 11:45:34,027 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:45:34,031 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 67 [2018-04-13 11:45:34,032 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 11:45:34,061 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:45:34,133 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 292 treesize of output 263 [2018-04-13 11:45:34,135 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:45:34,136 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 47 [2018-04-13 11:45:34,136 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:45:34,161 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:45:34,168 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 268 treesize of output 239 [2018-04-13 11:45:34,170 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 25 [2018-04-13 11:45:34,171 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:45:34,192 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:45:34,258 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 7 dim-0 vars, and 2 xjuncts. [2018-04-13 11:45:34,258 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:311, output treesize:513 [2018-04-13 11:45:40,395 WARN L148 SmtUtils]: Spent 6080ms on a formula simplification that was a NOOP. DAG size: 97 [2018-04-13 11:45:40,409 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 295 treesize of output 290 [2018-04-13 11:45:40,409 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:45:40,468 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 249 treesize of output 244 [2018-04-13 11:45:40,468 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:45:40,524 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 244 treesize of output 138 [2018-04-13 11:45:40,527 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 43 [2018-04-13 11:45:40,527 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:45:40,560 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 20 [2018-04-13 11:45:40,560 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 11:45:40,579 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 27 [2018-04-13 11:45:40,580 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:45:40,602 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:45:40,602 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 11:45:40,619 INFO L267 ElimStorePlain]: Start of recursive call 4: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:45:40,672 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 290 treesize of output 154 [2018-04-13 11:45:40,674 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2018-04-13 11:45:40,674 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:45:40,712 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:45:40,712 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:45:40,713 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2018-04-13 11:45:40,713 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-13 11:45:40,743 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 20 [2018-04-13 11:45:40,743 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-13 11:45:40,762 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 39 [2018-04-13 11:45:40,762 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:45:40,779 INFO L267 ElimStorePlain]: Start of recursive call 9: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:45:40,819 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 85 [2018-04-13 11:45:40,822 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-04-13 11:45:40,822 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-13 11:45:40,838 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-04-13 11:45:40,838 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-13 11:45:40,851 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-04-13 11:45:40,851 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-04-13 11:45:40,863 INFO L267 ElimStorePlain]: Start of recursive call 14: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:45:40,897 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 74 [2018-04-13 11:45:40,898 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-04-13 11:45:40,898 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-04-13 11:45:40,917 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-04-13 11:45:40,917 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-04-13 11:45:40,929 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:45:40,930 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-04-13 11:45:40,940 INFO L267 ElimStorePlain]: Start of recursive call 18: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:45:40,966 INFO L267 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 2 dim-1 vars, 4 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2018-04-13 11:45:40,966 INFO L202 ElimStorePlain]: Needed 21 recursive calls to eliminate 15 variables, input treesize:545, output treesize:63 [2018-04-13 11:45:41,091 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:45:41,091 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:45:41,092 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-13 11:45:41,092 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-13 11:45:41,092 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-13 11:45:41,092 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=727, Unknown=0, NotChecked=0, Total=812 [2018-04-13 11:45:41,092 INFO L87 Difference]: Start difference. First operand 461 states and 521 transitions. Second operand 29 states. [2018-04-13 11:45:43,593 WARN L148 SmtUtils]: Spent 2014ms on a formula simplification that was a NOOP. DAG size: 47 [2018-04-13 11:45:45,685 WARN L148 SmtUtils]: Spent 2019ms on a formula simplification that was a NOOP. DAG size: 56 [2018-04-13 11:46:00,796 WARN L151 SmtUtils]: Spent 13978ms on a formula simplification. DAG size of input: 107 DAG size of output 107 [2018-04-13 11:46:09,328 WARN L151 SmtUtils]: Spent 8422ms on a formula simplification. DAG size of input: 126 DAG size of output 112 [2018-04-13 11:46:15,746 WARN L151 SmtUtils]: Spent 6350ms on a formula simplification. DAG size of input: 125 DAG size of output 111 [2018-04-13 11:46:16,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:46:16,183 INFO L93 Difference]: Finished difference Result 532 states and 594 transitions. [2018-04-13 11:46:16,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-13 11:46:16,183 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 71 [2018-04-13 11:46:16,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:46:16,184 INFO L225 Difference]: With dead ends: 532 [2018-04-13 11:46:16,184 INFO L226 Difference]: Without dead ends: 532 [2018-04-13 11:46:16,184 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 829 ImplicationChecksByTransitivity, 44.7s TimeCoverageRelationStatistics Valid=339, Invalid=2960, Unknown=7, NotChecked=0, Total=3306 [2018-04-13 11:46:16,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2018-04-13 11:46:16,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 462. [2018-04-13 11:46:16,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2018-04-13 11:46:16,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 522 transitions. [2018-04-13 11:46:16,187 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 522 transitions. Word has length 71 [2018-04-13 11:46:16,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:46:16,187 INFO L459 AbstractCegarLoop]: Abstraction has 462 states and 522 transitions. [2018-04-13 11:46:16,187 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-13 11:46:16,187 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 522 transitions. [2018-04-13 11:46:16,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-04-13 11:46:16,188 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:46:16,188 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:46:16,188 INFO L408 AbstractCegarLoop]: === Iteration 71 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:46:16,188 INFO L82 PathProgramCache]: Analyzing trace with hash -1179984271, now seen corresponding path program 2 times [2018-04-13 11:46:16,188 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:46:16,188 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:46:16,188 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:46:16,188 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:46:16,189 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:46:16,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:46:16,194 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:46:16,195 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:46:16,195 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:46:16,196 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:46:16,196 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-13 11:46:16,225 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-13 11:46:16,225 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 11:46:16,228 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:46:16,237 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-04-13 11:46:16,238 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-13 11:46:16,238 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:16,239 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:16,242 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:16,242 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2018-04-13 11:46:16,256 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:16,257 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:16,257 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2018-04-13 11:46:16,257 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:16,262 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:16,262 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:26 [2018-04-13 11:46:16,275 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:46:16,276 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:46:16,277 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:16,278 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:16,285 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:46:16,287 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:46:16,287 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:16,289 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:16,297 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:16,297 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:45, output treesize:34 [2018-04-13 11:46:16,331 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 63 [2018-04-13 11:46:16,333 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2018-04-13 11:46:16,333 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:16,340 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:16,359 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 51 [2018-04-13 11:46:16,361 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2018-04-13 11:46:16,361 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:16,368 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:16,381 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:16,381 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:84, output treesize:68 [2018-04-13 11:46:16,410 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 43 [2018-04-13 11:46:16,412 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2018-04-13 11:46:16,412 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:16,420 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2018-04-13 11:46:16,420 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:16,424 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:16,433 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:16,433 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:76, output treesize:44 [2018-04-13 11:46:16,484 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:16,485 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 44 [2018-04-13 11:46:16,488 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:16,489 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 31 [2018-04-13 11:46:16,489 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:16,499 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:16,511 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:16,512 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:58, output treesize:46 [2018-04-13 11:46:16,543 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 32 [2018-04-13 11:46:16,544 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:46:16,545 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:16,561 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:16,579 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:16,579 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:59, output treesize:63 [2018-04-13 11:46:16,606 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 52 [2018-04-13 11:46:16,607 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2018-04-13 11:46:16,608 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:16,610 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:16,618 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:46:16,618 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:90, output treesize:59 [2018-04-13 11:46:16,688 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2018-04-13 11:46:16,689 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-13 11:46:16,689 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:16,690 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:16,697 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:46:16,697 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:66, output treesize:59 [2018-04-13 11:46:16,764 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:16,764 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 40 [2018-04-13 11:46:16,769 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 19 [2018-04-13 11:46:16,769 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:16,776 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:16,783 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 28 [2018-04-13 11:46:16,783 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-13 11:46:16,792 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:46:16,804 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:46:16,804 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:69, output treesize:26 [2018-04-13 11:46:16,853 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-04-13 11:46:16,857 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 10 [2018-04-13 11:46:16,857 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 11:46:16,859 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:46:16,861 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:46:16,861 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:10 [2018-04-13 11:46:16,918 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-13 11:46:16,918 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:46:16,918 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-04-13 11:46:16,919 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-13 11:46:16,919 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-13 11:46:16,919 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=561, Unknown=0, NotChecked=0, Total=650 [2018-04-13 11:46:16,919 INFO L87 Difference]: Start difference. First operand 462 states and 522 transitions. Second operand 26 states. [2018-04-13 11:46:17,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:46:17,869 INFO L93 Difference]: Finished difference Result 470 states and 525 transitions. [2018-04-13 11:46:17,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-04-13 11:46:17,870 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 72 [2018-04-13 11:46:17,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:46:17,871 INFO L225 Difference]: With dead ends: 470 [2018-04-13 11:46:17,871 INFO L226 Difference]: Without dead ends: 433 [2018-04-13 11:46:17,871 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 662 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=410, Invalid=2242, Unknown=0, NotChecked=0, Total=2652 [2018-04-13 11:46:17,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2018-04-13 11:46:17,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 427. [2018-04-13 11:46:17,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2018-04-13 11:46:17,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 482 transitions. [2018-04-13 11:46:17,873 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 482 transitions. Word has length 72 [2018-04-13 11:46:17,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:46:17,873 INFO L459 AbstractCegarLoop]: Abstraction has 427 states and 482 transitions. [2018-04-13 11:46:17,873 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-13 11:46:17,874 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 482 transitions. [2018-04-13 11:46:17,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-04-13 11:46:17,874 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:46:17,874 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:46:17,874 INFO L408 AbstractCegarLoop]: === Iteration 72 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:46:17,874 INFO L82 PathProgramCache]: Analyzing trace with hash -282767806, now seen corresponding path program 2 times [2018-04-13 11:46:17,874 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:46:17,874 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:46:17,875 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:46:17,875 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-13 11:46:17,875 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:46:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:46:17,882 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:46:17,884 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:46:17,884 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:46:17,884 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:46:17,884 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-13 11:46:17,921 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-13 11:46:17,921 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 11:46:17,924 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:46:17,926 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:46:17,926 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:17,928 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:17,928 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 11:46:17,942 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:17,942 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:17,943 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-13 11:46:17,943 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:17,947 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:17,947 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:20 [2018-04-13 11:46:17,966 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:46:17,967 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:46:17,967 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:17,968 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:17,977 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:46:17,978 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:46:17,978 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:17,979 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:17,986 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:17,986 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:47, output treesize:33 [2018-04-13 11:46:18,013 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 55 [2018-04-13 11:46:18,014 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:46:18,014 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:18,019 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:18,033 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 37 [2018-04-13 11:46:18,035 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:46:18,035 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:18,039 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:18,048 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:46:18,048 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:82, output treesize:66 [2018-04-13 11:46:18,105 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:18,106 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 57 [2018-04-13 11:46:18,108 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:18,108 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 31 [2018-04-13 11:46:18,108 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:18,116 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:18,136 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 64 [2018-04-13 11:46:18,138 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:18,138 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 31 [2018-04-13 11:46:18,138 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:18,147 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:18,162 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:46:18,162 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:104, output treesize:104 [2018-04-13 11:46:18,194 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:18,195 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:18,195 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:18,196 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 46 [2018-04-13 11:46:18,196 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:18,216 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:46:18,217 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:118, output treesize:128 [2018-04-13 11:46:18,255 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:18,257 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 78 [2018-04-13 11:46:18,259 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:18,260 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 34 [2018-04-13 11:46:18,260 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:18,269 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:18,295 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:18,296 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:18,296 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:18,297 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 120 [2018-04-13 11:46:18,302 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:18,317 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 76 treesize of output 88 [2018-04-13 11:46:18,317 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 11:46:18,345 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:18,363 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:46:18,363 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:152, output treesize:110 [2018-04-13 11:46:18,431 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:18,436 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 106 [2018-04-13 11:46:18,438 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:46:18,438 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:18,448 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:18,474 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:18,475 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:18,480 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 156 [2018-04-13 11:46:18,482 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:46:18,482 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:18,500 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:18,521 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:46:18,521 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:152, output treesize:154 [2018-04-13 11:46:18,641 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:18,652 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 177 [2018-04-13 11:46:18,655 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:18,655 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 44 [2018-04-13 11:46:18,655 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:18,671 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:18,703 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:18,707 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:18,708 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:18,709 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:18,709 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 233 treesize of output 221 [2018-04-13 11:46:18,712 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:18,717 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 71 [2018-04-13 11:46:18,717 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-13 11:46:18,755 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:46:18,815 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2018-04-13 11:46:18,815 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:238, output treesize:433 [2018-04-13 11:46:18,885 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 26 [2018-04-13 11:46:18,886 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2018-04-13 11:46:18,887 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:18,888 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:18,908 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:46:18,908 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:221, output treesize:209 [2018-04-13 11:46:19,021 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:19,022 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:19,023 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:19,023 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:19,024 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:19,024 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 212 treesize of output 169 [2018-04-13 11:46:19,037 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 92 treesize of output 101 [2018-04-13 11:46:19,039 INFO L267 ElimStorePlain]: Start of recursive call 3: 10 dim-0 vars, End of recursive call: 10 dim-0 vars, and 7 xjuncts. [2018-04-13 11:46:19,075 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 56 [2018-04-13 11:46:19,075 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:19,094 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:19,098 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 93 treesize of output 79 [2018-04-13 11:46:19,098 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:46:19,130 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:46:19,171 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 2 xjuncts. [2018-04-13 11:46:19,171 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:234, output treesize:217 [2018-04-13 11:46:19,259 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 108 [2018-04-13 11:46:19,264 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 20 [2018-04-13 11:46:19,264 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 11:46:19,282 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:46:19,362 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 116 treesize of output 120 [2018-04-13 11:46:19,364 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 105 [2018-04-13 11:46:19,364 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:19,429 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 94 [2018-04-13 11:46:19,430 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:19,487 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 112 treesize of output 110 [2018-04-13 11:46:19,487 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-04-13 11:46:19,554 INFO L267 ElimStorePlain]: Start of recursive call 4: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-13 11:46:19,676 INFO L267 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 2 dim-2 vars, End of recursive call: 20 dim-0 vars, and 5 xjuncts. [2018-04-13 11:46:19,676 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 11 variables, input treesize:229, output treesize:477 [2018-04-13 11:46:19,941 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-04-13 11:46:19,941 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:19,942 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:19,942 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:100, output treesize:1 [2018-04-13 11:46:19,978 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:46:19,978 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:46:19,978 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-04-13 11:46:19,978 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-13 11:46:19,978 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-13 11:46:19,979 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=559, Unknown=12, NotChecked=0, Total=650 [2018-04-13 11:46:19,979 INFO L87 Difference]: Start difference. First operand 427 states and 482 transitions. Second operand 26 states. [2018-04-13 11:46:21,906 WARN L151 SmtUtils]: Spent 198ms on a formula simplification. DAG size of input: 167 DAG size of output 165 [2018-04-13 11:46:22,890 WARN L151 SmtUtils]: Spent 854ms on a formula simplification. DAG size of input: 217 DAG size of output 201 [2018-04-13 11:46:26,358 WARN L151 SmtUtils]: Spent 3282ms on a formula simplification. DAG size of input: 221 DAG size of output 207 [2018-04-13 11:46:27,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:46:27,297 INFO L93 Difference]: Finished difference Result 493 states and 553 transitions. [2018-04-13 11:46:27,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-13 11:46:27,298 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 72 [2018-04-13 11:46:27,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:46:27,299 INFO L225 Difference]: With dead ends: 493 [2018-04-13 11:46:27,299 INFO L226 Difference]: Without dead ends: 490 [2018-04-13 11:46:27,299 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 636 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=348, Invalid=2367, Unknown=41, NotChecked=0, Total=2756 [2018-04-13 11:46:27,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2018-04-13 11:46:27,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 441. [2018-04-13 11:46:27,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2018-04-13 11:46:27,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 496 transitions. [2018-04-13 11:46:27,302 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 496 transitions. Word has length 72 [2018-04-13 11:46:27,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:46:27,302 INFO L459 AbstractCegarLoop]: Abstraction has 441 states and 496 transitions. [2018-04-13 11:46:27,302 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-13 11:46:27,302 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 496 transitions. [2018-04-13 11:46:27,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-04-13 11:46:27,303 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:46:27,303 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:46:27,303 INFO L408 AbstractCegarLoop]: === Iteration 73 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:46:27,303 INFO L82 PathProgramCache]: Analyzing trace with hash -1960410143, now seen corresponding path program 1 times [2018-04-13 11:46:27,303 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:46:27,303 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:46:27,304 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:46:27,304 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-13 11:46:27,304 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:46:27,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:46:27,310 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:46:27,312 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:46:27,312 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:46:27,312 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:46:27,312 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:46:27,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:46:27,334 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:46:27,345 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-04-13 11:46:27,346 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-13 11:46:27,346 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:27,347 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:27,350 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:27,350 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2018-04-13 11:46:27,364 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:27,364 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:27,365 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2018-04-13 11:46:27,365 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:27,370 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:27,370 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:26 [2018-04-13 11:46:27,380 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:46:27,381 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:46:27,381 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:27,382 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:27,391 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:46:27,392 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:46:27,392 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:27,393 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:27,399 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:27,400 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:48, output treesize:34 [2018-04-13 11:46:27,424 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-13 11:46:27,425 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:46:27,425 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:27,429 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:27,440 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 47 [2018-04-13 11:46:27,441 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:46:27,442 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:27,446 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:27,453 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:46:27,454 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:76, output treesize:60 [2018-04-13 11:46:27,512 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:27,512 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 53 [2018-04-13 11:46:27,515 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2018-04-13 11:46:27,515 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:27,522 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:27,541 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 53 [2018-04-13 11:46:27,543 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 25 [2018-04-13 11:46:27,543 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:27,549 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:27,561 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:46:27,562 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:93, output treesize:93 [2018-04-13 11:46:27,601 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:27,603 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 32 [2018-04-13 11:46:27,605 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:46:27,605 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:27,608 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:27,620 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:27,620 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:84, output treesize:88 [2018-04-13 11:46:27,657 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 52 [2018-04-13 11:46:27,659 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2018-04-13 11:46:27,659 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:27,662 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:27,670 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:46:27,671 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:115, output treesize:84 [2018-04-13 11:46:27,772 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:27,772 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 71 [2018-04-13 11:46:27,784 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 33 [2018-04-13 11:46:27,785 INFO L267 ElimStorePlain]: Start of recursive call 3: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-13 11:46:27,801 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:27,801 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 46 [2018-04-13 11:46:27,801 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:27,803 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:27,807 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 62 treesize of output 58 [2018-04-13 11:46:27,807 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-13 11:46:27,841 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-13 11:46:27,867 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2018-04-13 11:46:27,869 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2018-04-13 11:46:27,869 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:27,877 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:27,877 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-13 11:46:27,877 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:27,883 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:27,885 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2018-04-13 11:46:27,886 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2018-04-13 11:46:27,887 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:27,894 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:27,895 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-13 11:46:27,895 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:27,901 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:27,917 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:27,917 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 5 variables, input treesize:111, output treesize:11 [2018-04-13 11:46:27,938 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-04-13 11:46:27,941 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 10 [2018-04-13 11:46:27,942 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 11:46:27,943 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:46:27,946 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:46:27,946 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:20, output treesize:18 [2018-04-13 11:46:27,988 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-04-13 11:46:27,989 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:46:27,989 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-04-13 11:46:27,989 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-13 11:46:27,989 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-13 11:46:27,989 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=428, Unknown=2, NotChecked=0, Total=506 [2018-04-13 11:46:27,989 INFO L87 Difference]: Start difference. First operand 441 states and 496 transitions. Second operand 23 states. [2018-04-13 11:46:29,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:46:29,061 INFO L93 Difference]: Finished difference Result 405 states and 450 transitions. [2018-04-13 11:46:29,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-13 11:46:29,061 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 72 [2018-04-13 11:46:29,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:46:29,062 INFO L225 Difference]: With dead ends: 405 [2018-04-13 11:46:29,062 INFO L226 Difference]: Without dead ends: 378 [2018-04-13 11:46:29,062 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 347 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=351, Invalid=1450, Unknown=5, NotChecked=0, Total=1806 [2018-04-13 11:46:29,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2018-04-13 11:46:29,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 376. [2018-04-13 11:46:29,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2018-04-13 11:46:29,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 421 transitions. [2018-04-13 11:46:29,064 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 421 transitions. Word has length 72 [2018-04-13 11:46:29,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:46:29,064 INFO L459 AbstractCegarLoop]: Abstraction has 376 states and 421 transitions. [2018-04-13 11:46:29,064 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-13 11:46:29,064 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 421 transitions. [2018-04-13 11:46:29,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-04-13 11:46:29,065 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:46:29,065 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:46:29,065 INFO L408 AbstractCegarLoop]: === Iteration 74 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:46:29,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1442063940, now seen corresponding path program 1 times [2018-04-13 11:46:29,065 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:46:29,065 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:46:29,065 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:46:29,065 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:46:29,066 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:46:29,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:46:29,073 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:46:29,074 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:46:29,074 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:46:29,074 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:46:29,075 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:46:29,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:46:29,142 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:46:29,155 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:29,156 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:29,156 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 24 [2018-04-13 11:46:29,156 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:29,162 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:29,162 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2018-04-13 11:46:29,173 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:46:29,174 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:46:29,174 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:29,175 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:29,185 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:46:29,186 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:46:29,186 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:29,187 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:29,194 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:29,194 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:46, output treesize:39 [2018-04-13 11:46:29,224 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 64 [2018-04-13 11:46:29,226 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:46:29,226 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:29,232 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:29,246 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 37 [2018-04-13 11:46:29,247 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:46:29,248 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:29,251 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:29,261 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:46:29,261 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:88, output treesize:72 [2018-04-13 11:46:29,321 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 52 [2018-04-13 11:46:29,324 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:29,324 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 35 [2018-04-13 11:46:29,324 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:29,332 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:29,351 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:29,352 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 81 [2018-04-13 11:46:29,355 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:29,355 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 35 [2018-04-13 11:46:29,355 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:29,366 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:29,378 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:46:29,378 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:102, output treesize:98 [2018-04-13 11:46:29,407 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:46:29,407 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:29,425 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:29,426 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:29,426 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:29,427 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 28 [2018-04-13 11:46:29,427 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:29,441 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:46:29,441 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:112, output treesize:104 [2018-04-13 11:46:29,467 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:29,467 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:29,468 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:29,468 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 93 [2018-04-13 11:46:29,474 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:29,485 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 85 [2018-04-13 11:46:29,485 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 11:46:29,512 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:29,529 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:29,530 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:29,531 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 107 [2018-04-13 11:46:29,533 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:29,534 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 80 [2018-04-13 11:46:29,534 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:29,546 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:29,559 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:46:29,559 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:123, output treesize:152 [2018-04-13 11:46:29,611 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:29,612 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:29,613 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:29,614 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:29,617 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 191 treesize of output 215 [2018-04-13 11:46:29,619 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:46:29,619 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:29,637 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:29,658 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:29,658 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:29,663 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 169 [2018-04-13 11:46:29,664 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:46:29,664 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:29,677 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:29,693 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:46:29,693 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:194, output treesize:168 [2018-04-13 11:46:29,790 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:29,798 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 297 treesize of output 310 [2018-04-13 11:46:29,801 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:29,801 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 56 [2018-04-13 11:46:29,801 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:29,822 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:29,847 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:29,848 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:29,852 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:29,852 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:29,855 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:29,855 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 260 treesize of output 234 [2018-04-13 11:46:29,858 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:29,863 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 99 [2018-04-13 11:46:29,864 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-13 11:46:29,896 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:46:29,944 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-13 11:46:29,944 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:327, output treesize:495 [2018-04-13 11:46:30,148 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:30,149 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 62 [2018-04-13 11:46:30,149 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:30,167 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:46:30,167 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:334, output treesize:241 [2018-04-13 11:46:30,210 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:30,211 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:30,212 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:30,216 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 239 treesize of output 163 [2018-04-13 11:46:30,218 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:30,218 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2018-04-13 11:46:30,218 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:30,237 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 50 [2018-04-13 11:46:30,237 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:30,243 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-13 11:46:30,243 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:30,248 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:30,254 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:46:30,254 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:257, output treesize:63 [2018-04-13 11:46:30,315 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:30,316 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:30,317 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:30,325 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:30,326 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:30,326 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 60 [2018-04-13 11:46:30,329 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:30,339 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 19 treesize of output 43 [2018-04-13 11:46:30,341 INFO L267 ElimStorePlain]: Start of recursive call 3: 10 dim-0 vars, End of recursive call: 10 dim-0 vars, and 7 xjuncts. [2018-04-13 11:46:30,355 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2018-04-13 11:46:30,355 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:30,359 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2018-04-13 11:46:30,359 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:30,360 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:30,363 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:30,363 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:70, output treesize:5 [2018-04-13 11:46:30,412 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:46:30,413 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:46:30,413 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-04-13 11:46:30,413 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-13 11:46:30,413 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-13 11:46:30,413 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=665, Unknown=0, NotChecked=0, Total=756 [2018-04-13 11:46:30,413 INFO L87 Difference]: Start difference. First operand 376 states and 421 transitions. Second operand 28 states. [2018-04-13 11:46:32,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:46:32,538 INFO L93 Difference]: Finished difference Result 438 states and 485 transitions. [2018-04-13 11:46:32,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-13 11:46:32,538 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 73 [2018-04-13 11:46:32,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:46:32,539 INFO L225 Difference]: With dead ends: 438 [2018-04-13 11:46:32,539 INFO L226 Difference]: Without dead ends: 438 [2018-04-13 11:46:32,539 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 768 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=440, Invalid=2866, Unknown=0, NotChecked=0, Total=3306 [2018-04-13 11:46:32,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2018-04-13 11:46:32,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 379. [2018-04-13 11:46:32,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-04-13 11:46:32,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 424 transitions. [2018-04-13 11:46:32,541 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 424 transitions. Word has length 73 [2018-04-13 11:46:32,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:46:32,541 INFO L459 AbstractCegarLoop]: Abstraction has 379 states and 424 transitions. [2018-04-13 11:46:32,541 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-13 11:46:32,541 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 424 transitions. [2018-04-13 11:46:32,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-04-13 11:46:32,542 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:46:32,542 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:46:32,542 INFO L408 AbstractCegarLoop]: === Iteration 75 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:46:32,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1442063941, now seen corresponding path program 1 times [2018-04-13 11:46:32,542 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:46:32,542 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:46:32,542 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:46:32,542 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:46:32,543 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:46:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:46:32,550 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:46:32,552 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:46:32,552 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:46:32,552 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:46:32,553 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:46:32,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:46:32,599 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:46:32,611 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:32,612 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:32,612 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 24 [2018-04-13 11:46:32,612 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:32,617 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:32,617 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2018-04-13 11:46:32,629 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:46:32,630 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:46:32,630 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:32,631 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:32,641 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:46:32,642 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:46:32,642 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:32,643 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:32,651 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:32,651 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:49, output treesize:39 [2018-04-13 11:46:32,679 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-13 11:46:32,681 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:46:32,681 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:32,684 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:32,697 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 56 [2018-04-13 11:46:32,698 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:46:32,698 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:32,703 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:32,712 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:46:32,712 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:81, output treesize:65 [2018-04-13 11:46:32,770 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:32,771 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 62 [2018-04-13 11:46:32,773 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 29 [2018-04-13 11:46:32,773 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:32,780 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:32,797 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 74 [2018-04-13 11:46:32,799 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 35 [2018-04-13 11:46:32,800 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:32,813 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:32,825 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:46:32,826 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:98, output treesize:122 [2018-04-13 11:46:32,850 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:32,851 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:32,851 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:32,851 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-04-13 11:46:32,852 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:32,866 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:46:32,866 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:130, output treesize:123 [2018-04-13 11:46:32,890 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:32,891 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:32,892 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:32,892 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:32,893 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 131 [2018-04-13 11:46:32,914 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 7 case distinctions, treesize of input 91 treesize of output 91 [2018-04-13 11:46:32,915 INFO L267 ElimStorePlain]: Start of recursive call 3: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 6 xjuncts. [2018-04-13 11:46:32,954 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:46:32,982 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:32,983 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:32,985 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 101 [2018-04-13 11:46:32,987 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:32,987 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 57 [2018-04-13 11:46:32,987 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:32,997 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:32,999 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:33,000 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:33,002 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 70 [2018-04-13 11:46:33,003 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2018-04-13 11:46:33,003 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:33,012 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:33,034 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:46:33,034 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:142, output treesize:167 [2018-04-13 11:46:33,090 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:33,090 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:33,094 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 101 [2018-04-13 11:46:33,096 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:46:33,096 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:33,105 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:33,125 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:33,128 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 72 [2018-04-13 11:46:33,130 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:46:33,130 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:33,136 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:33,146 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:46:33,146 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:105, output treesize:85 [2018-04-13 11:46:33,248 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:33,251 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:33,253 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:33,254 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:33,255 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 163 [2018-04-13 11:46:33,258 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:33,263 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 79 [2018-04-13 11:46:33,263 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 11:46:33,289 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:46:33,321 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:33,321 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:33,328 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 157 [2018-04-13 11:46:33,329 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:33,330 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:33,330 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 50 [2018-04-13 11:46:33,330 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:33,344 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:33,346 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:33,347 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:33,348 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:33,352 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 160 [2018-04-13 11:46:33,354 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:33,354 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 32 [2018-04-13 11:46:33,354 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:33,367 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:33,395 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:46:33,395 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:174, output treesize:270 [2018-04-13 11:46:33,476 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 34 [2018-04-13 11:46:33,477 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 33 [2018-04-13 11:46:33,477 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:33,479 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:33,487 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:33,487 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:160, output treesize:141 [2018-04-13 11:46:33,579 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:33,580 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:33,580 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:33,581 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:33,582 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:33,582 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 161 treesize of output 144 [2018-04-13 11:46:33,601 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 57 [2018-04-13 11:46:33,602 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:33,620 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 47 [2018-04-13 11:46:33,620 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:33,627 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 63 [2018-04-13 11:46:33,627 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:46:33,634 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:46:33,642 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 54 [2018-04-13 11:46:33,644 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 29 [2018-04-13 11:46:33,644 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:33,651 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 18 [2018-04-13 11:46:33,651 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:33,655 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-04-13 11:46:33,655 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:33,658 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:33,663 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:33,663 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 3 variables, input treesize:168, output treesize:13 [2018-04-13 11:46:33,682 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-04-13 11:46:33,683 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-04-13 11:46:33,684 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:33,684 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:33,685 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:33,685 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2018-04-13 11:46:33,739 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:46:33,739 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:46:33,739 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-04-13 11:46:33,739 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-13 11:46:33,739 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-13 11:46:33,739 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=615, Unknown=0, NotChecked=0, Total=702 [2018-04-13 11:46:33,739 INFO L87 Difference]: Start difference. First operand 379 states and 424 transitions. Second operand 27 states. [2018-04-13 11:46:35,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:46:35,381 INFO L93 Difference]: Finished difference Result 487 states and 545 transitions. [2018-04-13 11:46:35,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-13 11:46:35,381 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 73 [2018-04-13 11:46:35,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:46:35,382 INFO L225 Difference]: With dead ends: 487 [2018-04-13 11:46:35,382 INFO L226 Difference]: Without dead ends: 487 [2018-04-13 11:46:35,383 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 737 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=420, Invalid=2772, Unknown=0, NotChecked=0, Total=3192 [2018-04-13 11:46:35,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2018-04-13 11:46:35,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 379. [2018-04-13 11:46:35,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-04-13 11:46:35,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 423 transitions. [2018-04-13 11:46:35,385 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 423 transitions. Word has length 73 [2018-04-13 11:46:35,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:46:35,385 INFO L459 AbstractCegarLoop]: Abstraction has 379 states and 423 transitions. [2018-04-13 11:46:35,385 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-13 11:46:35,385 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 423 transitions. [2018-04-13 11:46:35,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-04-13 11:46:35,385 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:46:35,385 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:46:35,385 INFO L408 AbstractCegarLoop]: === Iteration 76 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:46:35,386 INFO L82 PathProgramCache]: Analyzing trace with hash 1580427389, now seen corresponding path program 2 times [2018-04-13 11:46:35,386 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:46:35,386 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:46:35,386 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:46:35,386 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:46:35,386 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:46:35,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:46:35,394 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:46:35,397 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:46:35,397 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:46:35,397 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:46:35,397 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-13 11:46:35,427 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-13 11:46:35,427 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 11:46:35,429 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:46:35,431 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:46:35,431 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:35,435 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:46:35,435 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:35,437 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:35,437 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-13 11:46:35,446 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:46:35,447 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:46:35,447 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:35,447 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:35,451 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:35,451 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:28, output treesize:21 [2018-04-13 11:46:35,458 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-13 11:46:35,460 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:35,460 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 11:46:35,460 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:35,463 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:35,467 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:35,467 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:34, output treesize:30 [2018-04-13 11:46:35,487 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:35,487 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-13 11:46:35,487 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:35,498 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:35,498 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:35,498 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-13 11:46:35,499 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:35,506 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:35,506 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:50, output treesize:43 [2018-04-13 11:46:35,520 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:35,520 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 29 [2018-04-13 11:46:35,522 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:35,522 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 29 [2018-04-13 11:46:35,522 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:35,526 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:35,537 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:46:35,538 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:46:35,538 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:35,540 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:35,549 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:35,549 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:67, output treesize:53 [2018-04-13 11:46:35,586 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 64 [2018-04-13 11:46:35,587 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:46:35,588 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:35,593 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:35,609 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 39 [2018-04-13 11:46:35,610 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:46:35,610 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:35,614 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:35,632 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:46:35,632 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:95, output treesize:79 [2018-04-13 11:46:35,706 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:35,706 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 66 [2018-04-13 11:46:35,709 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 29 [2018-04-13 11:46:35,709 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:35,717 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:35,738 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 89 [2018-04-13 11:46:35,741 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 35 [2018-04-13 11:46:35,741 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:35,751 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:35,798 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:46:35,798 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:117, output treesize:140 [2018-04-13 11:46:35,831 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:35,832 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:35,832 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 54 [2018-04-13 11:46:35,832 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:35,860 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:35,861 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:35,861 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:35,862 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 56 [2018-04-13 11:46:35,862 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:35,894 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:46:35,894 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:160, output treesize:193 [2018-04-13 11:46:35,930 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:35,932 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 153 [2018-04-13 11:46:35,936 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 74 [2018-04-13 11:46:35,936 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:35,949 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:35,976 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:35,976 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:35,977 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:35,977 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 176 treesize of output 176 [2018-04-13 11:46:35,999 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 7 case distinctions, treesize of input 134 treesize of output 110 [2018-04-13 11:46:36,001 INFO L267 ElimStorePlain]: Start of recursive call 5: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 6 xjuncts. [2018-04-13 11:46:36,050 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:46:36,089 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:46:36,089 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:217, output treesize:241 [2018-04-13 11:46:36,197 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:36,205 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 87 [2018-04-13 11:46:36,206 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:46:36,207 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:36,217 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:36,240 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:36,241 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:36,245 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 124 [2018-04-13 11:46:36,247 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:46:36,247 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:36,260 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:36,279 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:46:36,280 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:156, output treesize:144 [2018-04-13 11:46:36,457 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:36,463 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 252 treesize of output 234 [2018-04-13 11:46:36,466 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:36,466 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:36,466 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 72 [2018-04-13 11:46:36,467 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:36,489 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:36,527 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:36,528 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:36,529 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:36,531 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:36,532 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 238 treesize of output 225 [2018-04-13 11:46:36,534 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:36,535 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:36,535 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 117 [2018-04-13 11:46:36,536 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:36,560 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:36,583 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:46:36,584 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:286, output treesize:238 [2018-04-13 11:46:36,647 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:36,648 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:36,648 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 45 [2018-04-13 11:46:36,648 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:36,669 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-13 11:46:36,670 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:247, output treesize:212 [2018-04-13 11:46:36,853 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:36,854 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:36,854 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:36,855 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:36,856 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:36,856 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:36,857 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:36,857 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 217 treesize of output 206 [2018-04-13 11:46:36,862 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:36,873 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 108 treesize of output 94 [2018-04-13 11:46:36,876 INFO L267 ElimStorePlain]: Start of recursive call 3: 17 dim-0 vars, End of recursive call: 17 dim-0 vars, and 7 xjuncts. [2018-04-13 11:46:36,977 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 133 treesize of output 148 [2018-04-13 11:46:36,978 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-13 11:46:36,980 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 124 [2018-04-13 11:46:36,980 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:36,985 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 125 treesize of output 140 [2018-04-13 11:46:36,985 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-04-13 11:46:36,991 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 129 treesize of output 144 [2018-04-13 11:46:36,992 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-04-13 11:46:36,993 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:36,994 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 140 [2018-04-13 11:46:36,994 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:37,000 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 119 treesize of output 134 [2018-04-13 11:46:37,000 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-04-13 11:46:37,002 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 118 [2018-04-13 11:46:37,002 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:37,204 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:37,204 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:37,210 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 142 treesize of output 128 [2018-04-13 11:46:37,211 INFO L267 ElimStorePlain]: Start of recursive call 11: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-13 11:46:37,215 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:37,223 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 142 treesize of output 132 [2018-04-13 11:46:37,224 INFO L267 ElimStorePlain]: Start of recursive call 12: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2018-04-13 11:46:37,227 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:37,237 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 138 treesize of output 128 [2018-04-13 11:46:37,238 INFO L267 ElimStorePlain]: Start of recursive call 13: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2018-04-13 11:46:37,240 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:37,240 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 102 [2018-04-13 11:46:37,240 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:46:37,244 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:37,252 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 134 treesize of output 124 [2018-04-13 11:46:37,253 INFO L267 ElimStorePlain]: Start of recursive call 15: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2018-04-13 11:46:37,255 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:37,255 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 102 [2018-04-13 11:46:37,262 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:46:37,265 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:37,273 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 134 treesize of output 124 [2018-04-13 11:46:37,274 INFO L267 ElimStorePlain]: Start of recursive call 17: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2018-04-13 11:46:37,933 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 32 dim-0 vars, and 16 xjuncts. [2018-04-13 11:46:38,395 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 94 [2018-04-13 11:46:38,397 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:38,397 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:38,397 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:38,398 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2018-04-13 11:46:38,398 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,417 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:38,418 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 17 [2018-04-13 11:46:38,418 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,431 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:38,431 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-04-13 11:46:38,431 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,441 INFO L267 ElimStorePlain]: Start of recursive call 18: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,445 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 86 [2018-04-13 11:46:38,446 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:38,447 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 34 [2018-04-13 11:46:38,447 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,466 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:38,467 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:38,467 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 22 [2018-04-13 11:46:38,467 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,482 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2018-04-13 11:46:38,482 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,492 INFO L267 ElimStorePlain]: Start of recursive call 22: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,495 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 88 [2018-04-13 11:46:38,497 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:38,497 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:38,497 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2018-04-13 11:46:38,497 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,514 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 19 [2018-04-13 11:46:38,514 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,525 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2018-04-13 11:46:38,525 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,535 INFO L267 ElimStorePlain]: Start of recursive call 26: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,538 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 94 [2018-04-13 11:46:38,540 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 42 [2018-04-13 11:46:38,540 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,556 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:38,557 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:38,557 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 31 [2018-04-13 11:46:38,557 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,571 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2018-04-13 11:46:38,571 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,580 INFO L267 ElimStorePlain]: Start of recursive call 30: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,584 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 84 [2018-04-13 11:46:38,585 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 42 [2018-04-13 11:46:38,586 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,602 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2018-04-13 11:46:38,602 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,624 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:38,624 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 22 [2018-04-13 11:46:38,624 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,635 INFO L267 ElimStorePlain]: Start of recursive call 34: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,638 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 86 [2018-04-13 11:46:38,640 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:38,641 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 34 [2018-04-13 11:46:38,641 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,659 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:38,659 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2018-04-13 11:46:38,660 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,673 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:38,674 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:38,674 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 25 [2018-04-13 11:46:38,674 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,685 INFO L267 ElimStorePlain]: Start of recursive call 38: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,688 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 82 [2018-04-13 11:46:38,690 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2018-04-13 11:46:38,690 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,707 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:38,708 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 29 [2018-04-13 11:46:38,708 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,723 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:38,723 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 22 [2018-04-13 11:46:38,723 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,733 INFO L267 ElimStorePlain]: Start of recursive call 42: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,737 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 82 [2018-04-13 11:46:38,738 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2018-04-13 11:46:38,739 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,756 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:38,756 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 26 [2018-04-13 11:46:38,756 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,770 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:38,771 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-04-13 11:46:38,771 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,782 INFO L267 ElimStorePlain]: Start of recursive call 46: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,785 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 86 [2018-04-13 11:46:38,787 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:38,788 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 34 [2018-04-13 11:46:38,788 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,807 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2018-04-13 11:46:38,807 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,821 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:38,822 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:38,822 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 25 [2018-04-13 11:46:38,822 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,833 INFO L267 ElimStorePlain]: Start of recursive call 50: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,843 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 86 [2018-04-13 11:46:38,845 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 42 [2018-04-13 11:46:38,845 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,863 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:38,865 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:38,865 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 31 [2018-04-13 11:46:38,865 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,890 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2018-04-13 11:46:38,891 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,900 INFO L267 ElimStorePlain]: Start of recursive call 54: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,903 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 92 [2018-04-13 11:46:38,905 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2018-04-13 11:46:38,905 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,924 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:38,925 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2018-04-13 11:46:38,925 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,938 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:38,938 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 22 [2018-04-13 11:46:38,939 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,949 INFO L267 ElimStorePlain]: Start of recursive call 58: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,952 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 84 [2018-04-13 11:46:38,954 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:38,954 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:38,955 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2018-04-13 11:46:38,955 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,971 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:38,972 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 22 [2018-04-13 11:46:38,972 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,983 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2018-04-13 11:46:38,983 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,992 INFO L267 ElimStorePlain]: Start of recursive call 62: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:38,995 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 86 [2018-04-13 11:46:39,004 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 42 [2018-04-13 11:46:39,005 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:39,025 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:39,026 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 36 [2018-04-13 11:46:39,026 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:39,044 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:39,045 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:39,045 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 25 [2018-04-13 11:46:39,045 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:39,056 INFO L267 ElimStorePlain]: Start of recursive call 66: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:39,060 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 82 [2018-04-13 11:46:39,061 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:39,062 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2018-04-13 11:46:39,062 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:39,085 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2018-04-13 11:46:39,085 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:39,107 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:39,107 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 19 [2018-04-13 11:46:39,107 INFO L267 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:39,118 INFO L267 ElimStorePlain]: Start of recursive call 70: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:39,121 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 90 [2018-04-13 11:46:39,123 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 42 [2018-04-13 11:46:39,123 INFO L267 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:39,146 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:39,146 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:39,147 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 31 [2018-04-13 11:46:39,147 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:39,164 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:39,165 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-04-13 11:46:39,165 INFO L267 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:39,177 INFO L267 ElimStorePlain]: Start of recursive call 74: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:39,181 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 84 [2018-04-13 11:46:39,183 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2018-04-13 11:46:39,183 INFO L267 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:39,203 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:39,204 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2018-04-13 11:46:39,204 INFO L267 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:39,220 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:39,220 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 22 [2018-04-13 11:46:39,221 INFO L267 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:39,240 INFO L267 ElimStorePlain]: Start of recursive call 78: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:39,486 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 32 dim-0 vars, and 16 xjuncts. [2018-04-13 11:46:39,487 INFO L202 ElimStorePlain]: Needed 81 recursive calls to eliminate 7 variables, input treesize:252, output treesize:542 [2018-04-13 11:46:39,643 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:46:39,643 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:46:39,643 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-04-13 11:46:39,643 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-13 11:46:39,643 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-13 11:46:39,643 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=546, Unknown=0, NotChecked=0, Total=650 [2018-04-13 11:46:39,643 INFO L87 Difference]: Start difference. First operand 379 states and 423 transitions. Second operand 26 states. [2018-04-13 11:46:42,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:46:42,525 INFO L93 Difference]: Finished difference Result 437 states and 482 transitions. [2018-04-13 11:46:42,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-13 11:46:42,525 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 73 [2018-04-13 11:46:42,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:46:42,526 INFO L225 Difference]: With dead ends: 437 [2018-04-13 11:46:42,526 INFO L226 Difference]: Without dead ends: 437 [2018-04-13 11:46:42,526 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 551 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=444, Invalid=2312, Unknown=0, NotChecked=0, Total=2756 [2018-04-13 11:46:42,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2018-04-13 11:46:42,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 379. [2018-04-13 11:46:42,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-04-13 11:46:42,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 421 transitions. [2018-04-13 11:46:42,529 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 421 transitions. Word has length 73 [2018-04-13 11:46:42,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:46:42,529 INFO L459 AbstractCegarLoop]: Abstraction has 379 states and 421 transitions. [2018-04-13 11:46:42,529 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-13 11:46:42,529 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 421 transitions. [2018-04-13 11:46:42,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-04-13 11:46:42,530 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:46:42,530 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:46:42,530 INFO L408 AbstractCegarLoop]: === Iteration 77 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:46:42,530 INFO L82 PathProgramCache]: Analyzing trace with hash 1624256835, now seen corresponding path program 1 times [2018-04-13 11:46:42,530 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:46:42,530 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:46:42,531 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:46:42,531 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-13 11:46:42,531 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:46:42,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:46:42,542 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:46:42,546 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:46:42,546 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:46:42,546 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:46:42,546 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:46:42,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:46:42,633 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:46:42,681 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:42,682 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:42,682 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 24 [2018-04-13 11:46:42,683 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:42,692 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:42,693 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:30 [2018-04-13 11:46:42,712 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:46:42,713 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:46:42,714 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:42,715 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:42,732 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:46:42,734 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:46:42,734 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:42,736 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:42,749 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:42,749 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:52, output treesize:42 [2018-04-13 11:46:42,786 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 64 [2018-04-13 11:46:42,789 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:46:42,789 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:42,795 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:42,811 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-13 11:46:42,812 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:46:42,812 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:42,816 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:42,828 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:46:42,828 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:84, output treesize:68 [2018-04-13 11:46:42,881 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:42,882 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 66 [2018-04-13 11:46:42,884 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 29 [2018-04-13 11:46:42,885 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:42,899 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:42,921 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 74 [2018-04-13 11:46:42,923 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:42,923 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 38 [2018-04-13 11:46:42,923 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:42,930 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:42,944 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:46:42,944 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:106, output treesize:121 [2018-04-13 11:46:42,971 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:42,972 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:42,972 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:42,973 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:42,973 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 59 [2018-04-13 11:46:42,974 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:42,994 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:46:42,994 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:135, output treesize:155 [2018-04-13 11:46:43,021 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:43,022 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:43,023 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:43,023 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:43,024 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 147 [2018-04-13 11:46:43,046 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 7 case distinctions, treesize of input 106 treesize of output 96 [2018-04-13 11:46:43,047 INFO L267 ElimStorePlain]: Start of recursive call 3: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 6 xjuncts. [2018-04-13 11:46:43,094 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:46:43,129 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:43,130 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:43,132 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 98 [2018-04-13 11:46:43,134 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:43,134 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 90 [2018-04-13 11:46:43,135 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:43,146 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:43,148 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:43,149 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:43,150 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 67 [2018-04-13 11:46:43,152 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2018-04-13 11:46:43,152 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:43,161 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:43,194 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-13 11:46:43,194 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:179, output treesize:203 [2018-04-13 11:46:43,269 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:43,269 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:43,274 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 98 [2018-04-13 11:46:43,276 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:46:43,276 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:43,286 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:43,305 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:43,309 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 72 [2018-04-13 11:46:43,310 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:46:43,311 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:43,317 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:43,333 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:46:43,333 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:123, output treesize:107 [2018-04-13 11:46:43,440 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:43,444 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:43,449 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 154 treesize of output 152 [2018-04-13 11:46:43,452 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:43,456 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 35 [2018-04-13 11:46:43,457 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 11:46:43,486 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:46:43,529 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:43,536 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 122 [2018-04-13 11:46:43,538 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:43,538 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:43,538 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 40 [2018-04-13 11:46:43,539 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:43,552 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:43,554 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:43,556 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:43,560 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 119 [2018-04-13 11:46:43,562 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 24 [2018-04-13 11:46:43,562 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:43,572 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:43,606 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-13 11:46:43,606 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:191, output treesize:239 [2018-04-13 11:46:43,666 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:43,667 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:43,668 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:43,668 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:43,669 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:43,669 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 71 [2018-04-13 11:46:43,669 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:43,697 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:46:43,698 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:115, output treesize:129 [2018-04-13 11:46:43,739 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:43,741 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:43,742 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:43,744 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 118 [2018-04-13 11:46:43,746 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 54 [2018-04-13 11:46:43,746 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:43,758 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:43,781 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:43,786 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 71 [2018-04-13 11:46:43,788 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-04-13 11:46:43,788 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:43,795 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:43,813 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:46:43,813 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:151, output treesize:115 [2018-04-13 11:46:43,895 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:43,899 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:43,903 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 146 [2018-04-13 11:46:43,905 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:46:43,905 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:43,921 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:43,944 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:43,949 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 80 [2018-04-13 11:46:43,950 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:46:43,950 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:43,957 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:43,975 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:46:43,975 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:157, output treesize:141 [2018-04-13 11:46:44,110 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:44,116 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 321 treesize of output 295 [2018-04-13 11:46:44,125 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 55 [2018-04-13 11:46:44,125 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 11:46:44,153 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:46:44,214 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:44,216 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:44,221 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:44,222 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 290 treesize of output 204 [2018-04-13 11:46:44,224 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 45 [2018-04-13 11:46:44,224 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:44,242 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:46:44,244 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:44,247 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:44,253 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 310 treesize of output 206 [2018-04-13 11:46:44,257 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:44,262 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 83 [2018-04-13 11:46:44,262 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-04-13 11:46:44,292 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:46:44,357 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 7 dim-0 vars, and 2 xjuncts. [2018-04-13 11:46:44,357 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:344, output treesize:551 [2018-04-13 11:46:52,442 WARN L148 SmtUtils]: Spent 8021ms on a formula simplification that was a NOOP. DAG size: 101 [2018-04-13 11:46:52,456 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:52,459 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 323 treesize of output 246 [2018-04-13 11:46:52,460 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2018-04-13 11:46:52,461 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:46:52,490 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2018-04-13 11:46:52,490 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:52,510 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:52,510 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 168 treesize of output 146 [2018-04-13 11:46:52,510 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:52,528 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:46:52,581 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:52,583 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 375 treesize of output 276 [2018-04-13 11:46:52,586 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:46:52,586 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2018-04-13 11:46:52,587 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:46:52,613 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2018-04-13 11:46:52,613 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:52,635 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:46:52,636 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 199 treesize of output 173 [2018-04-13 11:46:52,636 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-13 11:46:52,656 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:46:52,697 INFO L267 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 2 dim-2 vars, End of recursive call: 11 dim-0 vars, and 2 xjuncts. [2018-04-13 11:46:52,697 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 11 variables, input treesize:699, output treesize:374 [2018-04-13 11:46:58,751 WARN L148 SmtUtils]: Spent 6016ms on a formula simplification that was a NOOP. DAG size: 94 [2018-04-13 11:47:04,822 WARN L148 SmtUtils]: Spent 6019ms on a formula simplification that was a NOOP. DAG size: 94 [2018-04-13 11:47:04,840 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:47:04,841 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:47:04,841 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:47:04,842 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:47:04,843 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:47:04,847 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 201 treesize of output 137 [2018-04-13 11:47:04,850 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:47:04,854 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 39 [2018-04-13 11:47:04,855 INFO L267 ElimStorePlain]: Start of recursive call 3: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-13 11:47:04,886 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 74 [2018-04-13 11:47:04,886 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-13 11:47:04,887 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 58 [2018-04-13 11:47:04,887 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:47:04,920 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 63 [2018-04-13 11:47:04,921 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:47:04,922 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 63 [2018-04-13 11:47:04,922 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:47:04,949 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 46 [2018-04-13 11:47:04,949 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 11:47:04,950 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 46 [2018-04-13 11:47:04,951 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-13 11:47:04,976 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2018-04-13 11:47:05,030 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:47:05,030 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:47:05,031 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:47:05,031 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:47:05,036 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 122 [2018-04-13 11:47:05,038 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:47:05,042 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 39 [2018-04-13 11:47:05,043 INFO L267 ElimStorePlain]: Start of recursive call 11: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-13 11:47:05,070 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 47 [2018-04-13 11:47:05,070 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 2 xjuncts. [2018-04-13 11:47:05,071 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 35 [2018-04-13 11:47:05,072 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-13 11:47:05,100 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 40 [2018-04-13 11:47:05,100 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:47:05,101 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 40 [2018-04-13 11:47:05,102 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:47:05,126 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:47:05,126 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-13 11:47:05,152 INFO L267 ElimStorePlain]: Start of recursive call 10: 4 dim-1 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2018-04-13 11:47:05,220 INFO L267 ElimStorePlain]: Start of recursive call 1: 11 dim-0 vars, 2 dim-2 vars, End of recursive call: 12 dim-0 vars, and 4 xjuncts. [2018-04-13 11:47:05,221 INFO L202 ElimStorePlain]: Needed 16 recursive calls to eliminate 13 variables, input treesize:376, output treesize:181 [2018-04-13 11:47:05,330 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:47:05,331 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:47:05,331 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-13 11:47:05,331 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-13 11:47:05,331 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-13 11:47:05,331 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=751, Unknown=3, NotChecked=0, Total=870 [2018-04-13 11:47:05,331 INFO L87 Difference]: Start difference. First operand 379 states and 421 transitions. Second operand 30 states. [2018-04-13 11:47:14,995 WARN L148 SmtUtils]: Spent 8024ms on a formula simplification that was a NOOP. DAG size: 104 [2018-04-13 11:47:29,273 WARN L148 SmtUtils]: Spent 14063ms on a formula simplification that was a NOOP. DAG size: 174 [2018-04-13 11:47:43,434 WARN L148 SmtUtils]: Spent 14062ms on a formula simplification that was a NOOP. DAG size: 174 [2018-04-13 11:48:11,914 WARN L151 SmtUtils]: Spent 28203ms on a formula simplification. DAG size of input: 197 DAG size of output 177 [2018-04-13 11:48:26,410 WARN L151 SmtUtils]: Spent 14055ms on a formula simplification. DAG size of input: 130 DAG size of output 107 [2018-04-13 11:48:26,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:48:26,492 INFO L93 Difference]: Finished difference Result 434 states and 478 transitions. [2018-04-13 11:48:26,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-13 11:48:26,492 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 75 [2018-04-13 11:48:26,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:48:26,493 INFO L225 Difference]: With dead ends: 434 [2018-04-13 11:48:26,493 INFO L226 Difference]: Without dead ends: 434 [2018-04-13 11:48:26,493 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 854 ImplicationChecksByTransitivity, 100.4s TimeCoverageRelationStatistics Valid=438, Invalid=3212, Unknown=10, NotChecked=0, Total=3660 [2018-04-13 11:48:26,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2018-04-13 11:48:26,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 379. [2018-04-13 11:48:26,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-04-13 11:48:26,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 420 transitions. [2018-04-13 11:48:26,496 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 420 transitions. Word has length 75 [2018-04-13 11:48:26,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:48:26,496 INFO L459 AbstractCegarLoop]: Abstraction has 379 states and 420 transitions. [2018-04-13 11:48:26,496 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-13 11:48:26,496 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 420 transitions. [2018-04-13 11:48:26,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-04-13 11:48:26,496 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:48:26,496 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:48:26,496 INFO L408 AbstractCegarLoop]: === Iteration 78 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:48:26,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1624256836, now seen corresponding path program 1 times [2018-04-13 11:48:26,497 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:48:26,497 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:48:26,497 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:48:26,497 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:48:26,497 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:48:26,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:48:26,511 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:48:26,513 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:48:26,514 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:48:26,514 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:48:26,514 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:48:26,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:48:26,575 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:48:26,591 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:26,592 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:26,592 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-13 11:48:26,592 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:26,600 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:26,600 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2018-04-13 11:48:26,619 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:48:26,620 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:48:26,620 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:26,621 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:26,630 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:48:26,631 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:48:26,631 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:26,632 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:26,639 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:26,639 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:46, output treesize:39 [2018-04-13 11:48:26,664 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-13 11:48:26,666 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:48:26,666 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:26,669 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:26,681 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 56 [2018-04-13 11:48:26,682 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:48:26,683 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:26,687 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:26,696 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:26,696 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:81, output treesize:65 [2018-04-13 11:48:26,756 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 45 [2018-04-13 11:48:26,758 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 29 [2018-04-13 11:48:26,758 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:26,764 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:26,780 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:26,781 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 81 [2018-04-13 11:48:26,783 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 29 [2018-04-13 11:48:26,783 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:26,791 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:26,801 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:26,801 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:103, output treesize:91 [2018-04-13 11:48:26,828 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:48:26,828 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:26,848 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:26,848 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:26,849 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:26,849 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 58 [2018-04-13 11:48:26,849 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:26,867 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:26,868 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:111, output treesize:122 [2018-04-13 11:48:26,901 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:26,901 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:26,902 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:26,903 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 111 [2018-04-13 11:48:26,929 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 90 [2018-04-13 11:48:26,930 INFO L267 ElimStorePlain]: Start of recursive call 3: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 6 xjuncts. [2018-04-13 11:48:26,962 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:48:26,997 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:26,998 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:48:26,999 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 116 [2018-04-13 11:48:27,001 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:27,002 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 80 [2018-04-13 11:48:27,002 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:27,014 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:27,016 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:27,017 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:48:27,019 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 83 [2018-04-13 11:48:27,020 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:48:27,021 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2018-04-13 11:48:27,021 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:27,031 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:27,063 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:48:27,063 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:146, output treesize:273 [2018-04-13 11:48:27,139 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:27,139 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:27,140 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:27,141 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:27,145 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 143 [2018-04-13 11:48:27,147 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:48:27,147 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:27,161 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:27,177 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:27,178 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:27,182 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 110 [2018-04-13 11:48:27,183 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:48:27,184 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:27,194 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:27,206 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:27,206 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:146, output treesize:118 [2018-04-13 11:48:27,314 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:27,317 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:27,322 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 186 treesize of output 180 [2018-04-13 11:48:27,325 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:27,330 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 35 [2018-04-13 11:48:27,330 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 11:48:27,355 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:48:27,404 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:27,411 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 176 treesize of output 207 [2018-04-13 11:48:27,413 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:27,413 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:48:27,414 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 40 [2018-04-13 11:48:27,414 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:27,434 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:27,436 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:27,443 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:48:27,447 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 168 treesize of output 200 [2018-04-13 11:48:27,449 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 24 [2018-04-13 11:48:27,449 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:27,467 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:27,512 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:48:27,512 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:212, output treesize:375 [2018-04-13 11:48:27,589 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:27,590 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 47 [2018-04-13 11:48:27,590 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:27,616 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:27,617 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:27,618 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:27,618 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:27,619 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:27,619 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 139 [2018-04-13 11:48:27,620 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:27,648 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:27,648 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:190, output treesize:219 [2018-04-13 11:48:27,699 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:27,699 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:27,702 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:27,702 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:27,704 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 203 treesize of output 193 [2018-04-13 11:48:27,707 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 161 treesize of output 135 [2018-04-13 11:48:27,707 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:27,727 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:27,756 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:27,760 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 136 [2018-04-13 11:48:27,763 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-04-13 11:48:27,763 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:27,774 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:27,795 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:27,795 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:241, output treesize:181 [2018-04-13 11:48:27,889 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:27,890 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:27,897 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 212 [2018-04-13 11:48:27,899 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:48:27,899 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:27,925 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:27,956 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:27,964 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 163 [2018-04-13 11:48:27,966 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:48:27,966 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:27,981 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:28,005 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:28,006 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:230, output treesize:202 [2018-04-13 11:48:28,213 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:28,217 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:28,223 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 414 treesize of output 274 [2018-04-13 11:48:28,226 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:28,231 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 83 [2018-04-13 11:48:28,231 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 11:48:28,275 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:48:28,377 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:28,386 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 369 treesize of output 334 [2018-04-13 11:48:28,389 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 29 [2018-04-13 11:48:28,389 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:28,418 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:28,425 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:28,434 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 401 treesize of output 366 [2018-04-13 11:48:28,436 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:28,437 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 55 [2018-04-13 11:48:28,437 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:28,470 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:28,554 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2018-04-13 11:48:28,555 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:429, output treesize:721 [2018-04-13 11:48:28,682 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:28,683 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 342 treesize of output 298 [2018-04-13 11:48:28,683 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:28,748 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:28,748 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 400 treesize of output 392 [2018-04-13 11:48:28,749 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:28,806 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 2 dim-1 vars, End of recursive call: 7 dim-0 vars, and 2 xjuncts. [2018-04-13 11:48:28,806 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 9 variables, input treesize:743, output treesize:639 [2018-04-13 11:48:28,983 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:28,986 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:28,988 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 313 treesize of output 193 [2018-04-13 11:48:28,990 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:48:28,990 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:29,013 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 54 [2018-04-13 11:48:29,013 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:29,033 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 33 [2018-04-13 11:48:29,034 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:29,053 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 32 [2018-04-13 11:48:29,053 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:29,070 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:29,121 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 78 [2018-04-13 11:48:29,122 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:48:29,122 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:29,137 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2018-04-13 11:48:29,138 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:29,151 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-13 11:48:29,152 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:29,164 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-13 11:48:29,164 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:29,173 INFO L267 ElimStorePlain]: Start of recursive call 7: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:29,215 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:29,218 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:29,219 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 364 treesize of output 206 [2018-04-13 11:48:29,221 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2018-04-13 11:48:29,222 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:29,249 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 65 [2018-04-13 11:48:29,249 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:29,275 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 40 [2018-04-13 11:48:29,276 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:29,296 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 46 [2018-04-13 11:48:29,296 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:29,315 INFO L267 ElimStorePlain]: Start of recursive call 12: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:29,352 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 89 [2018-04-13 11:48:29,353 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 16 [2018-04-13 11:48:29,353 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:29,371 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-04-13 11:48:29,372 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:29,386 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-13 11:48:29,387 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:29,407 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2018-04-13 11:48:29,407 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:29,417 INFO L267 ElimStorePlain]: Start of recursive call 17: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:29,439 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 4 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-13 11:48:29,439 INFO L202 ElimStorePlain]: Needed 21 recursive calls to eliminate 11 variables, input treesize:685, output treesize:37 [2018-04-13 11:48:29,535 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:48:29,536 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:48:29,536 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-13 11:48:29,536 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-13 11:48:29,536 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-13 11:48:29,536 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=754, Unknown=0, NotChecked=0, Total=870 [2018-04-13 11:48:29,536 INFO L87 Difference]: Start difference. First operand 379 states and 420 transitions. Second operand 30 states. [2018-04-13 11:48:32,004 WARN L151 SmtUtils]: Spent 198ms on a formula simplification. DAG size of input: 198 DAG size of output 191 [2018-04-13 11:48:32,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:48:32,428 INFO L93 Difference]: Finished difference Result 433 states and 477 transitions. [2018-04-13 11:48:32,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-13 11:48:32,428 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 75 [2018-04-13 11:48:32,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:48:32,429 INFO L225 Difference]: With dead ends: 433 [2018-04-13 11:48:32,429 INFO L226 Difference]: Without dead ends: 433 [2018-04-13 11:48:32,429 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 826 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=427, Invalid=3109, Unknown=4, NotChecked=0, Total=3540 [2018-04-13 11:48:32,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2018-04-13 11:48:32,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 376. [2018-04-13 11:48:32,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2018-04-13 11:48:32,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 416 transitions. [2018-04-13 11:48:32,432 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 416 transitions. Word has length 75 [2018-04-13 11:48:32,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:48:32,432 INFO L459 AbstractCegarLoop]: Abstraction has 376 states and 416 transitions. [2018-04-13 11:48:32,432 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-13 11:48:32,432 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 416 transitions. [2018-04-13 11:48:32,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-04-13 11:48:32,432 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:48:32,432 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:48:32,432 INFO L408 AbstractCegarLoop]: === Iteration 79 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:48:32,432 INFO L82 PathProgramCache]: Analyzing trace with hash 639105227, now seen corresponding path program 1 times [2018-04-13 11:48:32,432 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:48:32,432 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:48:32,433 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:48:32,433 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:48:32,433 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:48:32,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:48:32,437 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:48:32,466 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-04-13 11:48:32,467 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:48:32,467 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:48:32,467 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:48:32,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:48:32,474 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:48:32,485 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-04-13 11:48:32,486 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-13 11:48:32,486 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:32,487 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:32,487 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:32,487 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2018-04-13 11:48:32,490 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-04-13 11:48:32,490 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-13 11:48:32,490 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 10 [2018-04-13 11:48:32,490 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-13 11:48:32,491 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-13 11:48:32,491 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-04-13 11:48:32,491 INFO L87 Difference]: Start difference. First operand 376 states and 416 transitions. Second operand 11 states. [2018-04-13 11:48:32,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:48:32,663 INFO L93 Difference]: Finished difference Result 425 states and 465 transitions. [2018-04-13 11:48:32,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-13 11:48:32,663 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 76 [2018-04-13 11:48:32,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:48:32,664 INFO L225 Difference]: With dead ends: 425 [2018-04-13 11:48:32,664 INFO L226 Difference]: Without dead ends: 425 [2018-04-13 11:48:32,664 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2018-04-13 11:48:32,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2018-04-13 11:48:32,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 376. [2018-04-13 11:48:32,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2018-04-13 11:48:32,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 415 transitions. [2018-04-13 11:48:32,666 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 415 transitions. Word has length 76 [2018-04-13 11:48:32,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:48:32,666 INFO L459 AbstractCegarLoop]: Abstraction has 376 states and 415 transitions. [2018-04-13 11:48:32,666 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-13 11:48:32,666 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 415 transitions. [2018-04-13 11:48:32,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-04-13 11:48:32,667 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:48:32,667 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:48:32,667 INFO L408 AbstractCegarLoop]: === Iteration 80 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:48:32,667 INFO L82 PathProgramCache]: Analyzing trace with hash -233254117, now seen corresponding path program 1 times [2018-04-13 11:48:32,667 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:48:32,667 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:48:32,667 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:48:32,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:48:32,668 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:48:32,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:48:32,676 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:48:32,680 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:48:32,680 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:48:32,680 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:48:32,680 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:48:32,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:48:32,715 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:48:32,728 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:32,728 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:32,729 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-13 11:48:32,729 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:32,735 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:32,735 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2018-04-13 11:48:32,746 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:48:32,747 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:48:32,747 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:32,748 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:32,758 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:48:32,759 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:48:32,760 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:32,761 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:32,768 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:32,768 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:49, output treesize:39 [2018-04-13 11:48:32,780 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-04-13 11:48:32,781 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-13 11:48:32,782 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:32,783 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:32,790 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:32,790 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:53, output treesize:42 [2018-04-13 11:48:32,806 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 43 [2018-04-13 11:48:32,807 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:48:32,807 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:32,811 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:32,819 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:32,819 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:56, output treesize:48 [2018-04-13 11:48:32,878 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 44 [2018-04-13 11:48:32,880 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2018-04-13 11:48:32,880 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:32,885 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:32,891 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:32,892 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:60, output treesize:48 [2018-04-13 11:48:32,909 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 14 [2018-04-13 11:48:32,910 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:48:32,911 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:32,912 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:32,920 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:32,920 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:61, output treesize:61 [2018-04-13 11:48:32,942 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:32,942 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:32,943 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:32,943 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 28 [2018-04-13 11:48:32,943 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:32,954 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:32,954 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:69, output treesize:62 [2018-04-13 11:48:32,976 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 12 [2018-04-13 11:48:32,978 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-13 11:48:32,978 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:32,979 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:32,994 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:32,995 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 70 [2018-04-13 11:48:33,002 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 27 [2018-04-13 11:48:33,002 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-13 11:48:33,015 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:48:33,036 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:48:33,037 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:81, output treesize:134 [2018-04-13 11:48:33,115 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 115 [2018-04-13 11:48:33,117 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:48:33,117 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:33,132 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:33,177 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 118 [2018-04-13 11:48:33,179 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:48:33,179 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:33,192 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:33,230 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 118 [2018-04-13 11:48:33,231 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:48:33,232 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:33,250 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:33,286 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 109 [2018-04-13 11:48:33,287 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:48:33,288 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:33,308 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:33,340 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-13 11:48:33,340 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 6 variables, input treesize:236, output treesize:196 [2018-04-13 11:48:33,394 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 131 [2018-04-13 11:48:33,396 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:48:33,396 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:33,411 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-04-13 11:48:33,411 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:33,422 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:33,452 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 118 [2018-04-13 11:48:33,453 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:48:33,454 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:33,465 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-04-13 11:48:33,465 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:33,475 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:33,502 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2018-04-13 11:48:33,502 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 7 variables, input treesize:294, output treesize:222 [2018-04-13 11:48:33,592 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:33,593 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 114 [2018-04-13 11:48:33,597 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:33,601 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 43 [2018-04-13 11:48:33,601 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 11:48:33,624 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:48:33,683 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:33,685 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 114 [2018-04-13 11:48:33,688 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:33,692 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 43 [2018-04-13 11:48:33,692 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-13 11:48:33,714 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:48:33,779 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 8 dim-0 vars, and 4 xjuncts. [2018-04-13 11:48:33,779 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 7 variables, input treesize:250, output treesize:365 [2018-04-13 11:48:33,869 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:33,871 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 117 [2018-04-13 11:48:33,873 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2018-04-13 11:48:33,873 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:33,885 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:33,915 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:33,917 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 104 [2018-04-13 11:48:33,919 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2018-04-13 11:48:33,919 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:33,930 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:33,960 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-13 11:48:33,960 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:196, output treesize:204 [2018-04-13 11:48:34,020 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 92 [2018-04-13 11:48:34,022 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2018-04-13 11:48:34,022 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:34,029 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:34,052 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 105 [2018-04-13 11:48:34,053 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2018-04-13 11:48:34,053 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:34,062 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:34,081 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-13 11:48:34,081 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:260, output treesize:182 [2018-04-13 11:48:34,127 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:34,127 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 110 [2018-04-13 11:48:34,127 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:34,154 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:34,154 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 97 [2018-04-13 11:48:34,154 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:34,177 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-13 11:48:34,177 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:220, output treesize:184 [2018-04-13 11:48:34,405 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:34,407 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:34,408 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 83 [2018-04-13 11:48:34,413 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 10 treesize of output 15 [2018-04-13 11:48:34,413 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:34,423 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2018-04-13 11:48:34,423 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:34,438 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 36 [2018-04-13 11:48:34,439 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:34,445 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:34,464 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:34,465 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:34,467 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 90 [2018-04-13 11:48:34,472 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 10 treesize of output 15 [2018-04-13 11:48:34,473 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:34,489 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 40 [2018-04-13 11:48:34,489 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:34,498 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 28 [2018-04-13 11:48:34,499 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:34,507 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:34,523 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 52 [2018-04-13 11:48:34,524 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2018-04-13 11:48:34,524 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:34,531 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:34,545 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 46 [2018-04-13 11:48:34,546 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2018-04-13 11:48:34,547 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:34,551 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:34,564 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 4 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2018-04-13 11:48:34,564 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 9 variables, input treesize:214, output treesize:60 [2018-04-13 11:48:34,623 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 29 [2018-04-13 11:48:34,627 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 19 [2018-04-13 11:48:34,627 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 11:48:34,634 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 4 [2018-04-13 11:48:34,634 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:34,636 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:34,638 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:34,638 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:37, output treesize:4 [2018-04-13 11:48:34,706 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:48:34,706 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:48:34,706 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-04-13 11:48:34,706 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-13 11:48:34,706 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-13 11:48:34,706 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=770, Unknown=0, NotChecked=0, Total=870 [2018-04-13 11:48:34,706 INFO L87 Difference]: Start difference. First operand 376 states and 415 transitions. Second operand 30 states. [2018-04-13 11:48:35,863 WARN L151 SmtUtils]: Spent 118ms on a formula simplification. DAG size of input: 111 DAG size of output 109 [2018-04-13 11:48:37,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:48:37,310 INFO L93 Difference]: Finished difference Result 480 states and 531 transitions. [2018-04-13 11:48:37,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-13 11:48:37,310 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 80 [2018-04-13 11:48:37,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:48:37,311 INFO L225 Difference]: With dead ends: 480 [2018-04-13 11:48:37,311 INFO L226 Difference]: Without dead ends: 480 [2018-04-13 11:48:37,312 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 814 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=423, Invalid=3117, Unknown=0, NotChecked=0, Total=3540 [2018-04-13 11:48:37,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2018-04-13 11:48:37,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 376. [2018-04-13 11:48:37,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2018-04-13 11:48:37,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 415 transitions. [2018-04-13 11:48:37,314 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 415 transitions. Word has length 80 [2018-04-13 11:48:37,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:48:37,314 INFO L459 AbstractCegarLoop]: Abstraction has 376 states and 415 transitions. [2018-04-13 11:48:37,314 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-13 11:48:37,314 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 415 transitions. [2018-04-13 11:48:37,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-04-13 11:48:37,314 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:48:37,314 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:48:37,314 INFO L408 AbstractCegarLoop]: === Iteration 81 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:48:37,315 INFO L82 PathProgramCache]: Analyzing trace with hash -634910993, now seen corresponding path program 1 times [2018-04-13 11:48:37,315 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:48:37,315 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:48:37,315 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:48:37,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:48:37,315 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:48:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:48:37,321 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:48:37,323 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:48:37,323 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:48:37,323 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:48:37,324 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:48:37,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:48:37,365 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:48:37,374 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:48:37,375 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:37,376 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:37,376 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-13 11:48:37,386 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:37,386 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:37,387 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 24 [2018-04-13 11:48:37,387 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:37,404 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:37,404 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-04-13 11:48:37,415 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:48:37,416 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:48:37,416 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:37,417 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:37,426 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:48:37,428 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:48:37,428 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:37,429 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:37,436 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:37,437 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:46, output treesize:36 [2018-04-13 11:48:37,463 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 64 [2018-04-13 11:48:37,464 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:48:37,465 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:37,471 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:37,485 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-13 11:48:37,486 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:48:37,486 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:37,490 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:37,499 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:37,499 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:78, output treesize:62 [2018-04-13 11:48:37,541 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2018-04-13 11:48:37,543 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-13 11:48:37,544 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:37,550 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:48:37,550 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:37,552 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:37,561 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:37,561 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:70, output treesize:46 [2018-04-13 11:48:37,600 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 44 [2018-04-13 11:48:37,602 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2018-04-13 11:48:37,602 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:37,607 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:37,615 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:37,615 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:60, output treesize:48 [2018-04-13 11:48:37,635 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:37,636 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:37,637 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:37,637 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 57 [2018-04-13 11:48:37,637 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:37,649 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:37,649 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:59, output treesize:69 [2018-04-13 11:48:37,674 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:37,676 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 62 [2018-04-13 11:48:37,684 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 32 [2018-04-13 11:48:37,684 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 11:48:37,700 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:48:37,723 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:48:37,723 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:80, output treesize:132 [2018-04-13 11:48:37,785 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 75 [2018-04-13 11:48:37,786 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:48:37,787 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:37,794 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:37,803 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:37,803 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:82, output treesize:70 [2018-04-13 11:48:37,872 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 80 [2018-04-13 11:48:37,874 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:37,879 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 51 [2018-04-13 11:48:37,879 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 11:48:37,892 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:48:37,918 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2018-04-13 11:48:37,919 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:118, output treesize:194 [2018-04-13 11:48:38,152 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 84 [2018-04-13 11:48:38,153 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 16 [2018-04-13 11:48:38,154 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:38,168 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 22 [2018-04-13 11:48:38,168 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:48:38,183 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:48:38,183 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:38,201 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:48:38,249 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 91 [2018-04-13 11:48:38,255 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 28 [2018-04-13 11:48:38,255 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:48:38,277 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 25 [2018-04-13 11:48:38,277 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:38,295 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 16 [2018-04-13 11:48:38,295 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:38,311 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:48:38,371 INFO L267 ElimStorePlain]: Start of recursive call 1: 11 dim-0 vars, 2 dim-2 vars, End of recursive call: 6 dim-0 vars, and 4 xjuncts. [2018-04-13 11:48:38,371 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 13 variables, input treesize:234, output treesize:131 [2018-04-13 11:48:38,495 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:38,496 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 34 [2018-04-13 11:48:38,496 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:38,501 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:38,501 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:20 [2018-04-13 11:48:38,570 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-13 11:48:38,570 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:48:38,570 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-04-13 11:48:38,570 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-13 11:48:38,571 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-13 11:48:38,571 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=613, Unknown=0, NotChecked=0, Total=702 [2018-04-13 11:48:38,571 INFO L87 Difference]: Start difference. First operand 376 states and 415 transitions. Second operand 27 states. [2018-04-13 11:48:40,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:48:40,417 INFO L93 Difference]: Finished difference Result 436 states and 480 transitions. [2018-04-13 11:48:40,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-13 11:48:40,418 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 82 [2018-04-13 11:48:40,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:48:40,418 INFO L225 Difference]: With dead ends: 436 [2018-04-13 11:48:40,419 INFO L226 Difference]: Without dead ends: 436 [2018-04-13 11:48:40,419 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 746 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=363, Invalid=2717, Unknown=0, NotChecked=0, Total=3080 [2018-04-13 11:48:40,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2018-04-13 11:48:40,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 412. [2018-04-13 11:48:40,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2018-04-13 11:48:40,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 460 transitions. [2018-04-13 11:48:40,421 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 460 transitions. Word has length 82 [2018-04-13 11:48:40,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:48:40,421 INFO L459 AbstractCegarLoop]: Abstraction has 412 states and 460 transitions. [2018-04-13 11:48:40,422 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-13 11:48:40,422 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 460 transitions. [2018-04-13 11:48:40,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-04-13 11:48:40,422 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:48:40,422 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:48:40,422 INFO L408 AbstractCegarLoop]: === Iteration 82 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:48:40,423 INFO L82 PathProgramCache]: Analyzing trace with hash -634910992, now seen corresponding path program 1 times [2018-04-13 11:48:40,423 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:48:40,423 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:48:40,423 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:48:40,424 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:48:40,424 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:48:40,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:48:40,432 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:48:40,598 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-04-13 11:48:40,598 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:48:40,598 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:48:40,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:48:40,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:48:40,673 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:48:40,675 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:48:40,675 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:40,677 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:40,677 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 11:48:40,715 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:40,715 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:40,716 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 24 [2018-04-13 11:48:40,716 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:40,721 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:40,722 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2018-04-13 11:48:40,741 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:48:40,742 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:48:40,743 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:40,744 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:40,754 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:48:40,755 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:48:40,755 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:40,756 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:40,765 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:40,765 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:49, output treesize:39 [2018-04-13 11:48:40,816 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-13 11:48:40,818 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:48:40,818 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:40,821 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:40,834 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 56 [2018-04-13 11:48:40,836 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:48:40,836 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:40,841 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:40,849 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:40,850 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:81, output treesize:65 [2018-04-13 11:48:40,941 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:40,942 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 66 [2018-04-13 11:48:40,944 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 29 [2018-04-13 11:48:40,945 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:40,952 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:40,970 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 74 [2018-04-13 11:48:40,978 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 35 [2018-04-13 11:48:40,978 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:40,986 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:40,998 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:40,998 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:98, output treesize:118 [2018-04-13 11:48:41,039 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 14 [2018-04-13 11:48:41,041 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:48:41,041 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:41,043 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:41,057 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:41,057 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:131, output treesize:131 [2018-04-13 11:48:41,100 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:41,101 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:41,101 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:41,102 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-04-13 11:48:41,102 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:41,119 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:41,119 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:139, output treesize:132 [2018-04-13 11:48:41,157 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:41,158 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:41,159 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:41,159 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 136 [2018-04-13 11:48:41,182 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 7 case distinctions, treesize of input 91 treesize of output 91 [2018-04-13 11:48:41,183 INFO L267 ElimStorePlain]: Start of recursive call 3: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 6 xjuncts. [2018-04-13 11:48:41,224 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:48:41,262 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:41,263 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:48:41,265 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 114 [2018-04-13 11:48:41,267 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:41,267 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 57 [2018-04-13 11:48:41,268 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:41,281 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:41,283 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:41,284 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:48:41,285 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 83 [2018-04-13 11:48:41,287 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2018-04-13 11:48:41,287 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:41,297 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:41,324 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:48:41,324 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:151, output treesize:193 [2018-04-13 11:48:41,418 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:41,420 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:41,423 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 114 [2018-04-13 11:48:41,425 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:48:41,425 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:41,436 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:41,454 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:41,460 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 82 [2018-04-13 11:48:41,462 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:48:41,462 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:41,483 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:41,497 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:41,497 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:125, output treesize:109 [2018-04-13 11:48:41,633 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:41,639 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:41,640 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:41,641 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:41,641 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 175 treesize of output 183 [2018-04-13 11:48:41,644 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:41,645 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:41,645 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 69 [2018-04-13 11:48:41,645 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:41,667 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:41,688 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:41,689 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:41,690 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:41,697 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 158 [2018-04-13 11:48:41,699 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:41,700 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:48:41,700 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 50 [2018-04-13 11:48:41,700 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:41,725 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:41,744 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:41,744 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:206, output treesize:181 [2018-04-13 11:48:41,793 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:41,796 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 50 [2018-04-13 11:48:41,797 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2018-04-13 11:48:41,798 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:41,802 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:41,822 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:41,822 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:194, output treesize:204 [2018-04-13 11:48:41,877 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:41,879 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 183 treesize of output 174 [2018-04-13 11:48:41,881 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 75 [2018-04-13 11:48:41,881 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:41,884 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:41,901 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:41,901 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:422, output treesize:315 [2018-04-13 11:48:42,278 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:42,280 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 132 [2018-04-13 11:48:42,282 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:48:42,282 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 57 [2018-04-13 11:48:42,282 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:42,289 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 4 [2018-04-13 11:48:42,289 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:42,290 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:42,306 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:42,306 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:366, output treesize:244 [2018-04-13 11:48:42,455 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-13 11:48:42,455 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-13 11:48:42,455 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 29] total 40 [2018-04-13 11:48:42,455 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-04-13 11:48:42,455 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-04-13 11:48:42,455 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=1435, Unknown=0, NotChecked=0, Total=1560 [2018-04-13 11:48:42,456 INFO L87 Difference]: Start difference. First operand 412 states and 460 transitions. Second operand 40 states. [2018-04-13 11:48:46,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:48:46,482 INFO L93 Difference]: Finished difference Result 567 states and 619 transitions. [2018-04-13 11:48:46,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2018-04-13 11:48:46,482 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 82 [2018-04-13 11:48:46,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:48:46,483 INFO L225 Difference]: With dead ends: 567 [2018-04-13 11:48:46,483 INFO L226 Difference]: Without dead ends: 567 [2018-04-13 11:48:46,484 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3001 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=1032, Invalid=8670, Unknown=0, NotChecked=0, Total=9702 [2018-04-13 11:48:46,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2018-04-13 11:48:46,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 395. [2018-04-13 11:48:46,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2018-04-13 11:48:46,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 441 transitions. [2018-04-13 11:48:46,486 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 441 transitions. Word has length 82 [2018-04-13 11:48:46,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:48:46,486 INFO L459 AbstractCegarLoop]: Abstraction has 395 states and 441 transitions. [2018-04-13 11:48:46,486 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-04-13 11:48:46,486 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 441 transitions. [2018-04-13 11:48:46,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-04-13 11:48:46,487 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:48:46,487 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:48:46,487 INFO L408 AbstractCegarLoop]: === Iteration 83 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:48:46,487 INFO L82 PathProgramCache]: Analyzing trace with hash -1290474380, now seen corresponding path program 1 times [2018-04-13 11:48:46,487 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:48:46,487 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:48:46,488 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:48:46,488 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:48:46,488 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:48:46,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:48:46,498 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:48:46,500 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:48:46,501 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:48:46,501 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:48:46,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:48:46,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:48:46,561 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:48:46,562 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:48:46,563 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:46,573 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:46,573 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 11:48:46,591 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:46,591 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:46,591 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-13 11:48:46,592 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:46,600 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-13 11:48:46,600 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:46,606 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:46,606 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:37, output treesize:34 [2018-04-13 11:48:46,618 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:48:46,619 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:48:46,619 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:46,620 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:46,631 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:48:46,632 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:48:46,632 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:46,633 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:46,642 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:46,642 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:56, output treesize:46 [2018-04-13 11:48:46,679 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 73 [2018-04-13 11:48:46,680 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:48:46,680 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:46,687 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:46,699 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 14 [2018-04-13 11:48:46,700 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:48:46,700 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:46,702 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:46,711 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:46,711 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:88, output treesize:72 [2018-04-13 11:48:46,772 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 38 [2018-04-13 11:48:46,774 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 29 [2018-04-13 11:48:46,774 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:46,779 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:46,799 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 81 [2018-04-13 11:48:46,801 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 21 [2018-04-13 11:48:46,802 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:46,810 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:46,823 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:46,824 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:105, output treesize:101 [2018-04-13 11:48:46,888 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 14 [2018-04-13 11:48:46,889 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:48:46,889 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:46,891 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:46,908 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:46,909 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:124, output treesize:121 [2018-04-13 11:48:46,946 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:46,947 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:46,947 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 56 [2018-04-13 11:48:46,948 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:46,976 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:46,977 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:46,978 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:46,978 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 61 [2018-04-13 11:48:46,978 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:47,004 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:47,004 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:141, output treesize:162 [2018-04-13 11:48:47,052 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:48:47,054 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 81 [2018-04-13 11:48:47,059 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 51 [2018-04-13 11:48:47,059 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:47,066 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:47,098 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:47,099 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:47,099 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:47,100 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 164 treesize of output 172 [2018-04-13 11:48:47,123 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 7 case distinctions, treesize of input 98 treesize of output 94 [2018-04-13 11:48:47,124 INFO L267 ElimStorePlain]: Start of recursive call 5: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 6 xjuncts. [2018-04-13 11:48:47,177 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:48:47,225 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:48:47,225 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:181, output treesize:271 [2018-04-13 11:48:47,336 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:47,344 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 71 [2018-04-13 11:48:47,345 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:48:47,346 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:47,353 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:47,379 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:47,380 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:47,384 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 160 [2018-04-13 11:48:47,386 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:48:47,386 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:47,404 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:47,425 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:47,426 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:171, output treesize:155 [2018-04-13 11:48:47,569 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:47,577 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 231 treesize of output 234 [2018-04-13 11:48:47,581 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:47,581 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:48:47,581 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 48 [2018-04-13 11:48:47,581 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:47,605 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:47,644 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:47,648 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:47,649 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:47,651 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:47,653 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 191 treesize of output 211 [2018-04-13 11:48:47,655 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:47,656 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:47,656 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 69 [2018-04-13 11:48:47,656 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:47,680 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:47,703 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:47,703 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:281, output treesize:221 [2018-04-13 11:48:47,814 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:47,817 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 50 [2018-04-13 11:48:47,818 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2018-04-13 11:48:47,819 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:47,823 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:47,855 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:47,856 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:244, output treesize:247 [2018-04-13 11:48:47,927 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:47,928 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:47,928 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:47,929 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:47,930 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:47,930 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:47,931 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 96 [2018-04-13 11:48:47,931 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:47,974 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:47,974 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:47,975 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 52 [2018-04-13 11:48:47,975 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:48,009 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:48,009 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:261, output treesize:250 [2018-04-13 11:48:48,073 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:48,074 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:48,076 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:48:48,080 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 194 treesize of output 222 [2018-04-13 11:48:48,083 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:48,083 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:48:48,084 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 129 [2018-04-13 11:48:48,084 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:48,108 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:48,153 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:48,154 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:48,154 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:48,155 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:48,156 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:48,156 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:48,157 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:48,158 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:48,158 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 206 treesize of output 240 [2018-04-13 11:48:48,170 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:48,179 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:48,198 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 11 case distinctions, treesize of input 225 treesize of output 315 [2018-04-13 11:48:48,200 INFO L267 ElimStorePlain]: Start of recursive call 5: 12 dim-0 vars, End of recursive call: 12 dim-0 vars, and 9 xjuncts. [2018-04-13 11:48:48,278 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:48,308 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:48,308 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:274, output treesize:266 [2018-04-13 11:48:48,396 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:48,397 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:48,398 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:48,398 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:48,399 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:48,400 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:48,400 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:48,401 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:48,404 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:48,409 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 265 treesize of output 334 [2018-04-13 11:48:48,411 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:48:48,411 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:48,446 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:48,484 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:48,485 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:48,486 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:48,486 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:48,487 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:48,495 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 229 treesize of output 276 [2018-04-13 11:48:48,498 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:48:48,498 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:48,524 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:48,557 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:48,557 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:308, output treesize:278 [2018-04-13 11:48:48,740 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:48,740 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:48,741 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:48,742 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:48,743 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:48,748 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:48,749 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:48,754 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:48,756 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 685 treesize of output 476 [2018-04-13 11:48:48,761 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:48,765 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 51 [2018-04-13 11:48:48,766 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 11:48:48,820 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:48:48,928 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:48,929 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:48,930 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:48,933 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:48:48,940 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 558 treesize of output 587 [2018-04-13 11:48:48,943 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 32 [2018-04-13 11:48:48,943 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:48,977 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:48,980 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:48,981 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:48,982 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:48,995 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 574 treesize of output 607 [2018-04-13 11:48:48,997 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:48,998 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:48:48,998 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 48 [2018-04-13 11:48:48,998 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:49,039 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:49,125 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-13 11:48:49,125 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:721, output treesize:966 [2018-04-13 11:48:49,265 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:49,270 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 217 [2018-04-13 11:48:49,272 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 47 [2018-04-13 11:48:49,272 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:49,280 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:49,315 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:49,315 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:525, output treesize:521 [2018-04-13 11:48:49,387 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:49,388 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:49,389 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:49,390 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:49,390 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:49,391 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:49,391 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 265 [2018-04-13 11:48:49,391 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:49,431 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:49,432 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:49,432 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:49,433 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:49,439 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 410 treesize of output 298 [2018-04-13 11:48:49,442 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 119 [2018-04-13 11:48:49,442 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:49,467 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-13 11:48:49,467 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:49,492 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 175 treesize of output 150 [2018-04-13 11:48:49,492 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:49,509 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:49,509 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:48:49,509 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 84 [2018-04-13 11:48:49,509 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:49,523 INFO L267 ElimStorePlain]: Start of recursive call 3: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:49,540 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:49,540 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:535, output treesize:195 [2018-04-13 11:48:49,671 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:49,671 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:49,672 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:49,672 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:49,674 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:49,675 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:49,676 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 179 treesize of output 123 [2018-04-13 11:48:49,698 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 70 treesize of output 109 [2018-04-13 11:48:49,705 INFO L267 ElimStorePlain]: Start of recursive call 3: 39 dim-0 vars, End of recursive call: 39 dim-0 vars, and 15 xjuncts. [2018-04-13 11:48:49,956 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 83 [2018-04-13 11:48:49,957 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-13 11:48:49,958 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 73 [2018-04-13 11:48:49,959 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:49,964 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 81 [2018-04-13 11:48:49,965 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-04-13 11:48:49,966 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 71 [2018-04-13 11:48:49,966 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:49,971 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 86 treesize of output 79 [2018-04-13 11:48:49,971 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-04-13 11:48:49,977 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 83 [2018-04-13 11:48:49,977 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-04-13 11:48:49,979 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 75 [2018-04-13 11:48:49,979 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:49,981 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 57 [2018-04-13 11:48:49,981 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:49,982 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 67 [2018-04-13 11:48:49,982 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:49,983 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 61 [2018-04-13 11:48:49,984 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:49,985 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 73 [2018-04-13 11:48:49,985 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:49,986 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 59 [2018-04-13 11:48:49,986 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:49,988 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 49 [2018-04-13 11:48:49,988 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:49,993 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 67 [2018-04-13 11:48:49,993 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 2 xjuncts. [2018-04-13 11:48:49,994 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 73 [2018-04-13 11:48:49,995 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:50,325 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-13 11:48:50,325 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:50,566 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:50,567 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 76 [2018-04-13 11:48:50,568 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:50,569 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:50,570 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 78 [2018-04-13 11:48:50,570 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:50,575 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 86 treesize of output 82 [2018-04-13 11:48:50,576 INFO L267 ElimStorePlain]: Start of recursive call 22: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-13 11:48:50,578 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:50,578 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 76 [2018-04-13 11:48:50,579 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:50,580 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 58 [2018-04-13 11:48:50,580 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:50,585 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 84 treesize of output 80 [2018-04-13 11:48:50,586 INFO L267 ElimStorePlain]: Start of recursive call 25: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-13 11:48:50,587 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:50,588 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 74 [2018-04-13 11:48:50,588 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:50,590 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:50,591 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 76 [2018-04-13 11:48:50,591 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:50,592 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 60 [2018-04-13 11:48:50,593 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:50,597 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 72 [2018-04-13 11:48:50,598 INFO L267 ElimStorePlain]: Start of recursive call 29: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-13 11:48:50,603 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 82 treesize of output 78 [2018-04-13 11:48:50,604 INFO L267 ElimStorePlain]: Start of recursive call 30: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-13 11:48:50,605 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 54 [2018-04-13 11:48:50,605 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:50,610 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 86 treesize of output 82 [2018-04-13 11:48:50,610 INFO L267 ElimStorePlain]: Start of recursive call 32: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-13 11:48:50,612 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:50,613 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 66 [2018-04-13 11:48:50,613 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:50,614 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:50,615 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 70 [2018-04-13 11:48:50,615 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:51,102 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 40 dim-0 vars, and 20 xjuncts. [2018-04-13 11:48:51,437 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 80 dim-0 vars, and 20 xjuncts. [2018-04-13 11:48:51,437 INFO L202 ElimStorePlain]: Needed 34 recursive calls to eliminate 5 variables, input treesize:188, output treesize:961 [2018-04-13 11:48:51,749 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 41 [2018-04-13 11:48:51,750 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2018-04-13 11:48:51,750 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:51,756 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-04-13 11:48:51,756 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:51,770 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 16 [2018-04-13 11:48:51,770 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-13 11:48:51,772 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:48:51,778 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-13 11:48:51,779 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:57, output treesize:12 [2018-04-13 11:48:51,910 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:48:51,910 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:48:51,910 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-04-13 11:48:51,910 INFO L442 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-04-13 11:48:51,910 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-04-13 11:48:51,910 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=1267, Unknown=0, NotChecked=0, Total=1406 [2018-04-13 11:48:51,910 INFO L87 Difference]: Start difference. First operand 395 states and 441 transitions. Second operand 38 states. [2018-04-13 11:48:55,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:48:55,871 INFO L93 Difference]: Finished difference Result 482 states and 531 transitions. [2018-04-13 11:48:55,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-04-13 11:48:55,872 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 82 [2018-04-13 11:48:55,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:48:55,872 INFO L225 Difference]: With dead ends: 482 [2018-04-13 11:48:55,872 INFO L226 Difference]: Without dead ends: 476 [2018-04-13 11:48:55,873 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1689 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=605, Invalid=5557, Unknown=0, NotChecked=0, Total=6162 [2018-04-13 11:48:55,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2018-04-13 11:48:55,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 440. [2018-04-13 11:48:55,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 440 states. [2018-04-13 11:48:55,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 492 transitions. [2018-04-13 11:48:55,875 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 492 transitions. Word has length 82 [2018-04-13 11:48:55,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:48:55,875 INFO L459 AbstractCegarLoop]: Abstraction has 440 states and 492 transitions. [2018-04-13 11:48:55,875 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-04-13 11:48:55,875 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 492 transitions. [2018-04-13 11:48:55,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-04-13 11:48:55,876 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:48:55,876 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:48:55,876 INFO L408 AbstractCegarLoop]: === Iteration 84 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:48:55,876 INFO L82 PathProgramCache]: Analyzing trace with hash -1553357238, now seen corresponding path program 3 times [2018-04-13 11:48:55,876 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:48:55,876 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:48:55,876 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:48:55,876 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:48:55,877 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:48:55,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:48:55,887 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:48:55,889 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:48:55,889 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:48:55,889 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:48:55,890 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-04-13 11:48:55,923 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-04-13 11:48:55,923 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 11:48:55,928 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:48:55,942 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:55,943 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:55,943 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-13 11:48:55,943 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:55,950 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:55,950 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:30 [2018-04-13 11:48:55,962 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:48:55,963 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:48:55,963 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:55,964 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:55,975 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:48:55,976 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:48:55,976 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:55,977 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:55,987 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:55,987 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:52, output treesize:45 [2018-04-13 11:48:56,022 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 64 [2018-04-13 11:48:56,023 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:48:56,023 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:56,029 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:56,050 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-13 11:48:56,052 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:48:56,052 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:56,055 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:56,066 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:56,066 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:87, output treesize:71 [2018-04-13 11:48:56,088 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2018-04-13 11:48:56,089 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:48:56,089 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:56,093 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-04-13 11:48:56,093 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:56,094 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:56,104 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:56,104 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:82, output treesize:58 [2018-04-13 11:48:56,137 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:56,138 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 53 [2018-04-13 11:48:56,147 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2018-04-13 11:48:56,147 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:56,153 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:56,164 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:56,164 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:74, output treesize:57 [2018-04-13 11:48:56,186 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 14 [2018-04-13 11:48:56,188 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:48:56,188 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:56,189 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:56,201 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:56,201 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:70, output treesize:70 [2018-04-13 11:48:56,227 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:56,228 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:56,228 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:56,229 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:56,229 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 46 [2018-04-13 11:48:56,229 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:56,247 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:56,248 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:81, output treesize:91 [2018-04-13 11:48:56,279 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:56,280 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:56,280 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:56,281 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:56,281 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 90 [2018-04-13 11:48:56,301 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 67 [2018-04-13 11:48:56,302 INFO L267 ElimStorePlain]: Start of recursive call 3: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 6 xjuncts. [2018-04-13 11:48:56,331 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:48:56,357 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-13 11:48:56,357 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:107, output treesize:152 [2018-04-13 11:48:56,433 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:56,434 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:56,437 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 75 [2018-04-13 11:48:56,439 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:48:56,472 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:56,481 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:56,497 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:56,497 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:92, output treesize:84 [2018-04-13 11:48:56,597 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:56,600 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:56,604 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 111 [2018-04-13 11:48:56,607 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:56,611 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 35 [2018-04-13 11:48:56,611 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 11:48:56,633 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:48:56,661 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-13 11:48:56,661 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:122, output treesize:192 [2018-04-13 11:48:56,709 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 38 [2018-04-13 11:48:56,711 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2018-04-13 11:48:56,711 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:56,714 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:56,729 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:56,729 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:102, output treesize:106 [2018-04-13 11:48:56,764 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:48:56,764 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:56,785 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:56,785 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:56,786 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:56,786 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:56,787 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:56,787 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 61 [2018-04-13 11:48:56,787 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:56,807 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:56,807 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:120, output treesize:119 [2018-04-13 11:48:56,838 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 16 [2018-04-13 11:48:56,840 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-04-13 11:48:56,840 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:56,841 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:56,862 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:56,863 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:56,864 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:56,865 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:56,867 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:56,868 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 133 [2018-04-13 11:48:56,870 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2018-04-13 11:48:56,870 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:56,884 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:56,901 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:56,901 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:138, output treesize:132 [2018-04-13 11:48:56,970 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 94 [2018-04-13 11:48:56,972 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2018-04-13 11:48:56,972 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:56,978 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:57,002 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:57,002 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:57,006 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:57,010 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 185 [2018-04-13 11:48:57,012 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2018-04-13 11:48:57,013 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:57,031 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:57,053 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:57,053 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:182, output treesize:174 [2018-04-13 11:48:57,099 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 75 [2018-04-13 11:48:57,100 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2018-04-13 11:48:57,101 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:57,107 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 33 [2018-04-13 11:48:57,107 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:57,110 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:57,129 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:57,129 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:265, output treesize:193 [2018-04-13 11:48:57,199 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:57,203 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:57,205 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:57,207 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:57,210 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 178 [2018-04-13 11:48:57,212 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:57,212 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:57,213 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 55 [2018-04-13 11:48:57,213 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:57,234 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:57,251 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:57,251 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:205, output treesize:134 [2018-04-13 11:48:57,292 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:57,297 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 87 [2018-04-13 11:48:57,298 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2018-04-13 11:48:57,298 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:57,305 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:57,323 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:57,323 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:147, output treesize:155 [2018-04-13 11:48:57,370 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 1 [2018-04-13 11:48:57,370 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:57,390 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:57,394 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:48:57,395 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 114 [2018-04-13 11:48:57,397 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2018-04-13 11:48:57,397 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:57,403 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:48:57,417 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:57,417 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:249, output treesize:180 [2018-04-13 11:48:57,456 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:57,457 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2018-04-13 11:48:57,457 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:57,480 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:57,481 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:195, output treesize:170 [2018-04-13 11:48:57,672 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:57,672 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:57,673 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:57,674 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:57,674 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:57,675 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:57,676 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:57,678 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 133 [2018-04-13 11:48:57,679 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 24 [2018-04-13 11:48:57,680 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:57,699 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 26 [2018-04-13 11:48:57,699 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:57,712 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 24 [2018-04-13 11:48:57,713 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:57,725 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:48:57,725 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 32 [2018-04-13 11:48:57,725 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:57,735 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:57,748 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-04-13 11:48:57,748 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:183, output treesize:45 [2018-04-13 11:48:57,824 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 44 [2018-04-13 11:48:57,827 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:57,828 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:48:57,833 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 29 [2018-04-13 11:48:57,834 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 4 xjuncts. [2018-04-13 11:48:57,851 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:48:57,851 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:48:57,861 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-13 11:48:57,874 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-13 11:48:57,874 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:54, output treesize:20 [2018-04-13 11:48:57,972 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:48:57,972 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:48:57,972 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-04-13 11:48:57,972 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-04-13 11:48:57,972 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-04-13 11:48:57,972 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=1338, Unknown=0, NotChecked=0, Total=1482 [2018-04-13 11:48:57,973 INFO L87 Difference]: Start difference. First operand 440 states and 492 transitions. Second operand 39 states. [2018-04-13 11:49:00,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:49:00,886 INFO L93 Difference]: Finished difference Result 506 states and 562 transitions. [2018-04-13 11:49:00,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-04-13 11:49:00,886 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 84 [2018-04-13 11:49:00,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:49:00,887 INFO L225 Difference]: With dead ends: 506 [2018-04-13 11:49:00,887 INFO L226 Difference]: Without dead ends: 500 [2018-04-13 11:49:00,888 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1658 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=588, Invalid=5574, Unknown=0, NotChecked=0, Total=6162 [2018-04-13 11:49:00,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2018-04-13 11:49:00,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 449. [2018-04-13 11:49:00,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2018-04-13 11:49:00,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 501 transitions. [2018-04-13 11:49:00,890 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 501 transitions. Word has length 84 [2018-04-13 11:49:00,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:49:00,890 INFO L459 AbstractCegarLoop]: Abstraction has 449 states and 501 transitions. [2018-04-13 11:49:00,890 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-04-13 11:49:00,890 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 501 transitions. [2018-04-13 11:49:00,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-04-13 11:49:00,891 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:49:00,891 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:49:00,891 INFO L408 AbstractCegarLoop]: === Iteration 85 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:49:00,891 INFO L82 PathProgramCache]: Analyzing trace with hash -1898164092, now seen corresponding path program 3 times [2018-04-13 11:49:00,891 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:49:00,891 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:49:00,892 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:49:00,892 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-13 11:49:00,892 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:49:00,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:49:00,907 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:49:00,909 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:49:00,909 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:49:00,909 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:49:00,910 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-04-13 11:49:00,962 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-04-13 11:49:00,963 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 11:49:00,966 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:49:00,968 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:49:00,968 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:00,970 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:49:00,970 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 11:49:00,985 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:00,985 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:00,985 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-13 11:49:00,986 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:00,992 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:49:00,992 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:30 [2018-04-13 11:49:01,003 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:49:01,004 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:49:01,004 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:01,005 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:49:01,014 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:49:01,016 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:49:01,016 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:01,017 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:49:01,024 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:49:01,024 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:49, output treesize:42 [2018-04-13 11:49:01,053 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 37 [2018-04-13 11:49:01,055 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:49:01,055 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:01,060 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:49:01,075 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 56 [2018-04-13 11:49:01,077 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:49:01,077 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:01,081 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:49:01,092 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:49:01,092 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:91, output treesize:75 [2018-04-13 11:49:01,112 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2018-04-13 11:49:01,114 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:49:01,114 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:01,119 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2018-04-13 11:49:01,119 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:01,121 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:49:01,129 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:49:01,130 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:83, output treesize:55 [2018-04-13 11:49:01,165 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 44 [2018-04-13 11:49:01,166 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:01,167 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 11:49:01,167 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:01,173 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:49:01,182 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:49:01,182 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:66, output treesize:54 [2018-04-13 11:49:01,202 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 14 [2018-04-13 11:49:01,204 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:49:01,204 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:01,205 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:49:01,238 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:49:01,238 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:67, output treesize:67 [2018-04-13 11:49:01,268 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:01,268 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:01,269 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:01,269 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 54 [2018-04-13 11:49:01,270 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:01,290 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:49:01,291 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:81, output treesize:91 [2018-04-13 11:49:01,341 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:01,342 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 75 [2018-04-13 11:49:01,345 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:01,346 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2018-04-13 11:49:01,346 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:01,385 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:49:01,435 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 12 [2018-04-13 11:49:01,436 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-13 11:49:01,436 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:01,439 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:49:01,516 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:49:01,516 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:115, output treesize:96 [2018-04-13 11:49:01,612 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 120 [2018-04-13 11:49:01,614 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:49:01,614 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:01,628 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:49:01,658 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2018-04-13 11:49:01,660 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:49:01,660 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:01,664 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:49:01,682 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:49:01,682 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:138, output treesize:118 [2018-04-13 11:49:01,729 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 34 [2018-04-13 11:49:01,730 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:49:01,731 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:01,736 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-04-13 11:49:01,736 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:01,738 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:49:01,756 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:49:01,756 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:168, output treesize:132 [2018-04-13 11:49:01,849 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:01,851 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 121 [2018-04-13 11:49:01,854 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:01,859 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 47 [2018-04-13 11:49:01,859 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:01,893 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:49:01,927 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-13 11:49:01,927 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:143, output treesize:202 [2018-04-13 11:49:02,007 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:02,009 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 38 [2018-04-13 11:49:02,011 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2018-04-13 11:49:02,011 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:02,014 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:49:02,028 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:49:02,028 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:104, output treesize:108 [2018-04-13 11:49:02,067 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:49:02,067 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:02,086 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:02,087 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:02,087 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:02,088 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:02,088 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:02,089 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 61 [2018-04-13 11:49:02,089 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:02,106 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:49:02,106 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:119, output treesize:118 [2018-04-13 11:49:02,141 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:02,142 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:02,143 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:02,143 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:02,145 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:02,146 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 126 [2018-04-13 11:49:02,156 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 55 [2018-04-13 11:49:02,157 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 11:49:02,176 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:49:02,191 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:49:02,191 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:129, output treesize:119 [2018-04-13 11:49:02,261 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:02,262 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:02,269 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 142 [2018-04-13 11:49:02,271 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:49:02,271 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:02,286 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:49:02,301 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:49:02,301 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:140, output treesize:132 [2018-04-13 11:49:02,429 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:02,443 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:02,446 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 169 [2018-04-13 11:49:02,449 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:02,453 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 43 [2018-04-13 11:49:02,454 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:02,478 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:49:02,520 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-13 11:49:02,520 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:201, output treesize:330 [2018-04-13 11:49:02,601 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:02,601 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:02,606 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 85 [2018-04-13 11:49:02,608 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2018-04-13 11:49:02,608 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:02,614 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:49:02,639 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:49:02,640 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:169, output treesize:177 [2018-04-13 11:49:02,689 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 1 [2018-04-13 11:49:02,689 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:02,707 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 3 [2018-04-13 11:49:02,707 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:02,729 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:02,729 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:02,730 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:02,733 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 113 [2018-04-13 11:49:02,734 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2018-04-13 11:49:02,735 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:02,739 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:49:02,750 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:49:02,750 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:256, output treesize:107 [2018-04-13 11:49:03,002 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:03,003 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:03,003 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:03,004 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:03,005 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:03,005 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:03,006 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:03,006 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:03,007 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:03,008 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:03,008 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:03,009 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 12 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 123 [2018-04-13 11:49:03,047 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 51 treesize of output 126 [2018-04-13 11:49:03,048 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-04-13 11:49:03,188 INFO L267 ElimStorePlain]: Start of recursive call 3: 503 dim-0 vars, End of recursive call: 503 dim-0 vars, and 137 xjuncts. [2018-04-13 11:49:16,632 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 70 [2018-04-13 11:49:16,633 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,634 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,636 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 92 [2018-04-13 11:49:16,636 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,637 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 76 [2018-04-13 11:49:16,638 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,640 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,641 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 94 [2018-04-13 11:49:16,641 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,646 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 90 [2018-04-13 11:49:16,647 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:16,649 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,650 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 92 [2018-04-13 11:49:16,650 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,652 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,652 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 84 [2018-04-13 11:49:16,653 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,654 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,655 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 86 [2018-04-13 11:49:16,656 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,657 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,658 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 88 [2018-04-13 11:49:16,659 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,661 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,662 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 90 [2018-04-13 11:49:16,662 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,664 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,664 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 90 [2018-04-13 11:49:16,665 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,666 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 70 [2018-04-13 11:49:16,666 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,668 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 76 [2018-04-13 11:49:16,668 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,673 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 103 treesize of output 94 [2018-04-13 11:49:16,673 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:16,679 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 111 treesize of output 102 [2018-04-13 11:49:16,679 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:16,685 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 98 [2018-04-13 11:49:16,685 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:16,687 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,688 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 74 [2018-04-13 11:49:16,688 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,689 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,690 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 80 [2018-04-13 11:49:16,691 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,692 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,693 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 92 [2018-04-13 11:49:16,694 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,695 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,696 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 92 [2018-04-13 11:49:16,697 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,698 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 68 [2018-04-13 11:49:16,698 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,700 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,701 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 76 [2018-04-13 11:49:16,701 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,703 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,703 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 76 [2018-04-13 11:49:16,704 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,709 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 109 treesize of output 100 [2018-04-13 11:49:16,709 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:16,711 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,712 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 86 [2018-04-13 11:49:16,712 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,718 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 111 treesize of output 102 [2018-04-13 11:49:16,718 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:16,720 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,721 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 86 [2018-04-13 11:49:16,721 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,723 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,724 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 82 [2018-04-13 11:49:16,724 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,726 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,727 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 98 [2018-04-13 11:49:16,727 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,733 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 111 treesize of output 102 [2018-04-13 11:49:16,734 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:16,736 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,737 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 98 [2018-04-13 11:49:16,737 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,738 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 64 [2018-04-13 11:49:16,739 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,744 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 82 [2018-04-13 11:49:16,744 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:16,746 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 54 [2018-04-13 11:49:16,746 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,748 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,748 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 90 [2018-04-13 11:49:16,749 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,754 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 82 [2018-04-13 11:49:16,754 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:16,759 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 98 [2018-04-13 11:49:16,760 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:16,762 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,762 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 94 [2018-04-13 11:49:16,763 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,764 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,765 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 88 [2018-04-13 11:49:16,766 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,771 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 103 treesize of output 94 [2018-04-13 11:49:16,771 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:16,773 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,774 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 90 [2018-04-13 11:49:16,775 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,777 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,777 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 92 [2018-04-13 11:49:16,778 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,779 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 60 [2018-04-13 11:49:16,779 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,785 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 105 treesize of output 96 [2018-04-13 11:49:16,785 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:16,790 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 98 [2018-04-13 11:49:16,791 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:16,793 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,793 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 80 [2018-04-13 11:49:16,794 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,796 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,796 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 98 [2018-04-13 11:49:16,797 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,798 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,799 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 90 [2018-04-13 11:49:16,800 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,801 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,802 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 78 [2018-04-13 11:49:16,802 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,808 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 90 [2018-04-13 11:49:16,808 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:16,810 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,811 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 90 [2018-04-13 11:49:16,811 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,813 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,814 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 76 [2018-04-13 11:49:16,814 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,816 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,817 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 96 [2018-04-13 11:49:16,817 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,819 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,820 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 92 [2018-04-13 11:49:16,820 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,829 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,830 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 92 [2018-04-13 11:49:16,831 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,837 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 111 treesize of output 102 [2018-04-13 11:49:16,838 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:16,839 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,840 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 72 [2018-04-13 11:49:16,841 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,843 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,843 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 96 [2018-04-13 11:49:16,844 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,846 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,847 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 98 [2018-04-13 11:49:16,847 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,853 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 109 treesize of output 100 [2018-04-13 11:49:16,853 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:16,855 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,856 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 78 [2018-04-13 11:49:16,856 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,858 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 72 [2018-04-13 11:49:16,858 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,860 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,860 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 72 [2018-04-13 11:49:16,861 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,862 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,863 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 88 [2018-04-13 11:49:16,864 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,865 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,866 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 70 [2018-04-13 11:49:16,866 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,872 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 111 treesize of output 102 [2018-04-13 11:49:16,873 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:16,875 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,876 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 98 [2018-04-13 11:49:16,876 INFO L267 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,878 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,879 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 94 [2018-04-13 11:49:16,879 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,881 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,882 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 96 [2018-04-13 11:49:16,882 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,884 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,884 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 60 [2018-04-13 11:49:16,885 INFO L267 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,887 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,887 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 92 [2018-04-13 11:49:16,888 INFO L267 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,890 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,890 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 82 [2018-04-13 11:49:16,891 INFO L267 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,893 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,894 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 98 [2018-04-13 11:49:16,894 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,896 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,896 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 88 [2018-04-13 11:49:16,897 INFO L267 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,904 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 111 treesize of output 102 [2018-04-13 11:49:16,904 INFO L267 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:16,911 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 105 treesize of output 96 [2018-04-13 11:49:16,912 INFO L267 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:16,915 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,916 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 92 [2018-04-13 11:49:16,916 INFO L267 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,922 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 98 [2018-04-13 11:49:16,922 INFO L267 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:16,924 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,925 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 82 [2018-04-13 11:49:16,925 INFO L267 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,927 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,928 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 84 [2018-04-13 11:49:16,928 INFO L267 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,929 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,930 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 70 [2018-04-13 11:49:16,930 INFO L267 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,932 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,933 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 86 [2018-04-13 11:49:16,933 INFO L267 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,935 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 74 [2018-04-13 11:49:16,935 INFO L267 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,941 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 103 treesize of output 94 [2018-04-13 11:49:16,941 INFO L267 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:16,943 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,944 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 86 [2018-04-13 11:49:16,945 INFO L267 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,946 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,947 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 90 [2018-04-13 11:49:16,947 INFO L267 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,953 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 98 [2018-04-13 11:49:16,954 INFO L267 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:16,956 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,957 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 80 [2018-04-13 11:49:16,957 INFO L267 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,959 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:16,960 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 92 [2018-04-13 11:49:16,961 INFO L267 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,972 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 103 treesize of output 94 [2018-04-13 11:49:16,972 INFO L267 ElimStorePlain]: Start of recursive call 93: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:16,979 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 103 treesize of output 94 [2018-04-13 11:49:16,979 INFO L267 ElimStorePlain]: Start of recursive call 94: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:16,981 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 60 [2018-04-13 11:49:16,981 INFO L267 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:16,987 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 82 [2018-04-13 11:49:16,987 INFO L267 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:16,994 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 111 treesize of output 102 [2018-04-13 11:49:16,994 INFO L267 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:17,000 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 98 [2018-04-13 11:49:17,000 INFO L267 ElimStorePlain]: Start of recursive call 98: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:17,003 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:17,003 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 94 [2018-04-13 11:49:17,004 INFO L267 ElimStorePlain]: Start of recursive call 99: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:17,006 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:17,007 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 86 [2018-04-13 11:49:17,007 INFO L267 ElimStorePlain]: Start of recursive call 100: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:17,009 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:17,010 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 86 [2018-04-13 11:49:17,010 INFO L267 ElimStorePlain]: Start of recursive call 101: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:17,012 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:17,013 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 90 [2018-04-13 11:49:17,013 INFO L267 ElimStorePlain]: Start of recursive call 102: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:17,018 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 82 [2018-04-13 11:49:17,019 INFO L267 ElimStorePlain]: Start of recursive call 103: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:17,021 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:17,022 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 86 [2018-04-13 11:49:17,022 INFO L267 ElimStorePlain]: Start of recursive call 104: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:17,028 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 98 [2018-04-13 11:49:17,028 INFO L267 ElimStorePlain]: Start of recursive call 105: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:17,030 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:17,031 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 92 [2018-04-13 11:49:17,032 INFO L267 ElimStorePlain]: Start of recursive call 106: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:17,037 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 66 [2018-04-13 11:49:17,037 INFO L267 ElimStorePlain]: Start of recursive call 107: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:17,042 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 89 treesize of output 80 [2018-04-13 11:49:17,042 INFO L267 ElimStorePlain]: Start of recursive call 108: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:17,047 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 78 [2018-04-13 11:49:17,048 INFO L267 ElimStorePlain]: Start of recursive call 109: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:17,053 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 111 treesize of output 102 [2018-04-13 11:49:17,054 INFO L267 ElimStorePlain]: Start of recursive call 110: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:17,056 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:17,056 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 96 [2018-04-13 11:49:17,057 INFO L267 ElimStorePlain]: Start of recursive call 111: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:17,063 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 98 [2018-04-13 11:49:17,063 INFO L267 ElimStorePlain]: Start of recursive call 112: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:17,065 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:17,066 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 96 [2018-04-13 11:49:17,066 INFO L267 ElimStorePlain]: Start of recursive call 113: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:17,068 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:17,069 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 98 [2018-04-13 11:49:17,070 INFO L267 ElimStorePlain]: Start of recursive call 114: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:17,071 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 58 [2018-04-13 11:49:17,071 INFO L267 ElimStorePlain]: Start of recursive call 115: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:17,073 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:17,074 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 98 [2018-04-13 11:49:17,074 INFO L267 ElimStorePlain]: Start of recursive call 116: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:17,076 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:17,077 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 92 [2018-04-13 11:49:17,078 INFO L267 ElimStorePlain]: Start of recursive call 117: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:17,083 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 105 treesize of output 96 [2018-04-13 11:49:17,084 INFO L267 ElimStorePlain]: Start of recursive call 118: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:17,085 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 76 [2018-04-13 11:49:17,086 INFO L267 ElimStorePlain]: Start of recursive call 119: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:17,088 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:17,089 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 94 [2018-04-13 11:49:17,089 INFO L267 ElimStorePlain]: Start of recursive call 120: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:17,095 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 78 [2018-04-13 11:49:17,095 INFO L267 ElimStorePlain]: Start of recursive call 121: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:17,100 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 76 [2018-04-13 11:49:17,101 INFO L267 ElimStorePlain]: Start of recursive call 122: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:17,106 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 101 treesize of output 92 [2018-04-13 11:49:17,107 INFO L267 ElimStorePlain]: Start of recursive call 123: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:17,113 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 98 [2018-04-13 11:49:17,113 INFO L267 ElimStorePlain]: Start of recursive call 124: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:17,116 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:17,117 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 92 [2018-04-13 11:49:17,117 INFO L267 ElimStorePlain]: Start of recursive call 125: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:17,119 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:17,120 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 76 [2018-04-13 11:49:17,120 INFO L267 ElimStorePlain]: Start of recursive call 126: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:17,126 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 103 treesize of output 94 [2018-04-13 11:49:17,126 INFO L267 ElimStorePlain]: Start of recursive call 127: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:17,128 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:17,129 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 76 [2018-04-13 11:49:17,129 INFO L267 ElimStorePlain]: Start of recursive call 128: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:17,131 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:17,132 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 86 [2018-04-13 11:49:17,133 INFO L267 ElimStorePlain]: Start of recursive call 129: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:17,134 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 70 [2018-04-13 11:49:17,134 INFO L267 ElimStorePlain]: Start of recursive call 130: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:17,136 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:17,137 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 86 [2018-04-13 11:49:17,138 INFO L267 ElimStorePlain]: Start of recursive call 131: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:17,140 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:17,141 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 94 [2018-04-13 11:49:17,141 INFO L267 ElimStorePlain]: Start of recursive call 132: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:17,143 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:17,144 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 90 [2018-04-13 11:49:17,145 INFO L267 ElimStorePlain]: Start of recursive call 133: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:17,147 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:17,148 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 96 [2018-04-13 11:49:17,148 INFO L267 ElimStorePlain]: Start of recursive call 134: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:17,149 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 48 [2018-04-13 11:49:17,149 INFO L267 ElimStorePlain]: Start of recursive call 135: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:17,155 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 98 [2018-04-13 11:49:17,156 INFO L267 ElimStorePlain]: Start of recursive call 136: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:17,162 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 105 treesize of output 96 [2018-04-13 11:49:17,162 INFO L267 ElimStorePlain]: Start of recursive call 137: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:17,168 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 105 treesize of output 96 [2018-04-13 11:49:17,169 INFO L267 ElimStorePlain]: Start of recursive call 138: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:17,171 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:17,172 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 84 [2018-04-13 11:49:17,172 INFO L267 ElimStorePlain]: Start of recursive call 139: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:17,174 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:17,175 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 66 [2018-04-13 11:49:17,175 INFO L267 ElimStorePlain]: Start of recursive call 140: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:41,844 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 84 [2018-04-13 11:49:41,845 INFO L267 ElimStorePlain]: Start of recursive call 141: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:41,846 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 80 [2018-04-13 11:49:41,847 INFO L267 ElimStorePlain]: Start of recursive call 142: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:41,852 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 92 [2018-04-13 11:49:41,853 INFO L267 ElimStorePlain]: Start of recursive call 143: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:41,855 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:41,856 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 92 [2018-04-13 11:49:41,856 INFO L267 ElimStorePlain]: Start of recursive call 144: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:41,858 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:41,859 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 88 [2018-04-13 11:49:41,859 INFO L267 ElimStorePlain]: Start of recursive call 145: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:41,861 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 84 [2018-04-13 11:49:41,861 INFO L267 ElimStorePlain]: Start of recursive call 146: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:41,867 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 92 [2018-04-13 11:49:41,867 INFO L267 ElimStorePlain]: Start of recursive call 147: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:41,873 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 93 treesize of output 94 [2018-04-13 11:49:41,873 INFO L267 ElimStorePlain]: Start of recursive call 148: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:41,875 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 84 [2018-04-13 11:49:41,875 INFO L267 ElimStorePlain]: Start of recursive call 149: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:41,876 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 80 [2018-04-13 11:49:41,877 INFO L267 ElimStorePlain]: Start of recursive call 150: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:41,878 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 86 [2018-04-13 11:49:41,878 INFO L267 ElimStorePlain]: Start of recursive call 151: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:41,883 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 88 [2018-04-13 11:49:41,884 INFO L267 ElimStorePlain]: Start of recursive call 152: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:41,885 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 62 [2018-04-13 11:49:41,885 INFO L267 ElimStorePlain]: Start of recursive call 153: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:41,886 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 80 [2018-04-13 11:49:41,887 INFO L267 ElimStorePlain]: Start of recursive call 154: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:41,888 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 70 [2018-04-13 11:49:41,888 INFO L267 ElimStorePlain]: Start of recursive call 155: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:41,890 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:41,891 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 88 [2018-04-13 11:49:41,891 INFO L267 ElimStorePlain]: Start of recursive call 156: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:41,897 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 95 treesize of output 96 [2018-04-13 11:49:41,897 INFO L267 ElimStorePlain]: Start of recursive call 157: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:41,899 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 72 [2018-04-13 11:49:41,899 INFO L267 ElimStorePlain]: Start of recursive call 158: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:41,900 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 86 [2018-04-13 11:49:41,901 INFO L267 ElimStorePlain]: Start of recursive call 159: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:41,902 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 74 [2018-04-13 11:49:41,903 INFO L267 ElimStorePlain]: Start of recursive call 160: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:41,908 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 88 [2018-04-13 11:49:41,908 INFO L267 ElimStorePlain]: Start of recursive call 161: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:41,910 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 80 [2018-04-13 11:49:41,910 INFO L267 ElimStorePlain]: Start of recursive call 162: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:41,915 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 80 [2018-04-13 11:49:41,915 INFO L267 ElimStorePlain]: Start of recursive call 163: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:41,917 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 86 [2018-04-13 11:49:41,917 INFO L267 ElimStorePlain]: Start of recursive call 164: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:41,919 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 72 [2018-04-13 11:49:41,919 INFO L267 ElimStorePlain]: Start of recursive call 165: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:41,925 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 92 [2018-04-13 11:49:41,925 INFO L267 ElimStorePlain]: Start of recursive call 166: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:41,927 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 82 [2018-04-13 11:49:41,927 INFO L267 ElimStorePlain]: Start of recursive call 167: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:41,928 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 60 [2018-04-13 11:49:41,929 INFO L267 ElimStorePlain]: Start of recursive call 168: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:41,931 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:41,932 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 92 [2018-04-13 11:49:41,932 INFO L267 ElimStorePlain]: Start of recursive call 169: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:41,933 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 66 [2018-04-13 11:49:41,933 INFO L267 ElimStorePlain]: Start of recursive call 170: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:41,935 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 82 [2018-04-13 11:49:41,935 INFO L267 ElimStorePlain]: Start of recursive call 171: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:41,936 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 68 [2018-04-13 11:49:41,937 INFO L267 ElimStorePlain]: Start of recursive call 172: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:41,944 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 92 [2018-04-13 11:49:41,945 INFO L267 ElimStorePlain]: Start of recursive call 173: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:41,947 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 86 [2018-04-13 11:49:41,947 INFO L267 ElimStorePlain]: Start of recursive call 174: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:41,952 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 88 [2018-04-13 11:49:41,952 INFO L267 ElimStorePlain]: Start of recursive call 175: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:41,957 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 93 treesize of output 94 [2018-04-13 11:49:41,958 INFO L267 ElimStorePlain]: Start of recursive call 176: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:41,959 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 70 [2018-04-13 11:49:41,959 INFO L267 ElimStorePlain]: Start of recursive call 177: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:41,961 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 84 [2018-04-13 11:49:41,961 INFO L267 ElimStorePlain]: Start of recursive call 178: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:41,963 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:41,964 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 92 [2018-04-13 11:49:41,964 INFO L267 ElimStorePlain]: Start of recursive call 179: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:41,965 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 86 [2018-04-13 11:49:41,966 INFO L267 ElimStorePlain]: Start of recursive call 180: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:41,967 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:41,968 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 88 [2018-04-13 11:49:41,968 INFO L267 ElimStorePlain]: Start of recursive call 181: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:41,970 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 82 [2018-04-13 11:49:41,970 INFO L267 ElimStorePlain]: Start of recursive call 182: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:41,975 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 92 [2018-04-13 11:49:41,976 INFO L267 ElimStorePlain]: Start of recursive call 183: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:41,978 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:41,979 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 84 [2018-04-13 11:49:41,979 INFO L267 ElimStorePlain]: Start of recursive call 184: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:41,980 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 66 [2018-04-13 11:49:41,980 INFO L267 ElimStorePlain]: Start of recursive call 185: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:41,982 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 70 [2018-04-13 11:49:41,982 INFO L267 ElimStorePlain]: Start of recursive call 186: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:41,984 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 84 [2018-04-13 11:49:41,984 INFO L267 ElimStorePlain]: Start of recursive call 187: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:41,985 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 58 [2018-04-13 11:49:41,985 INFO L267 ElimStorePlain]: Start of recursive call 188: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:41,991 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 92 [2018-04-13 11:49:41,991 INFO L267 ElimStorePlain]: Start of recursive call 189: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:41,993 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 78 [2018-04-13 11:49:41,993 INFO L267 ElimStorePlain]: Start of recursive call 190: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:41,995 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:41,996 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 88 [2018-04-13 11:49:41,996 INFO L267 ElimStorePlain]: Start of recursive call 191: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:41,998 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 82 [2018-04-13 11:49:41,998 INFO L267 ElimStorePlain]: Start of recursive call 192: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,000 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:42,001 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 92 [2018-04-13 11:49:42,001 INFO L267 ElimStorePlain]: Start of recursive call 193: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,002 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 84 [2018-04-13 11:49:42,003 INFO L267 ElimStorePlain]: Start of recursive call 194: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,004 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 86 [2018-04-13 11:49:42,004 INFO L267 ElimStorePlain]: Start of recursive call 195: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,010 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 95 treesize of output 96 [2018-04-13 11:49:42,010 INFO L267 ElimStorePlain]: Start of recursive call 196: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:42,012 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 60 [2018-04-13 11:49:42,012 INFO L267 ElimStorePlain]: Start of recursive call 197: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,013 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:42,014 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 78 [2018-04-13 11:49:42,015 INFO L267 ElimStorePlain]: Start of recursive call 198: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,016 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 78 [2018-04-13 11:49:42,016 INFO L267 ElimStorePlain]: Start of recursive call 199: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,022 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 81 treesize of output 82 [2018-04-13 11:49:42,022 INFO L267 ElimStorePlain]: Start of recursive call 200: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:42,024 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 84 [2018-04-13 11:49:42,024 INFO L267 ElimStorePlain]: Start of recursive call 201: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,029 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 72 [2018-04-13 11:49:42,029 INFO L267 ElimStorePlain]: Start of recursive call 202: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:42,035 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 81 treesize of output 82 [2018-04-13 11:49:42,036 INFO L267 ElimStorePlain]: Start of recursive call 203: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:42,037 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 68 [2018-04-13 11:49:42,037 INFO L267 ElimStorePlain]: Start of recursive call 204: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,043 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 88 [2018-04-13 11:49:42,043 INFO L267 ElimStorePlain]: Start of recursive call 205: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:42,045 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:42,046 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 92 [2018-04-13 11:49:42,046 INFO L267 ElimStorePlain]: Start of recursive call 206: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,052 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 95 treesize of output 96 [2018-04-13 11:49:42,052 INFO L267 ElimStorePlain]: Start of recursive call 207: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:42,054 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 80 [2018-04-13 11:49:42,054 INFO L267 ElimStorePlain]: Start of recursive call 208: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,059 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 74 [2018-04-13 11:49:42,059 INFO L267 ElimStorePlain]: Start of recursive call 209: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:42,061 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 74 [2018-04-13 11:49:42,061 INFO L267 ElimStorePlain]: Start of recursive call 210: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,067 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 93 treesize of output 94 [2018-04-13 11:49:42,067 INFO L267 ElimStorePlain]: Start of recursive call 211: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:42,069 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 80 [2018-04-13 11:49:42,069 INFO L267 ElimStorePlain]: Start of recursive call 212: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,070 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 76 [2018-04-13 11:49:42,071 INFO L267 ElimStorePlain]: Start of recursive call 213: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,076 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 88 [2018-04-13 11:49:42,077 INFO L267 ElimStorePlain]: Start of recursive call 214: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:42,078 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 86 [2018-04-13 11:49:42,078 INFO L267 ElimStorePlain]: Start of recursive call 215: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,080 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 70 [2018-04-13 11:49:42,080 INFO L267 ElimStorePlain]: Start of recursive call 216: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,086 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 93 treesize of output 94 [2018-04-13 11:49:42,086 INFO L267 ElimStorePlain]: Start of recursive call 217: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:42,091 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 76 [2018-04-13 11:49:42,092 INFO L267 ElimStorePlain]: Start of recursive call 218: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:42,093 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 78 [2018-04-13 11:49:42,093 INFO L267 ElimStorePlain]: Start of recursive call 219: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,095 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 84 [2018-04-13 11:49:42,095 INFO L267 ElimStorePlain]: Start of recursive call 220: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,097 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 80 [2018-04-13 11:49:42,097 INFO L267 ElimStorePlain]: Start of recursive call 221: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,098 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 82 [2018-04-13 11:49:42,099 INFO L267 ElimStorePlain]: Start of recursive call 222: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,100 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 80 [2018-04-13 11:49:42,100 INFO L267 ElimStorePlain]: Start of recursive call 223: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,102 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:42,103 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 88 [2018-04-13 11:49:42,103 INFO L267 ElimStorePlain]: Start of recursive call 224: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,105 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 66 [2018-04-13 11:49:42,105 INFO L267 ElimStorePlain]: Start of recursive call 225: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,106 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 76 [2018-04-13 11:49:42,107 INFO L267 ElimStorePlain]: Start of recursive call 226: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,108 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 86 [2018-04-13 11:49:42,108 INFO L267 ElimStorePlain]: Start of recursive call 227: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,110 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:42,111 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 90 [2018-04-13 11:49:42,112 INFO L267 ElimStorePlain]: Start of recursive call 228: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,117 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 88 [2018-04-13 11:49:42,118 INFO L267 ElimStorePlain]: Start of recursive call 229: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:42,119 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 86 [2018-04-13 11:49:42,120 INFO L267 ElimStorePlain]: Start of recursive call 230: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,121 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:42,122 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 72 [2018-04-13 11:49:42,122 INFO L267 ElimStorePlain]: Start of recursive call 231: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,124 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 66 [2018-04-13 11:49:42,124 INFO L267 ElimStorePlain]: Start of recursive call 232: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,125 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 70 [2018-04-13 11:49:42,126 INFO L267 ElimStorePlain]: Start of recursive call 233: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,131 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 76 [2018-04-13 11:49:42,132 INFO L267 ElimStorePlain]: Start of recursive call 234: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:42,133 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 80 [2018-04-13 11:49:42,133 INFO L267 ElimStorePlain]: Start of recursive call 235: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,135 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 86 [2018-04-13 11:49:42,135 INFO L267 ElimStorePlain]: Start of recursive call 236: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,137 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:42,138 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 92 [2018-04-13 11:49:42,138 INFO L267 ElimStorePlain]: Start of recursive call 237: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,143 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 78 [2018-04-13 11:49:42,144 INFO L267 ElimStorePlain]: Start of recursive call 238: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:42,145 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 52 [2018-04-13 11:49:42,145 INFO L267 ElimStorePlain]: Start of recursive call 239: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,147 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:42,148 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 92 [2018-04-13 11:49:42,148 INFO L267 ElimStorePlain]: Start of recursive call 240: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,150 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 86 [2018-04-13 11:49:42,150 INFO L267 ElimStorePlain]: Start of recursive call 241: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,156 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 95 treesize of output 96 [2018-04-13 11:49:42,156 INFO L267 ElimStorePlain]: Start of recursive call 242: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:42,162 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 89 treesize of output 90 [2018-04-13 11:49:42,162 INFO L267 ElimStorePlain]: Start of recursive call 243: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:42,164 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 86 [2018-04-13 11:49:42,164 INFO L267 ElimStorePlain]: Start of recursive call 244: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,170 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 64 [2018-04-13 11:49:42,170 INFO L267 ElimStorePlain]: Start of recursive call 245: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,176 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 95 treesize of output 96 [2018-04-13 11:49:42,176 INFO L267 ElimStorePlain]: Start of recursive call 246: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:42,182 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 92 [2018-04-13 11:49:42,182 INFO L267 ElimStorePlain]: Start of recursive call 247: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:42,184 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 48 [2018-04-13 11:49:42,184 INFO L267 ElimStorePlain]: Start of recursive call 248: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,189 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 83 treesize of output 84 [2018-04-13 11:49:42,189 INFO L267 ElimStorePlain]: Start of recursive call 249: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:42,190 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 86 [2018-04-13 11:49:42,191 INFO L267 ElimStorePlain]: Start of recursive call 250: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,192 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:42,193 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 90 [2018-04-13 11:49:42,193 INFO L267 ElimStorePlain]: Start of recursive call 251: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,195 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:49:42,196 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 92 [2018-04-13 11:49:42,196 INFO L267 ElimStorePlain]: Start of recursive call 252: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,197 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 54 [2018-04-13 11:49:42,198 INFO L267 ElimStorePlain]: Start of recursive call 253: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,199 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 74 [2018-04-13 11:49:42,199 INFO L267 ElimStorePlain]: Start of recursive call 254: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,200 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 72 [2018-04-13 11:49:42,201 INFO L267 ElimStorePlain]: Start of recursive call 255: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,206 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 95 treesize of output 96 [2018-04-13 11:49:42,206 INFO L267 ElimStorePlain]: Start of recursive call 256: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:42,211 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 93 treesize of output 94 [2018-04-13 11:49:42,212 INFO L267 ElimStorePlain]: Start of recursive call 257: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:42,217 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 95 treesize of output 96 [2018-04-13 11:49:42,218 INFO L267 ElimStorePlain]: Start of recursive call 258: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:42,222 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 66 [2018-04-13 11:49:42,223 INFO L267 ElimStorePlain]: Start of recursive call 259: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:42,228 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 93 treesize of output 94 [2018-04-13 11:49:42,229 INFO L267 ElimStorePlain]: Start of recursive call 260: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:42,230 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 66 [2018-04-13 11:49:42,230 INFO L267 ElimStorePlain]: Start of recursive call 261: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,232 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 68 [2018-04-13 11:49:42,232 INFO L267 ElimStorePlain]: Start of recursive call 262: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,233 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 86 [2018-04-13 11:49:42,233 INFO L267 ElimStorePlain]: Start of recursive call 263: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,235 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 66 [2018-04-13 11:49:42,235 INFO L267 ElimStorePlain]: Start of recursive call 264: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,237 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 56 [2018-04-13 11:49:42,237 INFO L267 ElimStorePlain]: Start of recursive call 265: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,244 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 92 [2018-04-13 11:49:42,244 INFO L267 ElimStorePlain]: Start of recursive call 266: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:42,245 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 68 [2018-04-13 11:49:42,246 INFO L267 ElimStorePlain]: Start of recursive call 267: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,251 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 89 treesize of output 90 [2018-04-13 11:49:42,251 INFO L267 ElimStorePlain]: Start of recursive call 268: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:42,253 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 86 [2018-04-13 11:49:42,253 INFO L267 ElimStorePlain]: Start of recursive call 269: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,254 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 76 [2018-04-13 11:49:42,254 INFO L267 ElimStorePlain]: Start of recursive call 270: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,260 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 92 [2018-04-13 11:49:42,260 INFO L267 ElimStorePlain]: Start of recursive call 271: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:42,266 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 92 [2018-04-13 11:49:42,266 INFO L267 ElimStorePlain]: Start of recursive call 272: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:42,268 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 80 [2018-04-13 11:49:42,268 INFO L267 ElimStorePlain]: Start of recursive call 273: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,270 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 80 [2018-04-13 11:49:42,271 INFO L267 ElimStorePlain]: Start of recursive call 274: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,276 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 95 treesize of output 96 [2018-04-13 11:49:42,277 INFO L267 ElimStorePlain]: Start of recursive call 275: End of recursive call: and 2 xjuncts. [2018-04-13 11:49:42,278 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 86 [2018-04-13 11:49:42,279 INFO L267 ElimStorePlain]: Start of recursive call 276: End of recursive call: and 1 xjuncts. [2018-04-13 11:49:42,285 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 92 [2018-04-13 11:49:42,285 INFO L267 ElimStorePlain]: Start of recursive call 277: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:03,299 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 74 [2018-04-13 11:50:03,299 INFO L267 ElimStorePlain]: Start of recursive call 278: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,301 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 84 [2018-04-13 11:50:03,301 INFO L267 ElimStorePlain]: Start of recursive call 279: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,307 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 82 treesize of output 82 [2018-04-13 11:50:03,307 INFO L267 ElimStorePlain]: Start of recursive call 280: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:03,312 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 88 [2018-04-13 11:50:03,312 INFO L267 ElimStorePlain]: Start of recursive call 281: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:03,317 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 90 [2018-04-13 11:50:03,318 INFO L267 ElimStorePlain]: Start of recursive call 282: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:03,319 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 52 [2018-04-13 11:50:03,319 INFO L267 ElimStorePlain]: Start of recursive call 283: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,321 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 74 [2018-04-13 11:50:03,321 INFO L267 ElimStorePlain]: Start of recursive call 284: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,328 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 90 [2018-04-13 11:50:03,329 INFO L267 ElimStorePlain]: Start of recursive call 285: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:03,334 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 86 treesize of output 86 [2018-04-13 11:50:03,334 INFO L267 ElimStorePlain]: Start of recursive call 286: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:03,336 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 74 [2018-04-13 11:50:03,336 INFO L267 ElimStorePlain]: Start of recursive call 287: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,338 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 78 [2018-04-13 11:50:03,338 INFO L267 ElimStorePlain]: Start of recursive call 288: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,340 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 74 [2018-04-13 11:50:03,340 INFO L267 ElimStorePlain]: Start of recursive call 289: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,342 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 80 [2018-04-13 11:50:03,342 INFO L267 ElimStorePlain]: Start of recursive call 290: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,344 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 80 [2018-04-13 11:50:03,344 INFO L267 ElimStorePlain]: Start of recursive call 291: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,349 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 86 treesize of output 86 [2018-04-13 11:50:03,350 INFO L267 ElimStorePlain]: Start of recursive call 292: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:03,352 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 78 [2018-04-13 11:50:03,352 INFO L267 ElimStorePlain]: Start of recursive call 293: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,354 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 80 [2018-04-13 11:50:03,354 INFO L267 ElimStorePlain]: Start of recursive call 294: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,359 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 86 treesize of output 86 [2018-04-13 11:50:03,359 INFO L267 ElimStorePlain]: Start of recursive call 295: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:03,361 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 64 [2018-04-13 11:50:03,361 INFO L267 ElimStorePlain]: Start of recursive call 296: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,365 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 74 [2018-04-13 11:50:03,366 INFO L267 ElimStorePlain]: Start of recursive call 297: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:03,368 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 64 [2018-04-13 11:50:03,368 INFO L267 ElimStorePlain]: Start of recursive call 298: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,373 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 86 treesize of output 86 [2018-04-13 11:50:03,373 INFO L267 ElimStorePlain]: Start of recursive call 299: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:03,377 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 66 [2018-04-13 11:50:03,378 INFO L267 ElimStorePlain]: Start of recursive call 300: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:03,379 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 64 [2018-04-13 11:50:03,379 INFO L267 ElimStorePlain]: Start of recursive call 301: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,385 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 82 treesize of output 82 [2018-04-13 11:50:03,385 INFO L267 ElimStorePlain]: Start of recursive call 302: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:03,388 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 68 [2018-04-13 11:50:03,388 INFO L267 ElimStorePlain]: Start of recursive call 303: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,393 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 76 [2018-04-13 11:50:03,394 INFO L267 ElimStorePlain]: Start of recursive call 304: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:03,396 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 82 [2018-04-13 11:50:03,396 INFO L267 ElimStorePlain]: Start of recursive call 305: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,398 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 76 [2018-04-13 11:50:03,398 INFO L267 ElimStorePlain]: Start of recursive call 306: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,403 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 86 treesize of output 86 [2018-04-13 11:50:03,403 INFO L267 ElimStorePlain]: Start of recursive call 307: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:03,410 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 76 [2018-04-13 11:50:03,411 INFO L267 ElimStorePlain]: Start of recursive call 308: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:03,412 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 80 [2018-04-13 11:50:03,413 INFO L267 ElimStorePlain]: Start of recursive call 309: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,414 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 82 [2018-04-13 11:50:03,415 INFO L267 ElimStorePlain]: Start of recursive call 310: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,419 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 74 [2018-04-13 11:50:03,420 INFO L267 ElimStorePlain]: Start of recursive call 311: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:03,421 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 68 [2018-04-13 11:50:03,421 INFO L267 ElimStorePlain]: Start of recursive call 312: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,426 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 82 treesize of output 82 [2018-04-13 11:50:03,427 INFO L267 ElimStorePlain]: Start of recursive call 313: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:03,428 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 74 [2018-04-13 11:50:03,429 INFO L267 ElimStorePlain]: Start of recursive call 314: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,433 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 86 treesize of output 86 [2018-04-13 11:50:03,434 INFO L267 ElimStorePlain]: Start of recursive call 315: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:03,439 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 86 treesize of output 86 [2018-04-13 11:50:03,440 INFO L267 ElimStorePlain]: Start of recursive call 316: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:03,441 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 64 [2018-04-13 11:50:03,441 INFO L267 ElimStorePlain]: Start of recursive call 317: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,442 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 72 [2018-04-13 11:50:03,443 INFO L267 ElimStorePlain]: Start of recursive call 318: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,445 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 78 [2018-04-13 11:50:03,445 INFO L267 ElimStorePlain]: Start of recursive call 319: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,450 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 88 [2018-04-13 11:50:03,451 INFO L267 ElimStorePlain]: Start of recursive call 320: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:03,453 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 66 [2018-04-13 11:50:03,453 INFO L267 ElimStorePlain]: Start of recursive call 321: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,455 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 78 [2018-04-13 11:50:03,456 INFO L267 ElimStorePlain]: Start of recursive call 322: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,461 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 76 [2018-04-13 11:50:03,461 INFO L267 ElimStorePlain]: Start of recursive call 323: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:03,463 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 62 [2018-04-13 11:50:03,463 INFO L267 ElimStorePlain]: Start of recursive call 324: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,465 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 66 [2018-04-13 11:50:03,465 INFO L267 ElimStorePlain]: Start of recursive call 325: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,470 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 78 treesize of output 78 [2018-04-13 11:50:03,470 INFO L267 ElimStorePlain]: Start of recursive call 326: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:03,472 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 72 [2018-04-13 11:50:03,472 INFO L267 ElimStorePlain]: Start of recursive call 327: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,474 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 78 [2018-04-13 11:50:03,474 INFO L267 ElimStorePlain]: Start of recursive call 328: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,476 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 80 [2018-04-13 11:50:03,476 INFO L267 ElimStorePlain]: Start of recursive call 329: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,478 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 74 [2018-04-13 11:50:03,478 INFO L267 ElimStorePlain]: Start of recursive call 330: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,480 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 80 [2018-04-13 11:50:03,480 INFO L267 ElimStorePlain]: Start of recursive call 331: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,482 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 64 [2018-04-13 11:50:03,483 INFO L267 ElimStorePlain]: Start of recursive call 332: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,484 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 72 [2018-04-13 11:50:03,485 INFO L267 ElimStorePlain]: Start of recursive call 333: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,490 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 72 treesize of output 72 [2018-04-13 11:50:03,490 INFO L267 ElimStorePlain]: Start of recursive call 334: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:03,492 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 78 [2018-04-13 11:50:03,492 INFO L267 ElimStorePlain]: Start of recursive call 335: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,494 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 54 [2018-04-13 11:50:03,494 INFO L267 ElimStorePlain]: Start of recursive call 336: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,499 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 90 [2018-04-13 11:50:03,500 INFO L267 ElimStorePlain]: Start of recursive call 337: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:03,505 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 88 [2018-04-13 11:50:03,506 INFO L267 ElimStorePlain]: Start of recursive call 338: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:03,508 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 66 [2018-04-13 11:50:03,508 INFO L267 ElimStorePlain]: Start of recursive call 339: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,509 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 60 [2018-04-13 11:50:03,509 INFO L267 ElimStorePlain]: Start of recursive call 340: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,515 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 88 [2018-04-13 11:50:03,515 INFO L267 ElimStorePlain]: Start of recursive call 341: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:03,521 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 90 [2018-04-13 11:50:03,521 INFO L267 ElimStorePlain]: Start of recursive call 342: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:03,523 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 82 [2018-04-13 11:50:03,524 INFO L267 ElimStorePlain]: Start of recursive call 343: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,529 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 76 [2018-04-13 11:50:03,529 INFO L267 ElimStorePlain]: Start of recursive call 344: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:03,531 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 80 [2018-04-13 11:50:03,531 INFO L267 ElimStorePlain]: Start of recursive call 345: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,533 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 56 [2018-04-13 11:50:03,533 INFO L267 ElimStorePlain]: Start of recursive call 346: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,535 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 84 [2018-04-13 11:50:03,535 INFO L267 ElimStorePlain]: Start of recursive call 347: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,541 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 86 treesize of output 86 [2018-04-13 11:50:03,541 INFO L267 ElimStorePlain]: Start of recursive call 348: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:03,543 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 82 [2018-04-13 11:50:03,543 INFO L267 ElimStorePlain]: Start of recursive call 349: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,545 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 70 [2018-04-13 11:50:03,546 INFO L267 ElimStorePlain]: Start of recursive call 350: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,547 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 54 [2018-04-13 11:50:03,547 INFO L267 ElimStorePlain]: Start of recursive call 351: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,548 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 56 [2018-04-13 11:50:03,548 INFO L267 ElimStorePlain]: Start of recursive call 352: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,550 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 68 [2018-04-13 11:50:03,551 INFO L267 ElimStorePlain]: Start of recursive call 353: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,552 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 64 [2018-04-13 11:50:03,553 INFO L267 ElimStorePlain]: Start of recursive call 354: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,555 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 78 [2018-04-13 11:50:03,555 INFO L267 ElimStorePlain]: Start of recursive call 355: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,557 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 82 [2018-04-13 11:50:03,557 INFO L267 ElimStorePlain]: Start of recursive call 356: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,558 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 60 [2018-04-13 11:50:03,559 INFO L267 ElimStorePlain]: Start of recursive call 357: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,560 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 66 [2018-04-13 11:50:03,561 INFO L267 ElimStorePlain]: Start of recursive call 358: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,566 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 82 treesize of output 82 [2018-04-13 11:50:03,567 INFO L267 ElimStorePlain]: Start of recursive call 359: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:03,572 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 82 treesize of output 82 [2018-04-13 11:50:03,573 INFO L267 ElimStorePlain]: Start of recursive call 360: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:03,574 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 62 [2018-04-13 11:50:03,575 INFO L267 ElimStorePlain]: Start of recursive call 361: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,577 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 82 [2018-04-13 11:50:03,577 INFO L267 ElimStorePlain]: Start of recursive call 362: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,578 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 52 [2018-04-13 11:50:03,578 INFO L267 ElimStorePlain]: Start of recursive call 363: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,581 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 78 [2018-04-13 11:50:03,581 INFO L267 ElimStorePlain]: Start of recursive call 364: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,583 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 80 [2018-04-13 11:50:03,584 INFO L267 ElimStorePlain]: Start of recursive call 365: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,590 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 80 [2018-04-13 11:50:03,590 INFO L267 ElimStorePlain]: Start of recursive call 366: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,592 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 74 [2018-04-13 11:50:03,593 INFO L267 ElimStorePlain]: Start of recursive call 367: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,598 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 84 treesize of output 84 [2018-04-13 11:50:03,599 INFO L267 ElimStorePlain]: Start of recursive call 368: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:03,600 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 62 [2018-04-13 11:50:03,600 INFO L267 ElimStorePlain]: Start of recursive call 369: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,601 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 64 [2018-04-13 11:50:03,602 INFO L267 ElimStorePlain]: Start of recursive call 370: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,604 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 80 [2018-04-13 11:50:03,604 INFO L267 ElimStorePlain]: Start of recursive call 371: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,606 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 76 [2018-04-13 11:50:03,606 INFO L267 ElimStorePlain]: Start of recursive call 372: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,608 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 78 [2018-04-13 11:50:03,609 INFO L267 ElimStorePlain]: Start of recursive call 373: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,611 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 82 [2018-04-13 11:50:03,611 INFO L267 ElimStorePlain]: Start of recursive call 374: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,613 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 62 [2018-04-13 11:50:03,613 INFO L267 ElimStorePlain]: Start of recursive call 375: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,615 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 70 [2018-04-13 11:50:03,615 INFO L267 ElimStorePlain]: Start of recursive call 376: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,617 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 74 [2018-04-13 11:50:03,617 INFO L267 ElimStorePlain]: Start of recursive call 377: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,619 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 78 [2018-04-13 11:50:03,620 INFO L267 ElimStorePlain]: Start of recursive call 378: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,626 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 88 [2018-04-13 11:50:03,626 INFO L267 ElimStorePlain]: Start of recursive call 379: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:03,632 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 82 treesize of output 82 [2018-04-13 11:50:03,632 INFO L267 ElimStorePlain]: Start of recursive call 380: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:03,635 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 80 [2018-04-13 11:50:03,635 INFO L267 ElimStorePlain]: Start of recursive call 381: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,640 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 72 treesize of output 72 [2018-04-13 11:50:03,641 INFO L267 ElimStorePlain]: Start of recursive call 382: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:03,643 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 70 [2018-04-13 11:50:03,643 INFO L267 ElimStorePlain]: Start of recursive call 383: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,649 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 90 [2018-04-13 11:50:03,650 INFO L267 ElimStorePlain]: Start of recursive call 384: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:03,652 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 78 [2018-04-13 11:50:03,652 INFO L267 ElimStorePlain]: Start of recursive call 385: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,654 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 66 [2018-04-13 11:50:03,654 INFO L267 ElimStorePlain]: Start of recursive call 386: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,656 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 68 [2018-04-13 11:50:03,657 INFO L267 ElimStorePlain]: Start of recursive call 387: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,659 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 80 [2018-04-13 11:50:03,659 INFO L267 ElimStorePlain]: Start of recursive call 388: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,665 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 86 treesize of output 86 [2018-04-13 11:50:03,665 INFO L267 ElimStorePlain]: Start of recursive call 389: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:03,668 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 76 [2018-04-13 11:50:03,668 INFO L267 ElimStorePlain]: Start of recursive call 390: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,674 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 90 [2018-04-13 11:50:03,674 INFO L267 ElimStorePlain]: Start of recursive call 391: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:03,677 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 74 [2018-04-13 11:50:03,677 INFO L267 ElimStorePlain]: Start of recursive call 392: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,679 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 80 [2018-04-13 11:50:03,679 INFO L267 ElimStorePlain]: Start of recursive call 393: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,685 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 84 treesize of output 84 [2018-04-13 11:50:03,685 INFO L267 ElimStorePlain]: Start of recursive call 394: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:03,687 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 80 [2018-04-13 11:50:03,688 INFO L267 ElimStorePlain]: Start of recursive call 395: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,690 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 78 [2018-04-13 11:50:03,690 INFO L267 ElimStorePlain]: Start of recursive call 396: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,692 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 82 [2018-04-13 11:50:03,692 INFO L267 ElimStorePlain]: Start of recursive call 397: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,698 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 90 [2018-04-13 11:50:03,699 INFO L267 ElimStorePlain]: Start of recursive call 398: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:03,701 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 76 [2018-04-13 11:50:03,701 INFO L267 ElimStorePlain]: Start of recursive call 399: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,703 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 80 [2018-04-13 11:50:03,704 INFO L267 ElimStorePlain]: Start of recursive call 400: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,706 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 82 [2018-04-13 11:50:03,706 INFO L267 ElimStorePlain]: Start of recursive call 401: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,712 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 90 [2018-04-13 11:50:03,712 INFO L267 ElimStorePlain]: Start of recursive call 402: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:03,717 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 86 treesize of output 86 [2018-04-13 11:50:03,718 INFO L267 ElimStorePlain]: Start of recursive call 403: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:03,723 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 86 treesize of output 86 [2018-04-13 11:50:03,724 INFO L267 ElimStorePlain]: Start of recursive call 404: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:03,729 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 88 [2018-04-13 11:50:03,729 INFO L267 ElimStorePlain]: Start of recursive call 405: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:03,731 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 80 [2018-04-13 11:50:03,731 INFO L267 ElimStorePlain]: Start of recursive call 406: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,733 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 80 [2018-04-13 11:50:03,733 INFO L267 ElimStorePlain]: Start of recursive call 407: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,734 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 48 [2018-04-13 11:50:03,735 INFO L267 ElimStorePlain]: Start of recursive call 408: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,736 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 74 [2018-04-13 11:50:03,737 INFO L267 ElimStorePlain]: Start of recursive call 409: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,739 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 82 [2018-04-13 11:50:03,739 INFO L267 ElimStorePlain]: Start of recursive call 410: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,740 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 60 [2018-04-13 11:50:03,741 INFO L267 ElimStorePlain]: Start of recursive call 411: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,743 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 78 [2018-04-13 11:50:03,743 INFO L267 ElimStorePlain]: Start of recursive call 412: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,745 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 78 [2018-04-13 11:50:03,745 INFO L267 ElimStorePlain]: Start of recursive call 413: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:03,747 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 68 [2018-04-13 11:50:03,747 INFO L267 ElimStorePlain]: Start of recursive call 414: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:19,440 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 137 dim-0 vars, and 137 xjuncts. [2018-04-13 11:50:23,534 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 274 dim-0 vars, and 137 xjuncts. [2018-04-13 11:50:23,534 INFO L202 ElimStorePlain]: Needed 414 recursive calls to eliminate 6 variables, input treesize:106, output treesize:3837 [2018-04-13 11:50:24,442 WARN L151 SmtUtils]: Spent 343ms on a formula simplification. DAG size of input: 1927 DAG size of output 22 [2018-04-13 11:50:24,483 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 29 [2018-04-13 11:50:24,485 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:24,487 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:24,492 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 29 [2018-04-13 11:50:24,492 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 4 xjuncts. [2018-04-13 11:50:24,505 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-13 11:50:24,517 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-13 11:50:24,517 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:37, output treesize:20 [2018-04-13 11:50:24,618 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:50:24,618 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:50:24,618 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-04-13 11:50:24,618 INFO L442 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-04-13 11:50:24,618 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-04-13 11:50:24,619 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=1291, Unknown=0, NotChecked=0, Total=1406 [2018-04-13 11:50:24,619 INFO L87 Difference]: Start difference. First operand 449 states and 501 transitions. Second operand 38 states. [2018-04-13 11:50:27,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:50:27,403 INFO L93 Difference]: Finished difference Result 527 states and 583 transitions. [2018-04-13 11:50:27,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-04-13 11:50:27,404 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 85 [2018-04-13 11:50:27,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:50:27,404 INFO L225 Difference]: With dead ends: 527 [2018-04-13 11:50:27,404 INFO L226 Difference]: Without dead ends: 521 [2018-04-13 11:50:27,405 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1610 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=475, Invalid=5225, Unknown=0, NotChecked=0, Total=5700 [2018-04-13 11:50:27,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2018-04-13 11:50:27,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 456. [2018-04-13 11:50:27,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 456 states. [2018-04-13 11:50:27,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 509 transitions. [2018-04-13 11:50:27,407 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 509 transitions. Word has length 85 [2018-04-13 11:50:27,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:50:27,407 INFO L459 AbstractCegarLoop]: Abstraction has 456 states and 509 transitions. [2018-04-13 11:50:27,407 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-04-13 11:50:27,407 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 509 transitions. [2018-04-13 11:50:27,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-04-13 11:50:27,408 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:50:27,408 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:50:27,408 INFO L408 AbstractCegarLoop]: === Iteration 86 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:50:27,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1346729140, now seen corresponding path program 4 times [2018-04-13 11:50:27,408 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:50:27,408 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:50:27,408 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:50:27,408 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-13 11:50:27,408 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:50:27,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:50:27,418 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:50:27,421 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:50:27,421 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:50:27,421 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:50:27,421 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-04-13 11:50:27,473 INFO L242 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-04-13 11:50:27,473 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 11:50:27,477 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:50:27,494 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:27,494 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:27,494 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-13 11:50:27,495 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:27,502 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:27,502 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2018-04-13 11:50:27,514 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:50:27,515 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:50:27,515 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:27,516 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:27,522 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:27,523 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:38, output treesize:35 [2018-04-13 11:50:27,548 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 43 [2018-04-13 11:50:27,549 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:50:27,550 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:27,554 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:27,561 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:27,561 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:56, output treesize:48 [2018-04-13 11:50:27,616 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 44 [2018-04-13 11:50:27,618 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 21 [2018-04-13 11:50:27,618 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:27,623 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:27,636 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 47 [2018-04-13 11:50:27,638 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-04-13 11:50:27,638 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:27,642 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:27,652 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:27,652 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:83, output treesize:88 [2018-04-13 11:50:27,673 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 14 [2018-04-13 11:50:27,674 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:50:27,675 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:27,676 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:27,687 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:27,688 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:101, output treesize:98 [2018-04-13 11:50:27,712 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:50:27,712 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:27,729 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:27,729 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:27,730 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:27,730 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 56 [2018-04-13 11:50:27,731 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:27,748 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:27,748 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:115, output treesize:134 [2018-04-13 11:50:27,778 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:27,780 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 113 [2018-04-13 11:50:27,788 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 80 treesize of output 54 [2018-04-13 11:50:27,789 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:27,814 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:50:27,850 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2018-04-13 11:50:27,853 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 23 [2018-04-13 11:50:27,853 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:27,861 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:27,866 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 86 [2018-04-13 11:50:27,869 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 35 [2018-04-13 11:50:27,869 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:27,877 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:27,907 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:50:27,907 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:161, output treesize:174 [2018-04-13 11:50:27,996 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 97 [2018-04-13 11:50:27,998 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:50:27,998 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:28,009 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:28,028 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-13 11:50:28,029 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:50:28,029 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:28,033 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:28,046 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:28,046 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:121, output treesize:105 [2018-04-13 11:50:28,166 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 196 treesize of output 174 [2018-04-13 11:50:28,169 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:28,174 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 59 [2018-04-13 11:50:28,174 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:28,200 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:50:28,256 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 182 [2018-04-13 11:50:28,258 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:50:28,259 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 25 [2018-04-13 11:50:28,259 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:28,275 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:28,285 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 191 treesize of output 182 [2018-04-13 11:50:28,288 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:28,289 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 41 [2018-04-13 11:50:28,289 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:28,308 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:28,358 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:50:28,358 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:218, output treesize:377 [2018-04-13 11:50:28,448 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 48 [2018-04-13 11:50:28,450 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2018-04-13 11:50:28,450 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:28,454 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:28,473 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:28,473 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:192, output treesize:184 [2018-04-13 11:50:28,521 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:28,522 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 61 [2018-04-13 11:50:28,522 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:28,547 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:28,547 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:28,548 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:28,548 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:28,549 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:28,549 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 73 [2018-04-13 11:50:28,549 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:28,571 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:28,571 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:195, output treesize:210 [2018-04-13 11:50:28,615 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:28,615 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:28,623 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:28,624 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:28,624 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:28,625 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 206 treesize of output 217 [2018-04-13 11:50:28,639 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 47 treesize of output 98 [2018-04-13 11:50:28,640 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 11:50:28,668 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:28,693 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:28,698 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 170 treesize of output 185 [2018-04-13 11:50:28,700 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 35 [2018-04-13 11:50:28,700 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:28,713 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:28,733 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:28,733 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:232, output treesize:224 [2018-04-13 11:50:28,815 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:28,815 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:28,816 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:28,817 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:28,818 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:28,826 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 260 treesize of output 283 [2018-04-13 11:50:28,828 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:50:28,828 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:28,852 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:28,878 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:28,883 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 171 treesize of output 192 [2018-04-13 11:50:28,885 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:50:28,885 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:28,904 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:28,924 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:28,924 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:266, output treesize:214 [2018-04-13 11:50:29,104 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 419 treesize of output 406 [2018-04-13 11:50:29,107 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:50:29,107 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 32 [2018-04-13 11:50:29,108 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:29,134 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:29,164 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:29,169 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:29,176 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 347 treesize of output 296 [2018-04-13 11:50:29,180 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:29,184 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 51 [2018-04-13 11:50:29,185 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:29,220 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:50:29,275 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:50:29,275 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:444, output treesize:533 [2018-04-13 11:50:29,378 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 133 [2018-04-13 11:50:29,380 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 37 [2018-04-13 11:50:29,380 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:29,387 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:29,413 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:29,413 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:264, output treesize:288 [2018-04-13 11:50:29,479 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 48 [2018-04-13 11:50:29,479 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:29,499 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:29,503 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 188 treesize of output 197 [2018-04-13 11:50:29,509 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 67 [2018-04-13 11:50:29,509 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:29,515 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:29,528 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:29,528 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:504, output treesize:243 [2018-04-13 11:50:29,577 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-13 11:50:29,577 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:29,595 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:29,595 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:29,596 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:29,597 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:29,597 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:29,599 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:29,600 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 241 treesize of output 221 [2018-04-13 11:50:29,614 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 127 treesize of output 115 [2018-04-13 11:50:29,616 INFO L267 ElimStorePlain]: Start of recursive call 4: 17 dim-0 vars, End of recursive call: 17 dim-0 vars, and 7 xjuncts. [2018-04-13 11:50:29,698 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:29,699 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 119 [2018-04-13 11:50:29,699 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:29,704 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 122 treesize of output 115 [2018-04-13 11:50:29,705 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:29,710 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 116 treesize of output 109 [2018-04-13 11:50:29,710 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:29,712 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 99 [2018-04-13 11:50:29,712 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:29,717 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 136 treesize of output 127 [2018-04-13 11:50:29,717 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:29,719 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 93 [2018-04-13 11:50:29,719 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:29,724 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 126 treesize of output 119 [2018-04-13 11:50:29,724 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:29,889 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 108 treesize of output 109 [2018-04-13 11:50:29,889 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:29,891 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:29,892 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 113 [2018-04-13 11:50:29,892 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:29,896 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 104 treesize of output 105 [2018-04-13 11:50:29,897 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:29,901 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 108 treesize of output 109 [2018-04-13 11:50:29,902 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:29,903 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 93 [2018-04-13 11:50:29,903 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:29,908 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 104 treesize of output 105 [2018-04-13 11:50:29,908 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:29,910 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 93 [2018-04-13 11:50:29,910 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:30,073 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 79 [2018-04-13 11:50:30,073 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:30,074 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 83 [2018-04-13 11:50:30,075 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:30,076 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 83 [2018-04-13 11:50:30,076 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:30,078 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 79 [2018-04-13 11:50:30,078 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:30,079 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 79 [2018-04-13 11:50:30,080 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:30,081 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 79 [2018-04-13 11:50:30,081 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:30,082 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 83 [2018-04-13 11:50:30,083 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:30,187 INFO L267 ElimStorePlain]: Start of recursive call 3: 4 dim-1 vars, End of recursive call: 14 dim-0 vars, and 7 xjuncts. [2018-04-13 11:50:30,292 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 21 dim-0 vars, and 7 xjuncts. [2018-04-13 11:50:30,293 INFO L202 ElimStorePlain]: Needed 25 recursive calls to eliminate 3 variables, input treesize:262, output treesize:666 [2018-04-13 11:50:30,476 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 54 [2018-04-13 11:50:30,477 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2018-04-13 11:50:30,477 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:30,483 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2018-04-13 11:50:30,483 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:30,485 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:30,497 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:30,497 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:101, output treesize:43 [2018-04-13 11:50:30,588 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:50:30,588 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:50:30,588 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-04-13 11:50:30,588 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-13 11:50:30,588 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-13 11:50:30,589 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=996, Unknown=0, NotChecked=0, Total=1122 [2018-04-13 11:50:30,589 INFO L87 Difference]: Start difference. First operand 456 states and 509 transitions. Second operand 34 states. [2018-04-13 11:50:33,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:50:33,478 INFO L93 Difference]: Finished difference Result 538 states and 594 transitions. [2018-04-13 11:50:33,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-04-13 11:50:33,478 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 85 [2018-04-13 11:50:33,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:50:33,479 INFO L225 Difference]: With dead ends: 538 [2018-04-13 11:50:33,479 INFO L226 Difference]: Without dead ends: 538 [2018-04-13 11:50:33,480 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1167 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=498, Invalid=4194, Unknown=0, NotChecked=0, Total=4692 [2018-04-13 11:50:33,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2018-04-13 11:50:33,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 449. [2018-04-13 11:50:33,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2018-04-13 11:50:33,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 501 transitions. [2018-04-13 11:50:33,484 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 501 transitions. Word has length 85 [2018-04-13 11:50:33,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:50:33,484 INFO L459 AbstractCegarLoop]: Abstraction has 449 states and 501 transitions. [2018-04-13 11:50:33,484 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-13 11:50:33,484 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 501 transitions. [2018-04-13 11:50:33,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-04-13 11:50:33,485 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:50:33,485 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:50:33,485 INFO L408 AbstractCegarLoop]: === Iteration 87 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:50:33,485 INFO L82 PathProgramCache]: Analyzing trace with hash 351615145, now seen corresponding path program 1 times [2018-04-13 11:50:33,485 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:50:33,485 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:50:33,486 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:50:33,486 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-13 11:50:33,486 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:50:33,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:50:33,493 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:50:33,652 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-04-13 11:50:33,653 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:50:33,653 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:50:33,653 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:50:33,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:50:33,679 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:50:33,695 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:50:33,695 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:33,698 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:33,698 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 11:50:33,752 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:33,753 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:33,753 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 24 [2018-04-13 11:50:33,753 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:33,760 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:33,760 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2018-04-13 11:50:33,781 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:50:33,782 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:50:33,782 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:33,784 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:33,792 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:33,792 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:41, output treesize:35 [2018-04-13 11:50:33,841 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 43 [2018-04-13 11:50:33,842 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:50:33,842 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:33,847 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:33,856 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:33,856 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:56, output treesize:48 [2018-04-13 11:50:33,938 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 44 [2018-04-13 11:50:33,940 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2018-04-13 11:50:33,941 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:33,947 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:33,962 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:33,963 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:68, output treesize:51 [2018-04-13 11:50:33,998 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:33,999 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:34,000 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:34,000 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:34,001 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 49 [2018-04-13 11:50:34,001 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:34,013 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:34,013 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:62, output treesize:72 [2018-04-13 11:50:34,049 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2018-04-13 11:50:34,049 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:34,062 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:34,063 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:34,064 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 44 [2018-04-13 11:50:34,070 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 31 [2018-04-13 11:50:34,071 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:34,082 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:50:34,100 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-13 11:50:34,100 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:88, output treesize:84 [2018-04-13 11:50:34,165 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 45 [2018-04-13 11:50:34,167 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:50:34,167 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:34,171 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:34,179 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:34,179 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:58, output treesize:50 [2018-04-13 11:50:34,269 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 62 [2018-04-13 11:50:34,271 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:34,276 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 51 [2018-04-13 11:50:34,276 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:34,287 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:50:34,307 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 2 xjuncts. [2018-04-13 11:50:34,310 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:94, output treesize:146 [2018-04-13 11:50:34,631 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 82 [2018-04-13 11:50:34,633 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:50:34,633 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 47 [2018-04-13 11:50:34,633 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:34,650 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 31 [2018-04-13 11:50:34,650 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:34,661 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2018-04-13 11:50:34,661 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:34,668 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:34,690 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2018-04-13 11:50:34,691 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2018-04-13 11:50:34,691 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:34,697 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:34,719 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 75 [2018-04-13 11:50:34,720 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:50:34,720 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:34,730 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-04-13 11:50:34,731 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:34,738 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:50:34,739 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2018-04-13 11:50:34,739 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:34,745 INFO L267 ElimStorePlain]: Start of recursive call 8: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:34,758 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2018-04-13 11:50:34,759 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2018-04-13 11:50:34,759 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:34,764 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:34,775 INFO L267 ElimStorePlain]: Start of recursive call 1: 11 dim-0 vars, 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:34,776 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 15 variables, input treesize:210, output treesize:10 [2018-04-13 11:50:34,813 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-04-13 11:50:34,813 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-04-13 11:50:34,814 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:34,814 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:34,815 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:34,815 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:20, output treesize:4 [2018-04-13 11:50:34,883 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:50:34,883 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-13 11:50:34,883 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 27] total 39 [2018-04-13 11:50:34,883 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-04-13 11:50:34,884 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-04-13 11:50:34,884 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=1334, Unknown=0, NotChecked=0, Total=1482 [2018-04-13 11:50:34,884 INFO L87 Difference]: Start difference. First operand 449 states and 501 transitions. Second operand 39 states. [2018-04-13 11:50:37,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:50:37,263 INFO L93 Difference]: Finished difference Result 484 states and 531 transitions. [2018-04-13 11:50:37,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-04-13 11:50:37,263 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 86 [2018-04-13 11:50:37,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:50:37,264 INFO L225 Difference]: With dead ends: 484 [2018-04-13 11:50:37,264 INFO L226 Difference]: Without dead ends: 483 [2018-04-13 11:50:37,265 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1955 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=798, Invalid=5844, Unknown=0, NotChecked=0, Total=6642 [2018-04-13 11:50:37,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2018-04-13 11:50:37,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 357. [2018-04-13 11:50:37,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2018-04-13 11:50:37,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 392 transitions. [2018-04-13 11:50:37,267 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 392 transitions. Word has length 86 [2018-04-13 11:50:37,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:50:37,267 INFO L459 AbstractCegarLoop]: Abstraction has 357 states and 392 transitions. [2018-04-13 11:50:37,267 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-04-13 11:50:37,267 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 392 transitions. [2018-04-13 11:50:37,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-04-13 11:50:37,267 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:50:37,267 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:50:37,267 INFO L408 AbstractCegarLoop]: === Iteration 88 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:50:37,267 INFO L82 PathProgramCache]: Analyzing trace with hash -1266310450, now seen corresponding path program 1 times [2018-04-13 11:50:37,268 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:50:37,268 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:50:37,268 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:50:37,268 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:50:37,268 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:50:37,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:50:37,277 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:50:37,280 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:50:37,281 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:50:37,281 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:50:37,281 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:50:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:50:37,336 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:50:37,351 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:50:37,352 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:37,361 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:37,361 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:37,362 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-13 11:50:37,362 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:37,369 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:37,370 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:38, output treesize:35 [2018-04-13 11:50:37,382 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:50:37,383 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:50:37,384 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:37,385 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:37,396 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:50:37,397 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:50:37,397 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:37,399 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:37,407 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:37,407 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:57, output treesize:51 [2018-04-13 11:50:37,441 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-13 11:50:37,442 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:50:37,442 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:37,446 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:37,461 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 65 [2018-04-13 11:50:37,463 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:50:37,463 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:37,469 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:37,480 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:37,480 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:93, output treesize:77 [2018-04-13 11:50:37,502 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2018-04-13 11:50:37,504 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:50:37,504 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:37,508 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-04-13 11:50:37,508 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:37,510 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:37,519 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:37,519 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:88, output treesize:64 [2018-04-13 11:50:37,550 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:37,552 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 62 [2018-04-13 11:50:37,554 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2018-04-13 11:50:37,554 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:37,561 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:37,581 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:37,581 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:83, output treesize:63 [2018-04-13 11:50:37,607 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:37,608 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 11:50:37,608 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:37,628 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:37,629 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:37,629 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:37,630 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:37,630 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 46 [2018-04-13 11:50:37,630 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:37,648 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:37,648 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:83, output treesize:92 [2018-04-13 11:50:37,678 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:37,701 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:37,701 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:37,702 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:37,702 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 86 [2018-04-13 11:50:37,721 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 67 [2018-04-13 11:50:37,722 INFO L267 ElimStorePlain]: Start of recursive call 3: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 6 xjuncts. [2018-04-13 11:50:37,750 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:50:37,778 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:50:37,779 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:50:37,779 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:37,781 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:37,808 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-13 11:50:37,808 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:116, output treesize:170 [2018-04-13 11:50:37,889 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:37,890 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:37,894 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 101 [2018-04-13 11:50:37,896 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:50:37,896 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:37,907 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:37,929 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 45 [2018-04-13 11:50:37,930 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:50:37,930 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:37,935 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:37,958 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:37,959 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:129, output treesize:121 [2018-04-13 11:50:38,065 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,071 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,072 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,073 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,073 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 182 [2018-04-13 11:50:38,084 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,085 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,085 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 65 [2018-04-13 11:50:38,085 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:38,111 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:38,137 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,142 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 99 [2018-04-13 11:50:38,144 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,144 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:50:38,144 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 66 [2018-04-13 11:50:38,144 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:38,155 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:38,176 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:38,177 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:194, output treesize:193 [2018-04-13 11:50:38,227 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,228 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,229 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,229 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 66 [2018-04-13 11:50:38,229 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:38,265 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,266 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,267 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,267 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,268 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,269 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,269 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,270 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 61 [2018-04-13 11:50:38,270 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:38,306 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:38,306 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:207, output treesize:200 [2018-04-13 11:50:38,350 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,351 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,352 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,353 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,354 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,355 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,356 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,357 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,358 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,358 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 11 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 190 treesize of output 210 [2018-04-13 11:50:38,370 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,379 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,398 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 11 case distinctions, treesize of input 207 treesize of output 291 [2018-04-13 11:50:38,401 INFO L267 ElimStorePlain]: Start of recursive call 3: 12 dim-0 vars, End of recursive call: 12 dim-0 vars, and 9 xjuncts. [2018-04-13 11:50:38,487 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:38,516 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,520 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 115 [2018-04-13 11:50:38,522 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,524 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 76 [2018-04-13 11:50:38,524 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:38,535 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:38,558 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:38,558 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:222, output treesize:186 [2018-04-13 11:50:38,627 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,627 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,628 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,629 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,629 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,630 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,633 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,638 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 219 treesize of output 262 [2018-04-13 11:50:38,640 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:50:38,640 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:38,672 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:38,702 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,710 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 150 [2018-04-13 11:50:38,711 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:50:38,712 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:38,723 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:38,755 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:38,755 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:235, output treesize:219 [2018-04-13 11:50:38,885 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,892 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 531 treesize of output 495 [2018-04-13 11:50:38,895 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:50:38,896 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 98 [2018-04-13 11:50:38,896 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:38,919 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:38,953 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,954 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,955 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,956 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,956 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,958 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,961 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,965 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 532 treesize of output 366 [2018-04-13 11:50:38,969 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:38,974 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 103 [2018-04-13 11:50:38,975 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:39,021 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:50:39,100 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 7 dim-0 vars, and 2 xjuncts. [2018-04-13 11:50:39,100 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:593, output treesize:933 [2018-04-13 11:50:39,206 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 703 treesize of output 698 [2018-04-13 11:50:39,206 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:39,279 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 497 treesize of output 492 [2018-04-13 11:50:39,279 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:39,361 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:39,361 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:39,362 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:39,363 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:39,364 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:39,365 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:39,367 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:39,368 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 492 treesize of output 303 [2018-04-13 11:50:39,370 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:50:39,370 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:39,405 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 163 treesize of output 106 [2018-04-13 11:50:39,406 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:39,434 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 103 [2018-04-13 11:50:39,434 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:39,459 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:50:39,459 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 63 [2018-04-13 11:50:39,459 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:39,480 INFO L267 ElimStorePlain]: Start of recursive call 4: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:39,549 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:39,550 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:39,550 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:39,551 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:39,554 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:39,555 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:39,555 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:39,556 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 698 treesize of output 375 [2018-04-13 11:50:39,559 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:39,560 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:39,560 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2018-04-13 11:50:39,560 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:39,602 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:50:39,602 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 63 [2018-04-13 11:50:39,603 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:39,637 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 87 [2018-04-13 11:50:39,638 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:39,671 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 265 treesize of output 136 [2018-04-13 11:50:39,672 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:39,699 INFO L267 ElimStorePlain]: Start of recursive call 9: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:39,750 INFO L267 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 2 dim-1 vars, 2 dim-2 vars, End of recursive call: 11 dim-0 vars, and 2 xjuncts. [2018-04-13 11:50:39,751 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 13 variables, input treesize:1201, output treesize:264 [2018-04-13 11:50:39,965 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 107 [2018-04-13 11:50:39,967 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:50:39,967 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 50 [2018-04-13 11:50:39,967 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:39,983 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 27 [2018-04-13 11:50:39,984 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:39,994 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:39,995 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 27 [2018-04-13 11:50:39,995 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:40,004 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2018-04-13 11:50:40,004 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:40,009 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:40,019 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:40,020 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:156, output treesize:31 [2018-04-13 11:50:40,174 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:50:40,175 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:50:40,175 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-04-13 11:50:40,175 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-13 11:50:40,175 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-13 11:50:40,175 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=991, Unknown=0, NotChecked=0, Total=1122 [2018-04-13 11:50:40,175 INFO L87 Difference]: Start difference. First operand 357 states and 392 transitions. Second operand 34 states. [2018-04-13 11:50:43,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:50:43,424 INFO L93 Difference]: Finished difference Result 445 states and 483 transitions. [2018-04-13 11:50:43,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-04-13 11:50:43,425 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 86 [2018-04-13 11:50:43,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:50:43,426 INFO L225 Difference]: With dead ends: 445 [2018-04-13 11:50:43,426 INFO L226 Difference]: Without dead ends: 445 [2018-04-13 11:50:43,426 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1265 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=537, Invalid=4155, Unknown=0, NotChecked=0, Total=4692 [2018-04-13 11:50:43,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2018-04-13 11:50:43,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 373. [2018-04-13 11:50:43,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2018-04-13 11:50:43,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 412 transitions. [2018-04-13 11:50:43,428 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 412 transitions. Word has length 86 [2018-04-13 11:50:43,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:50:43,428 INFO L459 AbstractCegarLoop]: Abstraction has 373 states and 412 transitions. [2018-04-13 11:50:43,428 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-13 11:50:43,428 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 412 transitions. [2018-04-13 11:50:43,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-04-13 11:50:43,429 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:50:43,429 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:50:43,429 INFO L408 AbstractCegarLoop]: === Iteration 89 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:50:43,429 INFO L82 PathProgramCache]: Analyzing trace with hash -872418065, now seen corresponding path program 1 times [2018-04-13 11:50:43,429 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:50:43,429 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:50:43,429 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:50:43,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:50:43,430 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:50:43,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:50:43,440 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:50:43,442 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:50:43,442 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:50:43,442 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:50:43,442 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:50:43,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:50:43,475 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:50:43,479 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-04-13 11:50:43,479 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-13 11:50:43,480 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:43,481 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:43,483 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:43,483 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:19, output treesize:15 [2018-04-13 11:50:43,493 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:43,494 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:43,494 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 12 [2018-04-13 11:50:43,494 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:43,498 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:43,498 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:23 [2018-04-13 11:50:43,508 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 19 [2018-04-13 11:50:43,510 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:43,510 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 11:50:43,511 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:43,514 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:43,524 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:50:43,525 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:50:43,525 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:43,526 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:43,534 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:43,534 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:50, output treesize:36 [2018-04-13 11:50:43,567 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 39 [2018-04-13 11:50:43,568 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:50:43,568 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:43,573 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:43,585 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 47 [2018-04-13 11:50:43,587 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:50:43,587 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:43,591 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:43,600 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:43,600 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:78, output treesize:62 [2018-04-13 11:50:43,617 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 33 [2018-04-13 11:50:43,618 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:43,619 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2018-04-13 11:50:43,620 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:43,624 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:50:43,624 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:43,625 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:43,629 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:43,629 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:70, output treesize:37 [2018-04-13 11:50:43,657 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 35 [2018-04-13 11:50:43,659 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2018-04-13 11:50:43,659 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:43,664 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:43,671 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:43,672 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:56, output treesize:44 [2018-04-13 11:50:43,691 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:43,692 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:43,692 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:43,692 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 46 [2018-04-13 11:50:43,693 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:43,704 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:43,705 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:68 [2018-04-13 11:50:43,728 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2018-04-13 11:50:43,728 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:43,748 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 12 [2018-04-13 11:50:43,749 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-13 11:50:43,749 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:43,751 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:43,763 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:43,764 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 49 [2018-04-13 11:50:43,771 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 27 [2018-04-13 11:50:43,771 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:43,782 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:50:43,800 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:50:43,801 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:92, output treesize:100 [2018-04-13 11:50:43,853 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 77 [2018-04-13 11:50:43,854 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:50:43,855 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:43,862 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:43,874 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2018-04-13 11:50:43,876 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:50:43,876 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:43,879 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:43,889 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:43,889 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:87, output treesize:71 [2018-04-13 11:50:43,956 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 105 [2018-04-13 11:50:43,958 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:43,963 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 51 [2018-04-13 11:50:43,963 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:43,981 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:50:44,022 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 91 [2018-04-13 11:50:44,024 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 21 [2018-04-13 11:50:44,024 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:44,031 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:44,035 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 107 [2018-04-13 11:50:44,036 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:44,037 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 39 [2018-04-13 11:50:44,037 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:44,048 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:44,074 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2018-04-13 11:50:44,074 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:146, output treesize:211 [2018-04-13 11:50:44,300 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 94 [2018-04-13 11:50:44,302 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2018-04-13 11:50:44,302 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:44,319 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 35 [2018-04-13 11:50:44,319 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:44,333 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2018-04-13 11:50:44,333 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:44,345 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:44,374 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 78 [2018-04-13 11:50:44,375 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2018-04-13 11:50:44,376 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:44,387 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 16 [2018-04-13 11:50:44,387 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:44,397 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:50:44,397 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:44,405 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:44,432 INFO L267 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 2 dim-2 vars, End of recursive call: 8 dim-0 vars, and 2 xjuncts. [2018-04-13 11:50:44,432 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 11 variables, input treesize:253, output treesize:125 [2018-04-13 11:50:44,578 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 67 [2018-04-13 11:50:44,579 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2018-04-13 11:50:44,579 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:44,590 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2018-04-13 11:50:44,591 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:44,603 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:50:44,603 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:44,613 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:50:44,646 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 58 [2018-04-13 11:50:44,651 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:50:44,651 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:44,663 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2018-04-13 11:50:44,663 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:44,679 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:50:44,716 INFO L267 ElimStorePlain]: Start of recursive call 1: 12 dim-0 vars, 2 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-13 11:50:44,716 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 14 variables, input treesize:151, output treesize:18 [2018-04-13 11:50:44,845 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:50:44,846 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:50:44,846 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-04-13 11:50:44,846 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-13 11:50:44,846 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-13 11:50:44,846 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=670, Unknown=0, NotChecked=0, Total=756 [2018-04-13 11:50:44,846 INFO L87 Difference]: Start difference. First operand 373 states and 412 transitions. Second operand 28 states. [2018-04-13 11:50:46,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:50:46,433 INFO L93 Difference]: Finished difference Result 389 states and 424 transitions. [2018-04-13 11:50:46,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-13 11:50:46,434 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 87 [2018-04-13 11:50:46,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:50:46,435 INFO L225 Difference]: With dead ends: 389 [2018-04-13 11:50:46,435 INFO L226 Difference]: Without dead ends: 389 [2018-04-13 11:50:46,435 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 710 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=298, Invalid=2458, Unknown=0, NotChecked=0, Total=2756 [2018-04-13 11:50:46,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2018-04-13 11:50:46,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 374. [2018-04-13 11:50:46,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2018-04-13 11:50:46,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 414 transitions. [2018-04-13 11:50:46,437 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 414 transitions. Word has length 87 [2018-04-13 11:50:46,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:50:46,437 INFO L459 AbstractCegarLoop]: Abstraction has 374 states and 414 transitions. [2018-04-13 11:50:46,437 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-13 11:50:46,437 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 414 transitions. [2018-04-13 11:50:46,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-04-13 11:50:46,438 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:50:46,438 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:50:46,438 INFO L408 AbstractCegarLoop]: === Iteration 90 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:50:46,438 INFO L82 PathProgramCache]: Analyzing trace with hash -872418013, now seen corresponding path program 1 times [2018-04-13 11:50:46,438 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:50:46,438 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:50:46,439 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:50:46,439 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:50:46,439 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:50:46,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:50:46,448 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:50:46,450 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:50:46,450 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:50:46,450 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:50:46,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:50:46,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:50:46,483 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:50:46,487 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-04-13 11:50:46,488 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-13 11:50:46,488 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:46,489 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:46,491 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:46,491 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:19, output treesize:15 [2018-04-13 11:50:46,501 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:50:46,501 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:46,508 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:46,509 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:46,509 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 12 [2018-04-13 11:50:46,509 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:46,515 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:46,515 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:35, output treesize:28 [2018-04-13 11:50:46,525 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:50:46,526 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:50:46,526 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:46,528 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:46,541 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 19 [2018-04-13 11:50:46,542 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:46,543 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 11:50:46,543 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:46,547 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:46,556 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:46,556 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:55, output treesize:45 [2018-04-13 11:50:46,585 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 64 [2018-04-13 11:50:46,587 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:50:46,587 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:46,593 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:46,607 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 39 [2018-04-13 11:50:46,608 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:50:46,608 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:46,613 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:46,622 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:46,623 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:87, output treesize:71 [2018-04-13 11:50:46,684 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 54 [2018-04-13 11:50:46,686 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 25 [2018-04-13 11:50:46,687 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:46,694 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:46,717 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 68 [2018-04-13 11:50:46,719 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2018-04-13 11:50:46,719 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:46,728 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:46,743 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:46,743 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:109, output treesize:97 [2018-04-13 11:50:46,776 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:46,776 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 11:50:46,776 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:46,803 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:46,803 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:46,804 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:46,804 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 46 [2018-04-13 11:50:46,804 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:46,827 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:46,827 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:117, output treesize:126 [2018-04-13 11:50:46,874 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2018-04-13 11:50:46,874 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:46,905 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:46,906 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:46,907 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 77 [2018-04-13 11:50:46,915 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 31 [2018-04-13 11:50:46,915 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:46,936 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:50:46,984 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 106 [2018-04-13 11:50:46,986 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:46,988 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 31 [2018-04-13 11:50:46,988 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:47,002 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:47,007 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 79 [2018-04-13 11:50:47,009 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 17 [2018-04-13 11:50:47,009 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:47,021 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:47,061 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:50:47,061 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 6 variables, input treesize:153, output treesize:207 [2018-04-13 11:50:47,150 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 77 [2018-04-13 11:50:47,152 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:50:47,152 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:47,161 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:47,184 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 87 [2018-04-13 11:50:47,186 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:50:47,186 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:47,196 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:47,211 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:47,211 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:125, output treesize:109 [2018-04-13 11:50:47,304 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 94 [2018-04-13 11:50:47,333 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 39 [2018-04-13 11:50:47,334 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:47,352 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:50:47,425 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 138 [2018-04-13 11:50:47,430 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:47,437 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 51 [2018-04-13 11:50:47,437 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:47,477 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:50:47,486 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:47,487 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 161 treesize of output 136 [2018-04-13 11:50:47,490 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 29 [2018-04-13 11:50:47,490 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:47,514 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:47,589 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2018-04-13 11:50:47,589 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:188, output treesize:295 [2018-04-13 11:50:47,904 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 171 treesize of output 114 [2018-04-13 11:50:47,906 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:47,907 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:47,907 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2018-04-13 11:50:47,907 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:47,925 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 32 [2018-04-13 11:50:47,925 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:47,943 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2018-04-13 11:50:47,943 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:47,958 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:47,995 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 98 [2018-04-13 11:50:47,997 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2018-04-13 11:50:47,997 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:48,014 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2018-04-13 11:50:48,014 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:48,029 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:50:48,029 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:48,041 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:48,074 INFO L267 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 2 dim-2 vars, End of recursive call: 8 dim-0 vars, and 2 xjuncts. [2018-04-13 11:50:48,074 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 11 variables, input treesize:309, output treesize:167 [2018-04-13 11:50:48,243 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 95 [2018-04-13 11:50:48,244 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:50:48,245 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2018-04-13 11:50:48,245 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:48,267 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 27 [2018-04-13 11:50:48,267 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:48,280 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:48,280 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:50:48,280 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2018-04-13 11:50:48,281 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:48,289 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:48,321 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 75 [2018-04-13 11:50:48,323 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:50:48,323 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-13 11:50:48,324 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:48,347 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:48,348 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:50:48,349 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2018-04-13 11:50:48,349 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:48,364 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:48,382 INFO L267 ElimStorePlain]: Start of recursive call 1: 12 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2018-04-13 11:50:48,382 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 14 variables, input treesize:201, output treesize:37 [2018-04-13 11:50:48,541 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:50:48,542 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:50:48,542 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-04-13 11:50:48,542 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-13 11:50:48,542 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-13 11:50:48,542 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=612, Unknown=0, NotChecked=0, Total=702 [2018-04-13 11:50:48,542 INFO L87 Difference]: Start difference. First operand 374 states and 414 transitions. Second operand 27 states. [2018-04-13 11:50:49,839 WARN L151 SmtUtils]: Spent 129ms on a formula simplification. DAG size of input: 139 DAG size of output 138 [2018-04-13 11:50:50,065 WARN L151 SmtUtils]: Spent 138ms on a formula simplification. DAG size of input: 147 DAG size of output 139 [2018-04-13 11:50:50,314 WARN L151 SmtUtils]: Spent 115ms on a formula simplification. DAG size of input: 134 DAG size of output 134 [2018-04-13 11:50:50,482 WARN L151 SmtUtils]: Spent 110ms on a formula simplification. DAG size of input: 134 DAG size of output 134 [2018-04-13 11:50:50,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:50:50,910 INFO L93 Difference]: Finished difference Result 392 states and 427 transitions. [2018-04-13 11:50:50,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-13 11:50:50,910 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 87 [2018-04-13 11:50:50,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:50:50,911 INFO L225 Difference]: With dead ends: 392 [2018-04-13 11:50:50,911 INFO L226 Difference]: Without dead ends: 392 [2018-04-13 11:50:50,911 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 60 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 599 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=294, Invalid=2058, Unknown=0, NotChecked=0, Total=2352 [2018-04-13 11:50:50,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2018-04-13 11:50:50,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 375. [2018-04-13 11:50:50,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2018-04-13 11:50:50,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 415 transitions. [2018-04-13 11:50:50,913 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 415 transitions. Word has length 87 [2018-04-13 11:50:50,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:50:50,913 INFO L459 AbstractCegarLoop]: Abstraction has 375 states and 415 transitions. [2018-04-13 11:50:50,913 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-13 11:50:50,913 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 415 transitions. [2018-04-13 11:50:50,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-04-13 11:50:50,914 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:50:50,914 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:50:50,914 INFO L408 AbstractCegarLoop]: === Iteration 91 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:50:50,914 INFO L82 PathProgramCache]: Analyzing trace with hash 1209383015, now seen corresponding path program 1 times [2018-04-13 11:50:50,914 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:50:50,914 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:50:50,915 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:50:50,915 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:50:50,915 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:50:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:50:50,923 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:50:50,925 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:50:50,925 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:50:50,925 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:50:50,925 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:50:50,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:50:50,971 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:50:50,984 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:50,985 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:50,985 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-13 11:50:50,985 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:50,992 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:50,992 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2018-04-13 11:50:51,003 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:50:51,004 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:50:51,004 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:51,005 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:51,014 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:50:51,015 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:50:51,015 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:51,016 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:51,023 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:51,023 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:46, output treesize:39 [2018-04-13 11:50:51,056 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 37 [2018-04-13 11:50:51,058 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:50:51,058 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:51,063 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:51,077 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 56 [2018-04-13 11:50:51,078 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:50:51,078 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:51,083 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:51,093 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:51,093 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:88, output treesize:72 [2018-04-13 11:50:51,162 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 52 [2018-04-13 11:50:51,164 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:51,165 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 35 [2018-04-13 11:50:51,165 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:51,173 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:51,191 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:51,191 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 81 [2018-04-13 11:50:51,193 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:51,194 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 35 [2018-04-13 11:50:51,194 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:51,203 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:51,215 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:51,215 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:102, output treesize:98 [2018-04-13 11:50:51,243 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:50:51,243 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:51,260 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:51,261 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:51,261 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:51,261 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-04-13 11:50:51,261 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:51,276 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:51,277 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:112, output treesize:104 [2018-04-13 11:50:51,305 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:51,306 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:51,306 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:51,307 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 93 [2018-04-13 11:50:51,312 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:51,322 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 85 [2018-04-13 11:50:51,323 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 11:50:51,344 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:51,362 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:51,363 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:50:51,365 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 107 [2018-04-13 11:50:51,367 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:51,368 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 80 [2018-04-13 11:50:51,368 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:51,378 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:51,391 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:51,391 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:123, output treesize:152 [2018-04-13 11:50:51,434 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:51,434 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:51,435 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:51,435 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:51,440 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 191 treesize of output 215 [2018-04-13 11:50:51,441 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:50:51,442 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:51,461 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:51,480 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:51,480 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:51,485 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 165 [2018-04-13 11:50:51,487 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:50:51,487 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:51,500 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:51,523 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:51,523 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:194, output treesize:164 [2018-04-13 11:50:51,612 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:51,616 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:51,617 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:51,617 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:51,618 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 428 treesize of output 371 [2018-04-13 11:50:51,621 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:51,627 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 130 treesize of output 187 [2018-04-13 11:50:51,628 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:51,661 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:50:51,713 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:51,714 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:51,720 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 347 treesize of output 385 [2018-04-13 11:50:51,722 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:51,722 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:50:51,722 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 148 [2018-04-13 11:50:51,723 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:51,743 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:51,745 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:51,745 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:51,748 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:50:51,749 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 339 treesize of output 404 [2018-04-13 11:50:51,751 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 88 [2018-04-13 11:50:51,751 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:51,766 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:51,805 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-13 11:50:51,805 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:431, output treesize:575 [2018-04-13 11:50:51,857 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-13 11:50:51,857 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:51,872 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:51,872 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:256, output treesize:251 [2018-04-13 11:50:51,943 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:51,944 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:51,944 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:51,945 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:51,945 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:51,946 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 252 treesize of output 192 [2018-04-13 11:50:51,959 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 65 [2018-04-13 11:50:51,960 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:51,982 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:51,983 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:50:51,983 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 64 [2018-04-13 11:50:51,983 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:51,993 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 29 [2018-04-13 11:50:51,993 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:52,001 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:52,009 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:52,009 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:252, output treesize:63 [2018-04-13 11:50:52,133 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 49 [2018-04-13 11:50:52,134 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:50:52,135 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-13 11:50:52,135 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:52,143 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:52,144 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 8 [2018-04-13 11:50:52,144 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:52,148 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-04-13 11:50:52,148 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:52,151 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:52,157 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:52,157 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:80, output treesize:14 [2018-04-13 11:50:52,268 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:50:52,268 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:50:52,269 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-13 11:50:52,269 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-13 11:50:52,269 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-13 11:50:52,269 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=711, Unknown=0, NotChecked=0, Total=812 [2018-04-13 11:50:52,269 INFO L87 Difference]: Start difference. First operand 375 states and 415 transitions. Second operand 29 states. [2018-04-13 11:50:54,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:50:54,359 INFO L93 Difference]: Finished difference Result 409 states and 447 transitions. [2018-04-13 11:50:54,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-13 11:50:54,359 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 87 [2018-04-13 11:50:54,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:50:54,360 INFO L225 Difference]: With dead ends: 409 [2018-04-13 11:50:54,360 INFO L226 Difference]: Without dead ends: 409 [2018-04-13 11:50:54,361 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 804 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=504, Invalid=2918, Unknown=0, NotChecked=0, Total=3422 [2018-04-13 11:50:54,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2018-04-13 11:50:54,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 391. [2018-04-13 11:50:54,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2018-04-13 11:50:54,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 435 transitions. [2018-04-13 11:50:54,363 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 435 transitions. Word has length 87 [2018-04-13 11:50:54,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:50:54,363 INFO L459 AbstractCegarLoop]: Abstraction has 391 states and 435 transitions. [2018-04-13 11:50:54,363 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-13 11:50:54,363 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 435 transitions. [2018-04-13 11:50:54,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-04-13 11:50:54,363 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:50:54,363 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:50:54,364 INFO L408 AbstractCegarLoop]: === Iteration 92 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:50:54,364 INFO L82 PathProgramCache]: Analyzing trace with hash -2009113502, now seen corresponding path program 1 times [2018-04-13 11:50:54,364 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:50:54,364 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:50:54,364 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:50:54,364 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:50:54,364 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:50:54,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:50:54,376 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:50:54,379 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:50:54,379 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:50:54,379 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:50:54,379 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:50:54,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:50:54,432 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:50:54,455 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:54,456 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:54,456 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 24 [2018-04-13 11:50:54,457 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:54,464 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:54,464 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:30 [2018-04-13 11:50:54,477 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:50:54,479 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:50:54,479 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:54,480 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:54,490 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:50:54,492 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:50:54,492 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:54,493 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:54,500 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:54,500 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:54, output treesize:42 [2018-04-13 11:50:54,537 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 37 [2018-04-13 11:50:54,539 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:50:54,539 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:54,543 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:54,557 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 56 [2018-04-13 11:50:54,558 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:50:54,558 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:54,563 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:54,573 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:54,573 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:91, output treesize:75 [2018-04-13 11:50:54,596 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2018-04-13 11:50:54,598 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:50:54,598 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:54,603 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2018-04-13 11:50:54,603 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:54,605 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:54,613 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:54,613 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:83, output treesize:55 [2018-04-13 11:50:54,649 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:54,650 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 53 [2018-04-13 11:50:54,651 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:54,652 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 31 [2018-04-13 11:50:54,652 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:54,658 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:54,667 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:54,667 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:74, output treesize:50 [2018-04-13 11:50:54,687 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 14 [2018-04-13 11:50:54,688 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:50:54,688 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:54,689 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:54,699 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:54,699 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:60, output treesize:60 [2018-04-13 11:50:54,724 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:54,725 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:54,725 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:54,726 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 49 [2018-04-13 11:50:54,726 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:54,740 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:54,740 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:74, output treesize:84 [2018-04-13 11:50:54,771 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 12 [2018-04-13 11:50:54,773 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-13 11:50:54,773 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:54,774 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:54,796 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:54,797 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:54,798 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:54,798 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 93 [2018-04-13 11:50:54,801 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:54,812 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 49 treesize of output 67 [2018-04-13 11:50:54,812 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 11:50:54,831 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:54,845 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:54,845 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:111, output treesize:89 [2018-04-13 11:50:54,872 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2018-04-13 11:50:54,874 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-13 11:50:54,874 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:54,876 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:54,888 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:54,889 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:103, output treesize:88 [2018-04-13 11:50:54,918 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:54,919 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:54,922 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 93 [2018-04-13 11:50:54,924 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:50:54,924 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:54,933 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:54,946 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:50:54,946 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:102, output treesize:94 [2018-04-13 11:50:55,055 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:55,060 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:55,061 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 120 [2018-04-13 11:50:55,064 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:55,069 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 35 [2018-04-13 11:50:55,069 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:55,088 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:50:55,116 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-13 11:50:55,116 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:137, output treesize:196 [2018-04-13 11:50:55,184 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:55,187 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 132 [2018-04-13 11:50:55,188 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2018-04-13 11:50:55,188 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:55,205 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:55,248 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:55,250 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 117 [2018-04-13 11:50:55,252 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2018-04-13 11:50:55,252 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:55,267 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:55,311 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-13 11:50:55,311 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 7 variables, input treesize:222, output treesize:198 [2018-04-13 11:50:55,349 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:55,350 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:55,350 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:55,351 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:55,352 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:55,352 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:55,352 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 154 [2018-04-13 11:50:55,353 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:55,398 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:55,399 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:55,400 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:55,400 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:55,401 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:55,401 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:55,402 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 169 [2018-04-13 11:50:55,402 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:55,452 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-13 11:50:55,452 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:218, output treesize:264 [2018-04-13 11:50:55,548 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:55,548 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:55,550 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:55,551 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:55,553 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 155 treesize of output 165 [2018-04-13 11:50:55,555 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:55,556 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:55,556 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 132 [2018-04-13 11:50:55,556 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:55,582 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:55,629 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:55,630 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:55,632 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:55,632 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:55,634 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 149 [2018-04-13 11:50:55,636 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2018-04-13 11:50:55,636 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:55,657 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:55,698 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-13 11:50:55,698 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 7 variables, input treesize:296, output treesize:282 [2018-04-13 11:50:55,849 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:55,850 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:55,858 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:55,862 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 194 [2018-04-13 11:50:55,865 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:50:55,865 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:55,897 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:55,944 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:55,945 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:55,948 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:55,951 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 161 [2018-04-13 11:50:55,953 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:50:55,953 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:55,973 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:56,017 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2018-04-13 11:50:56,017 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 7 variables, input treesize:324, output treesize:302 [2018-04-13 11:50:56,287 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:56,294 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:56,298 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 221 treesize of output 190 [2018-04-13 11:50:56,301 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:56,305 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 43 [2018-04-13 11:50:56,305 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:56,337 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:50:56,426 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:56,427 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:56,428 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:56,437 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 207 [2018-04-13 11:50:56,441 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:56,445 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 43 [2018-04-13 11:50:56,446 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:56,489 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:50:56,605 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 2 dim-2 vars, End of recursive call: 12 dim-0 vars, and 4 xjuncts. [2018-04-13 11:50:56,605 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 9 variables, input treesize:484, output treesize:753 [2018-04-13 11:50:56,799 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 186 [2018-04-13 11:50:56,801 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2018-04-13 11:50:56,801 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:56,819 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:56,879 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 208 treesize of output 217 [2018-04-13 11:50:56,881 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2018-04-13 11:50:56,881 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:56,905 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:56,966 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2018-04-13 11:50:56,966 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 7 variables, input treesize:386, output treesize:402 [2018-04-13 11:50:57,081 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 271 treesize of output 242 [2018-04-13 11:50:57,082 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2018-04-13 11:50:57,083 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:57,101 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:57,147 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 211 [2018-04-13 11:50:57,148 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2018-04-13 11:50:57,148 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:57,165 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:57,215 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 2 dim-2 vars, End of recursive call: 7 dim-0 vars, and 2 xjuncts. [2018-04-13 11:50:57,215 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 9 variables, input treesize:512, output treesize:402 [2018-04-13 11:50:57,312 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:57,313 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 230 treesize of output 250 [2018-04-13 11:50:57,313 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:57,359 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:57,359 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 199 treesize of output 163 [2018-04-13 11:50:57,359 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:57,396 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:57,398 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:57,399 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 155 treesize of output 99 [2018-04-13 11:50:57,413 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 47 [2018-04-13 11:50:57,414 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:50:57,426 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-13 11:50:57,426 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:57,435 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 18 [2018-04-13 11:50:57,435 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:57,443 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2018-04-13 11:50:57,443 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:57,448 INFO L267 ElimStorePlain]: Start of recursive call 4: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:57,480 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:57,482 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:50:57,484 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 176 treesize of output 108 [2018-04-13 11:50:57,486 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-13 11:50:57,486 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:57,503 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2018-04-13 11:50:57,503 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:57,514 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 18 [2018-04-13 11:50:57,515 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:57,524 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2018-04-13 11:50:57,525 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:57,531 INFO L267 ElimStorePlain]: Start of recursive call 9: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:57,545 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 2 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:57,545 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 11 variables, input treesize:430, output treesize:22 [2018-04-13 11:50:57,593 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-04-13 11:50:57,596 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 14 [2018-04-13 11:50:57,596 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 11:50:57,598 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:50:57,602 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:50:57,602 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:28, output treesize:22 [2018-04-13 11:50:57,649 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-04-13 11:50:57,650 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2018-04-13 11:50:57,650 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:50:57,650 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:57,651 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:50:57,651 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:4 [2018-04-13 11:50:57,757 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:50:57,757 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:50:57,758 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-04-13 11:50:57,758 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-04-13 11:50:57,758 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-04-13 11:50:57,758 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=1118, Unknown=3, NotChecked=0, Total=1260 [2018-04-13 11:50:57,758 INFO L87 Difference]: Start difference. First operand 391 states and 435 transitions. Second operand 36 states. [2018-04-13 11:50:59,604 WARN L151 SmtUtils]: Spent 121ms on a formula simplification. DAG size of input: 104 DAG size of output 85 [2018-04-13 11:50:59,905 WARN L151 SmtUtils]: Spent 138ms on a formula simplification. DAG size of input: 126 DAG size of output 122 [2018-04-13 11:51:00,565 WARN L151 SmtUtils]: Spent 102ms on a formula simplification. DAG size of input: 104 DAG size of output 104 [2018-04-13 11:51:01,307 WARN L151 SmtUtils]: Spent 113ms on a formula simplification. DAG size of input: 107 DAG size of output 105 [2018-04-13 11:51:02,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:51:02,120 INFO L93 Difference]: Finished difference Result 528 states and 583 transitions. [2018-04-13 11:51:02,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-04-13 11:51:02,120 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 87 [2018-04-13 11:51:02,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:51:02,122 INFO L225 Difference]: With dead ends: 528 [2018-04-13 11:51:02,122 INFO L226 Difference]: Without dead ends: 522 [2018-04-13 11:51:02,122 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1370 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=590, Invalid=5102, Unknown=8, NotChecked=0, Total=5700 [2018-04-13 11:51:02,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2018-04-13 11:51:02,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 410. [2018-04-13 11:51:02,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 410 states. [2018-04-13 11:51:02,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 456 transitions. [2018-04-13 11:51:02,126 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 456 transitions. Word has length 87 [2018-04-13 11:51:02,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:51:02,126 INFO L459 AbstractCegarLoop]: Abstraction has 410 states and 456 transitions. [2018-04-13 11:51:02,127 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-04-13 11:51:02,127 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 456 transitions. [2018-04-13 11:51:02,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-04-13 11:51:02,127 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:51:02,127 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:51:02,127 INFO L408 AbstractCegarLoop]: === Iteration 93 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:51:02,128 INFO L82 PathProgramCache]: Analyzing trace with hash -274572134, now seen corresponding path program 2 times [2018-04-13 11:51:02,128 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:51:02,129 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:51:02,129 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:51:02,129 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:51:02,129 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:51:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:51:02,143 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:51:02,146 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:51:02,146 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:51:02,146 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:51:02,147 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-13 11:51:02,208 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-13 11:51:02,209 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 11:51:02,211 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:51:02,213 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:51:02,213 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:02,216 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:51:02,217 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:02,219 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:02,219 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-13 11:51:02,233 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:02,234 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-13 11:51:02,234 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:02,241 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:02,241 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:02,242 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 12 [2018-04-13 11:51:02,242 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:02,246 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:02,246 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:31, output treesize:24 [2018-04-13 11:51:02,255 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:51:02,256 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:51:02,257 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:02,258 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:02,265 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:02,265 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:43, output treesize:40 [2018-04-13 11:51:02,293 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 43 [2018-04-13 11:51:02,294 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:51:02,294 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:02,298 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:02,307 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:02,307 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:61, output treesize:53 [2018-04-13 11:51:02,329 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2018-04-13 11:51:02,330 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-13 11:51:02,330 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:02,331 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:02,337 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:02,337 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:61, output treesize:54 [2018-04-13 11:51:02,379 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 44 [2018-04-13 11:51:02,382 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2018-04-13 11:51:02,382 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:02,389 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:02,403 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:02,403 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:73, output treesize:61 [2018-04-13 11:51:02,450 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 14 [2018-04-13 11:51:02,452 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:51:02,452 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:02,453 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:02,466 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:02,466 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:84, output treesize:84 [2018-04-13 11:51:02,503 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:02,503 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:02,503 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 54 [2018-04-13 11:51:02,504 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:02,534 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:02,535 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:02,535 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:02,536 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 49 [2018-04-13 11:51:02,536 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:02,554 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:02,554 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:101, output treesize:118 [2018-04-13 11:51:02,592 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:02,592 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:02,593 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:02,593 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 109 [2018-04-13 11:51:02,612 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 72 [2018-04-13 11:51:02,613 INFO L267 ElimStorePlain]: Start of recursive call 3: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 6 xjuncts. [2018-04-13 11:51:02,646 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:51:02,682 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:51:02,682 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:134, output treesize:214 [2018-04-13 11:51:02,778 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:02,781 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:02,783 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 125 [2018-04-13 11:51:02,784 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2018-04-13 11:51:02,784 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:02,797 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:02,814 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:02,814 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:152, output treesize:140 [2018-04-13 11:51:02,850 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:02,856 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:02,877 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 129 treesize of output 151 [2018-04-13 11:51:02,877 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-04-13 11:51:02,886 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:03,399 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:03,404 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 106 treesize of output 121 [2018-04-13 11:51:03,404 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-13 11:51:03,785 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:03,790 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 107 treesize of output 99 [2018-04-13 11:51:03,790 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:51:03,990 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 125 [2018-04-13 11:51:03,991 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:04,113 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 98 treesize of output 98 [2018-04-13 11:51:04,114 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:51:04,220 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:04,344 INFO L267 ElimStorePlain]: Start of recursive call 2: 8 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2018-04-13 11:51:04,471 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 15 dim-0 vars, and 6 xjuncts. [2018-04-13 11:51:04,471 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 3 variables, input treesize:156, output treesize:827 [2018-04-13 11:51:04,696 WARN L151 SmtUtils]: Spent 156ms on a formula simplification. DAG size of input: 202 DAG size of output 135 [2018-04-13 11:51:04,708 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 146 [2018-04-13 11:51:04,710 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2018-04-13 11:51:04,710 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:04,735 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:04,880 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:04,883 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 126 [2018-04-13 11:51:04,884 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-04-13 11:51:04,884 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:04,908 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:05,056 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 172 treesize of output 186 [2018-04-13 11:51:05,059 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 176 [2018-04-13 11:51:05,059 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:05,161 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:05,263 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:51:05,263 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 125 [2018-04-13 11:51:05,265 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 19 [2018-04-13 11:51:05,265 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:05,284 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:05,381 INFO L267 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 4 dim-2 vars, End of recursive call: 8 dim-0 vars, and 4 xjuncts. [2018-04-13 11:51:05,382 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 12 variables, input treesize:573, output treesize:548 [2018-04-13 11:51:05,523 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:05,524 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:05,524 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:05,525 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:05,525 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 213 [2018-04-13 11:51:05,526 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:05,685 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:05,686 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:05,686 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:05,687 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:05,687 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:05,688 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:05,688 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 216 [2018-04-13 11:51:05,692 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:05,846 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:05,847 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:05,847 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:05,848 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:05,848 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 138 treesize of output 169 [2018-04-13 11:51:05,848 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:06,006 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:06,007 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:06,007 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:06,008 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:06,008 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:06,009 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 180 [2018-04-13 11:51:06,009 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:06,158 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:06,158 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:06,159 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:06,160 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:06,160 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 161 [2018-04-13 11:51:06,160 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:06,308 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 167 [2018-04-13 11:51:06,309 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:06,455 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:06,457 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:06,458 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:06,458 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:06,459 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:06,459 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:06,460 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 185 treesize of output 256 [2018-04-13 11:51:06,460 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:06,608 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:06,608 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 211 treesize of output 238 [2018-04-13 11:51:06,609 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:06,747 INFO L267 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 8 dim-1 vars, End of recursive call: 8 dim-0 vars, and 4 xjuncts. [2018-04-13 11:51:06,748 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 16 variables, input treesize:616, output treesize:708 [2018-04-13 11:51:06,918 WARN L148 SmtUtils]: Spent 103ms on a formula simplification that was a NOOP. DAG size: 164 [2018-04-13 11:51:06,925 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:06,926 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:06,928 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:06,928 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:06,930 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 198 treesize of output 202 [2018-04-13 11:51:06,932 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 22 [2018-04-13 11:51:06,933 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:06,966 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:07,158 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:07,163 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:07,164 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:07,194 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 225 treesize of output 237 [2018-04-13 11:51:07,194 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-04-13 11:51:07,208 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-04-13 11:51:07,208 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:07,947 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:08,412 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:08,862 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 176 treesize of output 180 [2018-04-13 11:51:08,862 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:09,636 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:09,637 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:09,637 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 212 [2018-04-13 11:51:09,637 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:09,960 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:09,961 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:09,961 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 208 [2018-04-13 11:51:09,961 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:10,268 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 216 treesize of output 206 [2018-04-13 11:51:10,269 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:10,346 INFO L267 ElimStorePlain]: Start of recursive call 4: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:10,508 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:10,509 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:10,510 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:10,512 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:10,513 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 185 [2018-04-13 11:51:10,524 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 57 [2018-04-13 11:51:10,524 INFO L267 ElimStorePlain]: Start of recursive call 13: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 11:51:10,566 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:10,714 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:10,716 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:10,717 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:10,718 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 178 [2018-04-13 11:51:10,728 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 57 [2018-04-13 11:51:10,728 INFO L267 ElimStorePlain]: Start of recursive call 15: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 11:51:10,763 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:10,897 INFO L267 ElimStorePlain]: Start of recursive call 1: 12 dim-0 vars, 4 dim-2 vars, End of recursive call: 8 dim-0 vars, and 4 xjuncts. [2018-04-13 11:51:10,897 INFO L202 ElimStorePlain]: Needed 15 recursive calls to eliminate 16 variables, input treesize:752, output treesize:728 [2018-04-13 11:51:11,239 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:11,247 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:11,252 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 253 treesize of output 242 [2018-04-13 11:51:11,255 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:51:11,255 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:11,290 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:11,479 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:11,480 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:11,486 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 200 [2018-04-13 11:51:11,488 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:51:11,488 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:11,521 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:11,686 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:11,687 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:11,693 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 185 [2018-04-13 11:51:11,695 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:51:11,695 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:11,725 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:11,875 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:11,875 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:11,880 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:11,883 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 213 treesize of output 216 [2018-04-13 11:51:11,885 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:51:11,885 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:11,916 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:12,072 INFO L267 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 4 dim-2 vars, End of recursive call: 12 dim-0 vars, and 4 xjuncts. [2018-04-13 11:51:12,073 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 13 variables, input treesize:839, output treesize:780 [2018-04-13 11:51:12,639 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:12,643 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:12,650 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 188 treesize of output 210 [2018-04-13 11:51:12,653 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2018-04-13 11:51:12,653 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:12,694 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:12,916 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:12,919 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:12,926 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 215 treesize of output 219 [2018-04-13 11:51:12,930 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:12,934 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 35 [2018-04-13 11:51:12,934 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-13 11:51:12,984 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:51:13,247 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:13,259 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:13,266 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 257 treesize of output 274 [2018-04-13 11:51:13,273 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 11:51:13,273 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-04-13 11:51:13,325 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:51:13,629 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:13,634 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:13,642 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 295 treesize of output 252 [2018-04-13 11:51:13,646 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:13,650 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 43 [2018-04-13 11:51:13,650 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-04-13 11:51:13,693 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:51:14,039 INFO L267 ElimStorePlain]: Start of recursive call 1: 16 dim-0 vars, 4 dim-2 vars, End of recursive call: 24 dim-0 vars, and 7 xjuncts. [2018-04-13 11:51:14,039 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 20 variables, input treesize:956, output treesize:1599 [2018-04-13 11:51:14,386 WARN L151 SmtUtils]: Spent 197ms on a formula simplification. DAG size of input: 328 DAG size of output 199 [2018-04-13 11:51:14,614 WARN L148 SmtUtils]: Spent 100ms on a formula simplification that was a NOOP. DAG size: 202 [2018-04-13 11:51:14,621 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:14,626 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 188 treesize of output 201 [2018-04-13 11:51:14,628 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:51:14,628 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:14,665 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:14,892 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:14,899 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 248 treesize of output 253 [2018-04-13 11:51:14,900 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:51:14,901 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:14,937 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:15,140 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 208 treesize of output 225 [2018-04-13 11:51:15,142 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2018-04-13 11:51:15,164 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:15,199 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:15,378 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:15,383 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 266 treesize of output 287 [2018-04-13 11:51:15,385 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2018-04-13 11:51:15,385 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:15,420 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:15,583 INFO L267 ElimStorePlain]: Start of recursive call 1: 13 dim-0 vars, 4 dim-2 vars, End of recursive call: 13 dim-0 vars, and 4 xjuncts. [2018-04-13 11:51:15,584 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 17 variables, input treesize:911, output treesize:929 [2018-04-13 11:51:15,816 WARN L148 SmtUtils]: Spent 106ms on a formula simplification that was a NOOP. DAG size: 214 [2018-04-13 11:51:15,848 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:15,848 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 354 treesize of output 294 [2018-04-13 11:51:15,848 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:15,850 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:15,851 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 244 treesize of output 208 [2018-04-13 11:51:15,851 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:15,853 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:15,853 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 284 treesize of output 264 [2018-04-13 11:51:15,854 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:15,856 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:15,856 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 292 treesize of output 248 [2018-04-13 11:51:15,857 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:16,011 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:16,011 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:16,015 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 196 treesize of output 213 [2018-04-13 11:51:16,017 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 17 [2018-04-13 11:51:16,017 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:16,046 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:16,169 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:16,171 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 208 treesize of output 191 [2018-04-13 11:51:16,173 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2018-04-13 11:51:16,173 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:16,195 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:16,321 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:16,325 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 220 treesize of output 213 [2018-04-13 11:51:16,327 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 17 [2018-04-13 11:51:16,327 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:16,353 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:16,474 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:16,478 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 250 treesize of output 227 [2018-04-13 11:51:16,479 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2018-04-13 11:51:16,479 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:16,500 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:16,611 INFO L267 ElimStorePlain]: Start of recursive call 1: 14 dim-0 vars, 1 dim-1 vars, 4 dim-2 vars, End of recursive call: 17 dim-0 vars, and 4 xjuncts. [2018-04-13 11:51:16,611 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 19 variables, input treesize:1175, output treesize:717 [2018-04-13 11:51:16,787 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:16,788 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:16,788 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:16,789 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 180 treesize of output 172 [2018-04-13 11:51:16,789 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:16,902 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:16,903 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:16,904 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:16,904 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 202 [2018-04-13 11:51:16,904 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:17,028 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:17,029 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:17,029 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:17,030 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 166 [2018-04-13 11:51:17,030 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:17,139 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:17,140 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:17,140 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:17,141 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 196 treesize of output 183 [2018-04-13 11:51:17,141 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:17,231 INFO L267 ElimStorePlain]: Start of recursive call 1: 17 dim-0 vars, 4 dim-1 vars, End of recursive call: 17 dim-0 vars, and 4 xjuncts. [2018-04-13 11:51:17,231 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 21 variables, input treesize:745, output treesize:598 [2018-04-13 11:51:17,909 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:17,910 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:17,910 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:17,912 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:17,913 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:17,914 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 198 treesize of output 145 [2018-04-13 11:51:17,926 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 55 [2018-04-13 11:51:17,927 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:17,943 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 26 [2018-04-13 11:51:17,944 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:17,958 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2018-04-13 11:51:17,958 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:17,971 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 27 [2018-04-13 11:51:17,972 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:17,983 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:18,067 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:18,068 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:18,070 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:18,071 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:18,072 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:18,075 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:18,084 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 3 case distinctions, treesize of input 245 treesize of output 188 [2018-04-13 11:51:18,090 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 155 [2018-04-13 11:51:18,090 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:18,296 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 141 [2018-04-13 11:51:18,297 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:18,467 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 154 [2018-04-13 11:51:18,467 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:18,644 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 135 [2018-04-13 11:51:18,644 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:18,813 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 114 [2018-04-13 11:51:18,814 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:18,980 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 154 treesize of output 140 [2018-04-13 11:51:18,981 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:19,141 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 108 [2018-04-13 11:51:19,141 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:19,295 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 112 [2018-04-13 11:51:19,295 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:19,451 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 148 [2018-04-13 11:51:19,451 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:19,604 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 115 [2018-04-13 11:51:19,605 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:19,758 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 109 [2018-04-13 11:51:19,759 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:19,903 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 117 [2018-04-13 11:51:19,904 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:20,046 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 97 [2018-04-13 11:51:20,047 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:20,191 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 91 [2018-04-13 11:51:20,191 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:20,333 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 134 [2018-04-13 11:51:20,334 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:20,472 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 126 [2018-04-13 11:51:20,472 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:20,607 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 106 [2018-04-13 11:51:20,607 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:20,732 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 102 [2018-04-13 11:51:20,733 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:20,865 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 100 [2018-04-13 11:51:20,865 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:20,990 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 79 [2018-04-13 11:51:20,990 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:21,108 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 73 [2018-04-13 11:51:21,109 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:21,223 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 77 [2018-04-13 11:51:21,223 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:21,334 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 73 [2018-04-13 11:51:21,335 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:21,438 INFO L267 ElimStorePlain]: Start of recursive call 7: 23 dim-1 vars, End of recursive call: 6 dim-0 vars, and 6 xjuncts. [2018-04-13 11:51:21,634 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:21,635 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:21,636 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:21,638 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:21,638 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:21,639 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:21,639 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 171 treesize of output 145 [2018-04-13 11:51:21,651 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 14 treesize of output 37 [2018-04-13 11:51:21,652 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:21,674 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 34 [2018-04-13 11:51:21,674 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:21,692 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 48 [2018-04-13 11:51:21,692 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:21,709 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2018-04-13 11:51:21,709 INFO L267 ElimStorePlain]: Start of recursive call 35: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:21,726 INFO L267 ElimStorePlain]: Start of recursive call 31: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:21,919 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:21,920 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:21,920 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:21,923 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:21,923 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:21,924 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:21,924 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 152 [2018-04-13 11:51:21,936 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 51 [2018-04-13 11:51:21,937 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:21,959 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2018-04-13 11:51:21,960 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:21,976 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 27 [2018-04-13 11:51:21,977 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:21,991 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:51:21,991 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:22,005 INFO L267 ElimStorePlain]: Start of recursive call 36: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:22,175 INFO L267 ElimStorePlain]: Start of recursive call 1: 27 dim-0 vars, 4 dim-2 vars, End of recursive call: 62 dim-0 vars, and 9 xjuncts. [2018-04-13 11:51:22,176 INFO L202 ElimStorePlain]: Needed 40 recursive calls to eliminate 31 variables, input treesize:780, output treesize:723 [2018-04-13 11:51:22,548 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 78 [2018-04-13 11:51:22,549 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2018-04-13 11:51:22,549 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:22,565 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:22,567 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:22,572 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 40 [2018-04-13 11:51:22,572 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 3 xjuncts. [2018-04-13 11:51:22,595 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-04-13 11:51:22,595 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:22,614 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-13 11:51:22,670 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 45 [2018-04-13 11:51:22,672 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-04-13 11:51:22,672 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:22,681 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:22,682 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:22,687 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 40 [2018-04-13 11:51:22,688 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 3 xjuncts. [2018-04-13 11:51:22,704 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-13 11:51:22,775 INFO L267 ElimStorePlain]: Start of recursive call 1: 12 dim-0 vars, 2 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-04-13 11:51:22,775 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 14 variables, input treesize:136, output treesize:28 [2018-04-13 11:51:23,065 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:51:23,065 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:51:23,065 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-04-13 11:51:23,066 INFO L442 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-04-13 11:51:23,066 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-04-13 11:51:23,066 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=1287, Unknown=0, NotChecked=0, Total=1406 [2018-04-13 11:51:23,066 INFO L87 Difference]: Start difference. First operand 410 states and 456 transitions. Second operand 38 states. [2018-04-13 11:51:25,528 WARN L151 SmtUtils]: Spent 261ms on a formula simplification. DAG size of input: 169 DAG size of output 165 [2018-04-13 11:51:26,340 WARN L151 SmtUtils]: Spent 383ms on a formula simplification. DAG size of input: 201 DAG size of output 195 [2018-04-13 11:51:26,619 WARN L148 SmtUtils]: Spent 100ms on a formula simplification that was a NOOP. DAG size: 169 [2018-04-13 11:51:26,864 WARN L148 SmtUtils]: Spent 105ms on a formula simplification that was a NOOP. DAG size: 171 [2018-04-13 11:51:27,122 WARN L148 SmtUtils]: Spent 119ms on a formula simplification that was a NOOP. DAG size: 190 [2018-04-13 11:51:27,690 WARN L151 SmtUtils]: Spent 401ms on a formula simplification. DAG size of input: 265 DAG size of output 260 [2018-04-13 11:51:28,199 WARN L148 SmtUtils]: Spent 113ms on a formula simplification that was a NOOP. DAG size: 207 [2018-04-13 11:51:28,540 WARN L148 SmtUtils]: Spent 114ms on a formula simplification that was a NOOP. DAG size: 210 [2018-04-13 11:51:29,226 WARN L151 SmtUtils]: Spent 476ms on a formula simplification. DAG size of input: 284 DAG size of output 275 [2018-04-13 11:51:30,571 WARN L151 SmtUtils]: Spent 537ms on a formula simplification. DAG size of input: 299 DAG size of output 277 [2018-04-13 11:51:31,144 WARN L151 SmtUtils]: Spent 354ms on a formula simplification. DAG size of input: 220 DAG size of output 218 [2018-04-13 11:51:31,784 WARN L151 SmtUtils]: Spent 412ms on a formula simplification. DAG size of input: 254 DAG size of output 222 [2018-04-13 11:51:32,380 WARN L151 SmtUtils]: Spent 405ms on a formula simplification. DAG size of input: 295 DAG size of output 223 [2018-04-13 11:51:33,143 WARN L151 SmtUtils]: Spent 535ms on a formula simplification. DAG size of input: 324 DAG size of output 272 [2018-04-13 11:51:33,590 WARN L151 SmtUtils]: Spent 262ms on a formula simplification. DAG size of input: 287 DAG size of output 259 [2018-04-13 11:51:34,105 WARN L151 SmtUtils]: Spent 273ms on a formula simplification. DAG size of input: 293 DAG size of output 265 [2018-04-13 11:51:34,566 WARN L151 SmtUtils]: Spent 281ms on a formula simplification. DAG size of input: 291 DAG size of output 263 [2018-04-13 11:51:34,998 WARN L151 SmtUtils]: Spent 150ms on a formula simplification. DAG size of input: 205 DAG size of output 205 [2018-04-13 11:51:35,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:51:35,540 INFO L93 Difference]: Finished difference Result 485 states and 538 transitions. [2018-04-13 11:51:35,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-04-13 11:51:35,541 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 87 [2018-04-13 11:51:35,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:51:35,542 INFO L225 Difference]: With dead ends: 485 [2018-04-13 11:51:35,542 INFO L226 Difference]: Without dead ends: 479 [2018-04-13 11:51:35,542 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1417 ImplicationChecksByTransitivity, 12.3s TimeCoverageRelationStatistics Valid=476, Invalid=5224, Unknown=0, NotChecked=0, Total=5700 [2018-04-13 11:51:35,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2018-04-13 11:51:35,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 375. [2018-04-13 11:51:35,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2018-04-13 11:51:35,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 417 transitions. [2018-04-13 11:51:35,545 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 417 transitions. Word has length 87 [2018-04-13 11:51:35,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:51:35,545 INFO L459 AbstractCegarLoop]: Abstraction has 375 states and 417 transitions. [2018-04-13 11:51:35,545 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-04-13 11:51:35,545 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 417 transitions. [2018-04-13 11:51:35,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-04-13 11:51:35,545 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:51:35,545 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:51:35,545 INFO L408 AbstractCegarLoop]: === Iteration 94 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:51:35,545 INFO L82 PathProgramCache]: Analyzing trace with hash -600918218, now seen corresponding path program 1 times [2018-04-13 11:51:35,546 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:51:35,546 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:51:35,546 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:51:35,546 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-13 11:51:35,546 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:51:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:51:35,558 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:51:35,561 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:51:35,561 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:51:35,561 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:51:35,561 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:51:35,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:51:35,629 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:51:35,642 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:35,643 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:35,643 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 24 [2018-04-13 11:51:35,643 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:35,650 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:51:35,650 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:35,658 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:35,658 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:35, output treesize:32 [2018-04-13 11:51:35,672 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:51:35,674 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:51:35,674 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:35,675 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:35,687 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:51:35,688 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:51:35,688 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:35,689 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:35,699 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:35,699 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:51, output treesize:48 [2018-04-13 11:51:35,734 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 73 [2018-04-13 11:51:35,736 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:51:35,736 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:35,744 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:35,760 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-13 11:51:35,761 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:51:35,762 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:35,766 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:35,777 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:35,777 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:90, output treesize:74 [2018-04-13 11:51:35,798 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2018-04-13 11:51:35,799 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:51:35,799 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:35,808 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-04-13 11:51:35,808 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:35,809 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:35,816 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:35,816 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:82, output treesize:58 [2018-04-13 11:51:35,851 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:35,852 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 62 [2018-04-13 11:51:35,854 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2018-04-13 11:51:35,854 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:35,860 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:35,867 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:35,868 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:74, output treesize:53 [2018-04-13 11:51:35,889 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:35,889 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:35,890 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:35,890 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 46 [2018-04-13 11:51:35,890 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:35,906 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-13 11:51:35,907 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:35,921 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:35,921 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:73, output treesize:82 [2018-04-13 11:51:35,951 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 12 [2018-04-13 11:51:35,952 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-13 11:51:35,952 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:35,954 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:35,973 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:35,973 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:35,974 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:35,974 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 89 [2018-04-13 11:51:35,992 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 67 [2018-04-13 11:51:35,993 INFO L267 ElimStorePlain]: Start of recursive call 5: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 6 xjuncts. [2018-04-13 11:51:36,018 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:51:36,044 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:51:36,044 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:106, output treesize:174 [2018-04-13 11:51:36,122 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2018-04-13 11:51:36,124 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:51:36,124 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:36,128 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:36,144 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:36,145 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:36,148 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 113 [2018-04-13 11:51:36,150 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:51:36,150 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:36,162 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:36,176 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:36,176 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:124, output treesize:108 [2018-04-13 11:51:36,272 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 54 [2018-04-13 11:51:36,274 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 36 [2018-04-13 11:51:36,274 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:36,280 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:36,299 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:36,301 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:36,306 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 153 [2018-04-13 11:51:36,309 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:36,313 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 35 [2018-04-13 11:51:36,314 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-13 11:51:36,339 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:51:36,379 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:51:36,379 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:168, output treesize:281 [2018-04-13 11:51:36,446 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:36,447 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:36,447 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:36,448 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:36,448 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:36,449 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 111 [2018-04-13 11:51:36,449 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:36,471 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 64 [2018-04-13 11:51:36,471 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:36,488 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:36,489 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:142, output treesize:163 [2018-04-13 11:51:36,532 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:36,533 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:36,534 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:36,537 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:36,537 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:36,540 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 163 [2018-04-13 11:51:36,542 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2018-04-13 11:51:36,542 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:36,561 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:36,587 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 60 [2018-04-13 11:51:36,589 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 15 [2018-04-13 11:51:36,589 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:36,593 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:36,612 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:36,612 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:190, output treesize:149 [2018-04-13 11:51:36,691 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2018-04-13 11:51:36,693 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:51:36,693 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:36,696 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:36,717 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:36,718 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:36,718 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:36,723 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:36,725 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 170 treesize of output 189 [2018-04-13 11:51:36,727 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:51:36,727 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:36,746 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:36,765 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:36,765 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:191, output treesize:175 [2018-04-13 11:51:36,907 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 59 [2018-04-13 11:51:36,914 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 47 [2018-04-13 11:51:36,980 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 11:51:36,992 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:51:37,030 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:37,032 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:37,038 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 282 treesize of output 198 [2018-04-13 11:51:37,041 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:37,046 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 67 [2018-04-13 11:51:37,047 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-13 11:51:37,089 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:51:37,091 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:37,094 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:37,096 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:37,099 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 266 treesize of output 196 [2018-04-13 11:51:37,102 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 37 [2018-04-13 11:51:37,102 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:37,126 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:37,188 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2018-04-13 11:51:37,188 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:323, output treesize:503 [2018-04-13 11:51:37,288 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:37,288 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 239 treesize of output 215 [2018-04-13 11:51:37,289 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:37,337 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:37,338 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 285 treesize of output 249 [2018-04-13 11:51:37,338 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:37,377 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 2 dim-1 vars, End of recursive call: 7 dim-0 vars, and 2 xjuncts. [2018-04-13 11:51:37,377 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 9 variables, input treesize:525, output treesize:437 [2018-04-13 11:51:37,513 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 248 treesize of output 233 [2018-04-13 11:51:37,513 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:37,548 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 187 [2018-04-13 11:51:37,549 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:37,580 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 2 dim-1 vars, End of recursive call: 7 dim-0 vars, and 2 xjuncts. [2018-04-13 11:51:37,580 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 9 variables, input treesize:451, output treesize:357 [2018-04-13 11:51:38,048 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:38,051 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:38,052 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 265 treesize of output 166 [2018-04-13 11:51:38,054 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 33 [2018-04-13 11:51:38,054 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:38,074 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:51:38,075 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 64 [2018-04-13 11:51:38,075 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:38,092 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 56 [2018-04-13 11:51:38,092 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:38,108 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 36 [2018-04-13 11:51:38,108 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:38,124 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:38,161 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 73 [2018-04-13 11:51:38,163 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 17 [2018-04-13 11:51:38,163 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:38,175 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 11 [2018-04-13 11:51:38,175 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:38,186 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-04-13 11:51:38,186 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:38,194 INFO L267 ElimStorePlain]: Start of recursive call 7: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:38,222 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:38,224 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 219 treesize of output 183 [2018-04-13 11:51:38,225 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2018-04-13 11:51:38,225 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:38,245 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:51:38,246 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2018-04-13 11:51:38,246 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:38,260 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:51:38,260 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:38,271 INFO L267 ElimStorePlain]: Start of recursive call 11: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:38,290 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:38,293 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:38,294 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 139 treesize of output 81 [2018-04-13 11:51:38,298 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 31 [2018-04-13 11:51:38,299 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:38,305 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 18 [2018-04-13 11:51:38,305 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:38,311 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-13 11:51:38,311 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:38,316 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2018-04-13 11:51:38,316 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:38,319 INFO L267 ElimStorePlain]: Start of recursive call 15: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:38,331 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:38,331 INFO L202 ElimStorePlain]: Needed 19 recursive calls to eliminate 11 variables, input treesize:485, output treesize:11 [2018-04-13 11:51:38,387 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-04-13 11:51:38,390 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 10 [2018-04-13 11:51:38,390 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 11:51:38,392 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:51:38,395 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:51:38,395 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:20, output treesize:18 [2018-04-13 11:51:38,523 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 1 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:51:38,523 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:51:38,523 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-04-13 11:51:38,523 INFO L442 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-04-13 11:51:38,523 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-04-13 11:51:38,523 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=1269, Unknown=0, NotChecked=0, Total=1406 [2018-04-13 11:51:38,523 INFO L87 Difference]: Start difference. First operand 375 states and 417 transitions. Second operand 38 states. [2018-04-13 11:51:40,830 WARN L151 SmtUtils]: Spent 153ms on a formula simplification. DAG size of input: 181 DAG size of output 170 [2018-04-13 11:51:41,117 WARN L151 SmtUtils]: Spent 174ms on a formula simplification. DAG size of input: 190 DAG size of output 180 [2018-04-13 11:51:41,460 WARN L151 SmtUtils]: Spent 239ms on a formula simplification. DAG size of input: 200 DAG size of output 188 [2018-04-13 11:51:41,889 WARN L151 SmtUtils]: Spent 318ms on a formula simplification. DAG size of input: 284 DAG size of output 195 [2018-04-13 11:51:42,346 WARN L151 SmtUtils]: Spent 322ms on a formula simplification. DAG size of input: 287 DAG size of output 190 [2018-04-13 11:51:42,648 WARN L151 SmtUtils]: Spent 170ms on a formula simplification. DAG size of input: 259 DAG size of output 182 [2018-04-13 11:51:42,982 WARN L151 SmtUtils]: Spent 178ms on a formula simplification. DAG size of input: 265 DAG size of output 188 [2018-04-13 11:51:43,298 WARN L151 SmtUtils]: Spent 103ms on a formula simplification. DAG size of input: 102 DAG size of output 102 [2018-04-13 11:51:43,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:51:43,783 INFO L93 Difference]: Finished difference Result 423 states and 467 transitions. [2018-04-13 11:51:43,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-04-13 11:51:43,783 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 87 [2018-04-13 11:51:43,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:51:43,784 INFO L225 Difference]: With dead ends: 423 [2018-04-13 11:51:43,784 INFO L226 Difference]: Without dead ends: 421 [2018-04-13 11:51:43,784 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1547 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=583, Invalid=5265, Unknown=4, NotChecked=0, Total=5852 [2018-04-13 11:51:43,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2018-04-13 11:51:43,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 382. [2018-04-13 11:51:43,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2018-04-13 11:51:43,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 424 transitions. [2018-04-13 11:51:43,788 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 424 transitions. Word has length 87 [2018-04-13 11:51:43,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:51:43,788 INFO L459 AbstractCegarLoop]: Abstraction has 382 states and 424 transitions. [2018-04-13 11:51:43,788 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-04-13 11:51:43,788 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 424 transitions. [2018-04-13 11:51:43,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-04-13 11:51:43,789 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:51:43,789 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:51:43,789 INFO L408 AbstractCegarLoop]: === Iteration 95 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:51:43,789 INFO L82 PathProgramCache]: Analyzing trace with hash -1163832131, now seen corresponding path program 1 times [2018-04-13 11:51:43,789 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:51:43,789 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:51:43,790 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:51:43,790 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:51:43,790 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:51:43,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:51:43,798 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:51:43,800 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:51:43,800 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:51:43,800 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:51:43,801 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:51:43,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:51:43,847 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:51:43,862 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:43,863 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:43,863 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-13 11:51:43,863 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:43,871 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:43,871 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2018-04-13 11:51:43,888 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:51:43,889 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:51:43,889 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:43,890 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:43,899 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:51:43,900 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:51:43,900 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:43,901 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:43,908 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:43,908 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:46, output treesize:39 [2018-04-13 11:51:43,938 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 64 [2018-04-13 11:51:43,939 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:51:43,939 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:43,945 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:43,959 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 37 [2018-04-13 11:51:43,961 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:51:43,961 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:43,965 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:43,975 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:43,975 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:88, output treesize:72 [2018-04-13 11:51:44,034 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:44,035 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 66 [2018-04-13 11:51:44,037 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:44,038 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 35 [2018-04-13 11:51:44,038 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:44,046 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:44,065 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 87 [2018-04-13 11:51:44,067 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:44,067 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 41 [2018-04-13 11:51:44,067 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:44,076 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:44,089 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:44,089 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:107, output treesize:124 [2018-04-13 11:51:44,113 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:44,114 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:44,114 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:44,114 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-04-13 11:51:44,114 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:44,129 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:44,129 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:132, output treesize:125 [2018-04-13 11:51:44,150 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:44,151 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:44,152 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:44,152 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 126 [2018-04-13 11:51:44,155 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:44,168 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 102 treesize of output 132 [2018-04-13 11:51:44,169 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-13 11:51:44,201 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:44,220 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:44,221 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:51:44,223 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 96 [2018-04-13 11:51:44,225 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:44,225 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 80 [2018-04-13 11:51:44,225 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:44,234 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:44,247 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:44,247 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:149, output treesize:114 [2018-04-13 11:51:44,292 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:44,293 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:44,297 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 156 [2018-04-13 11:51:44,299 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:51:44,299 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:44,314 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:44,331 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:44,336 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 128 [2018-04-13 11:51:44,337 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:51:44,337 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:44,346 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:44,361 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:44,361 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:156, output treesize:140 [2018-04-13 11:51:44,445 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:44,451 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 388 treesize of output 396 [2018-04-13 11:51:44,454 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:51:44,454 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 92 [2018-04-13 11:51:44,454 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:44,471 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:44,491 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:44,494 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:44,495 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:44,496 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:44,496 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 337 treesize of output 304 [2018-04-13 11:51:44,499 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:44,505 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 130 treesize of output 187 [2018-04-13 11:51:44,505 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-13 11:51:44,541 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:51:44,583 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-13 11:51:44,584 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:413, output treesize:511 [2018-04-13 11:51:44,879 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:44,879 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:51:44,879 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:44,886 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 230 treesize of output 156 [2018-04-13 11:51:44,888 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:51:44,888 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:44,889 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 43 [2018-04-13 11:51:44,889 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:44,909 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 46 [2018-04-13 11:51:44,909 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:44,917 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:51:44,917 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-13 11:51:44,917 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:44,922 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:44,933 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:44,933 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:278, output treesize:86 [2018-04-13 11:51:45,011 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:45,011 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:51:45,012 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:45,012 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:51:45,012 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:45,013 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:45,014 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:45,014 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:45,015 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 90 [2018-04-13 11:51:45,019 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:51:45,037 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 53 treesize of output 82 [2018-04-13 11:51:45,041 INFO L267 ElimStorePlain]: Start of recursive call 3: 10 dim-0 vars, End of recursive call: 10 dim-0 vars, and 7 xjuncts. [2018-04-13 11:51:45,050 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:51:45,050 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2018-04-13 11:51:45,050 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:45,054 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-13 11:51:45,054 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:45,056 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:45,062 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:45,063 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:93, output treesize:15 [2018-04-13 11:51:45,142 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:51:45,142 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:51:45,142 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-13 11:51:45,143 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-13 11:51:45,143 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-13 11:51:45,143 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=722, Unknown=0, NotChecked=0, Total=812 [2018-04-13 11:51:45,143 INFO L87 Difference]: Start difference. First operand 382 states and 424 transitions. Second operand 29 states. [2018-04-13 11:51:47,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:51:47,699 INFO L93 Difference]: Finished difference Result 402 states and 438 transitions. [2018-04-13 11:51:47,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-13 11:51:47,699 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 88 [2018-04-13 11:51:47,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:51:47,700 INFO L225 Difference]: With dead ends: 402 [2018-04-13 11:51:47,700 INFO L226 Difference]: Without dead ends: 402 [2018-04-13 11:51:47,700 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 826 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=449, Invalid=3091, Unknown=0, NotChecked=0, Total=3540 [2018-04-13 11:51:47,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2018-04-13 11:51:47,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 382. [2018-04-13 11:51:47,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2018-04-13 11:51:47,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 423 transitions. [2018-04-13 11:51:47,702 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 423 transitions. Word has length 88 [2018-04-13 11:51:47,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:51:47,702 INFO L459 AbstractCegarLoop]: Abstraction has 382 states and 423 transitions. [2018-04-13 11:51:47,702 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-13 11:51:47,702 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 423 transitions. [2018-04-13 11:51:47,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-04-13 11:51:47,703 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:51:47,703 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:51:47,703 INFO L408 AbstractCegarLoop]: === Iteration 96 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr42AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-04-13 11:51:47,703 INFO L82 PathProgramCache]: Analyzing trace with hash -1163832130, now seen corresponding path program 1 times [2018-04-13 11:51:47,703 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:51:47,703 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:51:47,703 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:51:47,704 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:51:47,704 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:51:47,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:51:47,712 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:51:47,714 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 11:51:47,714 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 11:51:47,714 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 11:51:47,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:51:47,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:51:47,767 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 11:51:47,779 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-04-13 11:51:47,780 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-13 11:51:47,780 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:47,781 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:47,785 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:47,785 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2018-04-13 11:51:47,807 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:47,808 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:47,808 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 12 [2018-04-13 11:51:47,808 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:47,814 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:47,814 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:26 [2018-04-13 11:51:47,827 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:51:47,829 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:51:47,829 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:47,830 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:47,840 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-13 11:51:47,841 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-13 11:51:47,842 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:47,843 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:47,850 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:47,851 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:53, output treesize:39 [2018-04-13 11:51:47,879 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-13 11:51:47,880 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:51:47,880 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:47,883 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:47,896 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 47 [2018-04-13 11:51:47,897 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:51:47,898 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:47,902 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:47,911 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:47,911 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:81, output treesize:65 [2018-04-13 11:51:47,977 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 45 [2018-04-13 11:51:47,980 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 25 [2018-04-13 11:51:47,980 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:47,987 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:48,006 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:48,007 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 68 [2018-04-13 11:51:48,010 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2018-04-13 11:51:48,010 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:48,017 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:48,031 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:48,031 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:103, output treesize:91 [2018-04-13 11:51:48,069 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 32 [2018-04-13 11:51:48,070 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:51:48,070 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:48,074 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:48,090 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:48,090 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:104, output treesize:108 [2018-04-13 11:51:48,125 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 11:51:48,125 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:48,150 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:48,150 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:48,151 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:48,151 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 46 [2018-04-13 11:51:48,151 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:48,175 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:48,175 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:128, output treesize:137 [2018-04-13 11:51:48,222 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2018-04-13 11:51:48,222 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:48,254 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:48,255 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:51:48,257 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 67 [2018-04-13 11:51:48,261 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2018-04-13 11:51:48,261 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:48,268 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:48,292 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:48,293 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:48,294 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:48,294 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:48,295 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 129 [2018-04-13 11:51:48,315 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 81 treesize of output 89 [2018-04-13 11:51:48,316 INFO L267 ElimStorePlain]: Start of recursive call 6: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 6 xjuncts. [2018-04-13 11:51:48,358 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:51:48,392 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-13 11:51:48,392 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:161, output treesize:195 [2018-04-13 11:51:48,483 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:48,483 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:48,488 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 107 [2018-04-13 11:51:48,490 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:51:48,490 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:48,505 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:48,522 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:48,527 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 68 [2018-04-13 11:51:48,529 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-13 11:51:48,529 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:48,536 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:48,551 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:48,552 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:128, output treesize:112 [2018-04-13 11:51:48,651 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:48,655 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:48,659 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 116 [2018-04-13 11:51:48,662 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:48,667 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 35 [2018-04-13 11:51:48,667 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 11:51:48,691 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:51:48,735 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:48,737 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:51:48,742 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 159 [2018-04-13 11:51:48,744 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 24 [2018-04-13 11:51:48,744 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:48,761 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:48,763 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:48,771 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 139 treesize of output 164 [2018-04-13 11:51:48,774 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:48,774 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:51:48,774 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 56 [2018-04-13 11:51:48,774 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:48,800 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:48,843 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-13 11:51:48,843 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:169, output treesize:295 [2018-04-13 11:51:48,907 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2018-04-13 11:51:48,907 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:48,932 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:48,933 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:48,934 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:48,938 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 65 [2018-04-13 11:51:48,940 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2018-04-13 11:51:48,940 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:48,947 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:48,963 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:48,963 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:151, output treesize:134 [2018-04-13 11:51:49,006 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:49,007 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:49,011 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 121 [2018-04-13 11:51:49,013 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 27 [2018-04-13 11:51:49,013 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:49,019 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:49,034 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:49,034 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:195, output treesize:152 [2018-04-13 11:51:49,361 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:49,361 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:49,362 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:51:49,363 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:49,364 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:49,364 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:49,365 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:49,366 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 179 treesize of output 148 [2018-04-13 11:51:49,369 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:51:49,383 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 73 treesize of output 81 [2018-04-13 11:51:49,386 INFO L267 ElimStorePlain]: Start of recursive call 3: 17 dim-0 vars, End of recursive call: 17 dim-0 vars, and 7 xjuncts. [2018-04-13 11:51:49,493 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:51:49,494 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 65 [2018-04-13 11:51:49,494 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:49,496 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:51:49,501 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 89 treesize of output 87 [2018-04-13 11:51:49,501 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-13 11:51:49,504 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:51:49,508 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 79 treesize of output 77 [2018-04-13 11:51:49,508 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-04-13 11:51:49,510 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:51:49,510 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 71 [2018-04-13 11:51:49,510 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:49,513 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:51:49,517 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 85 treesize of output 83 [2018-04-13 11:51:49,518 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-04-13 11:51:49,519 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:51:49,520 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:49,522 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 83 [2018-04-13 11:51:49,522 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:49,524 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:51:49,529 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 89 treesize of output 87 [2018-04-13 11:51:49,529 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2018-04-13 11:51:49,709 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 92 treesize of output 88 [2018-04-13 11:51:49,709 INFO L267 ElimStorePlain]: Start of recursive call 11: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-13 11:51:49,711 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 76 [2018-04-13 11:51:49,711 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:49,712 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 76 [2018-04-13 11:51:49,713 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:49,718 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 92 [2018-04-13 11:51:49,719 INFO L267 ElimStorePlain]: Start of recursive call 14: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-13 11:51:49,724 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 92 treesize of output 88 [2018-04-13 11:51:49,725 INFO L267 ElimStorePlain]: Start of recursive call 15: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-13 11:51:49,727 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 11:51:49,728 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 88 [2018-04-13 11:51:49,728 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 11:51:49,733 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 92 [2018-04-13 11:51:49,734 INFO L267 ElimStorePlain]: Start of recursive call 17: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-13 11:51:49,994 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 22 dim-0 vars, and 11 xjuncts. [2018-04-13 11:51:50,262 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 79 [2018-04-13 11:51:50,264 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:51:50,264 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-13 11:51:50,264 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:50,279 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-13 11:51:50,280 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:50,291 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-13 11:51:50,291 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:50,300 INFO L267 ElimStorePlain]: Start of recursive call 18: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:50,303 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 71 [2018-04-13 11:51:50,304 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:51:50,305 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-13 11:51:50,305 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:50,318 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-13 11:51:50,318 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:50,330 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-13 11:51:50,331 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:50,340 INFO L267 ElimStorePlain]: Start of recursive call 22: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:50,347 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 79 [2018-04-13 11:51:50,349 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:51:50,349 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-13 11:51:50,349 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:50,366 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-13 11:51:50,366 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:50,378 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-13 11:51:50,378 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:50,388 INFO L267 ElimStorePlain]: Start of recursive call 26: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:50,392 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 71 [2018-04-13 11:51:50,394 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:51:50,394 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-13 11:51:50,394 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:50,409 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-13 11:51:50,409 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:50,421 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-13 11:51:50,421 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:50,430 INFO L267 ElimStorePlain]: Start of recursive call 30: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:50,433 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 79 [2018-04-13 11:51:50,435 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:51:50,435 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-13 11:51:50,435 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:50,451 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-13 11:51:50,451 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:50,463 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-13 11:51:50,463 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:50,473 INFO L267 ElimStorePlain]: Start of recursive call 34: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:50,477 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 79 [2018-04-13 11:51:50,478 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:51:50,479 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-13 11:51:50,479 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:50,495 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-13 11:51:50,495 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:50,507 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-13 11:51:50,507 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:50,515 INFO L267 ElimStorePlain]: Start of recursive call 38: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:50,523 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 71 [2018-04-13 11:51:50,524 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-13 11:51:50,524 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:50,537 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-13 11:51:50,538 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:50,548 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:51:50,549 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-13 11:51:50,549 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:50,558 INFO L267 ElimStorePlain]: Start of recursive call 42: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:50,561 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 71 [2018-04-13 11:51:50,563 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:51:50,564 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-13 11:51:50,564 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:50,578 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-13 11:51:50,578 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:50,590 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-13 11:51:50,590 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:50,599 INFO L267 ElimStorePlain]: Start of recursive call 46: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:50,602 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 75 [2018-04-13 11:51:50,604 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-13 11:51:50,604 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:50,618 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-13 11:51:50,618 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:50,630 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:51:50,630 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-13 11:51:50,631 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:50,642 INFO L267 ElimStorePlain]: Start of recursive call 50: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:50,646 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 71 [2018-04-13 11:51:50,647 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-13 11:51:50,647 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:50,661 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-13 11:51:50,661 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:50,672 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:51:50,673 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-13 11:51:50,673 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:50,683 INFO L267 ElimStorePlain]: Start of recursive call 54: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:50,686 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 75 [2018-04-13 11:51:50,688 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 11:51:50,688 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-13 11:51:50,688 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:50,704 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-13 11:51:50,704 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:50,715 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-13 11:51:50,715 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:50,724 INFO L267 ElimStorePlain]: Start of recursive call 58: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 11:51:50,884 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 44 dim-0 vars, and 11 xjuncts. [2018-04-13 11:51:50,884 INFO L202 ElimStorePlain]: Needed 61 recursive calls to eliminate 7 variables, input treesize:201, output treesize:551 [2018-04-13 11:51:51,036 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 36 [2018-04-13 11:51:51,037 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2018-04-13 11:51:51,037 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 11:51:51,046 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 10 [2018-04-13 11:51:51,046 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-13 11:51:51,049 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:51:51,057 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-13 11:51:51,057 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:59, output treesize:18 [2018-04-13 11:51:51,162 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:51:51,162 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 11:51:51,162 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-04-13 11:51:51,162 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-13 11:51:51,162 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-13 11:51:51,162 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=998, Unknown=1, NotChecked=0, Total=1122 [2018-04-13 11:51:51,163 INFO L87 Difference]: Start difference. First operand 382 states and 423 transitions. Second operand 34 states. Received shutdown request... [2018-04-13 11:51:53,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-13 11:51:53,337 WARN L519 AbstractCegarLoop]: Verification canceled [2018-04-13 11:51:53,341 WARN L197 ceAbstractionStarter]: Timeout [2018-04-13 11:51:53,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.04 11:51:53 BoogieIcfgContainer [2018-04-13 11:51:53,341 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-13 11:51:53,342 INFO L168 Benchmark]: Toolchain (without parser) took 824007.83 ms. Allocated memory was 401.6 MB in the beginning and 569.9 MB in the end (delta: 168.3 MB). Free memory was 337.5 MB in the beginning and 403.1 MB in the end (delta: -65.6 MB). Peak memory consumption was 221.5 MB. Max. memory is 5.3 GB. [2018-04-13 11:51:53,343 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 401.6 MB. Free memory is still 364.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-13 11:51:53,343 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.59 ms. Allocated memory is still 401.6 MB. Free memory was 337.5 MB in the beginning and 310.8 MB in the end (delta: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 5.3 GB. [2018-04-13 11:51:53,343 INFO L168 Benchmark]: Boogie Preprocessor took 40.81 ms. Allocated memory is still 401.6 MB. Free memory was 310.8 MB in the beginning and 306.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 5.3 GB. [2018-04-13 11:51:53,343 INFO L168 Benchmark]: RCFGBuilder took 456.33 ms. Allocated memory was 401.6 MB in the beginning and 609.2 MB in the end (delta: 207.6 MB). Free memory was 306.8 MB in the beginning and 533.4 MB in the end (delta: -226.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 5.3 GB. [2018-04-13 11:51:53,344 INFO L168 Benchmark]: TraceAbstraction took 823260.45 ms. Allocated memory was 609.2 MB in the beginning and 569.9 MB in the end (delta: -39.3 MB). Free memory was 533.4 MB in the beginning and 403.1 MB in the end (delta: 130.3 MB). Peak memory consumption was 209.8 MB. Max. memory is 5.3 GB. [2018-04-13 11:51:53,345 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 401.6 MB. Free memory is still 364.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 247.59 ms. Allocated memory is still 401.6 MB. Free memory was 337.5 MB in the beginning and 310.8 MB in the end (delta: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 40.81 ms. Allocated memory is still 401.6 MB. Free memory was 310.8 MB in the beginning and 306.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 456.33 ms. Allocated memory was 401.6 MB in the beginning and 609.2 MB in the end (delta: 207.6 MB). Free memory was 306.8 MB in the beginning and 533.4 MB in the end (delta: -226.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 5.3 GB. * TraceAbstraction took 823260.45 ms. Allocated memory was 609.2 MB in the beginning and 569.9 MB in the end (delta: -39.3 MB). Free memory was 533.4 MB in the beginning and 403.1 MB in the end (delta: 130.3 MB). Peak memory consumption was 209.8 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 989]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 989). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - TimeoutResultAtElement [Line: 1000]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1000). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - TimeoutResultAtElement [Line: 1028]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1028). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - TimeoutResultAtElement [Line: 1024]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1024). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - TimeoutResultAtElement [Line: 1024]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1024). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - TimeoutResultAtElement [Line: 1024]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1024). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - TimeoutResultAtElement [Line: 1017]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1017). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - TimeoutResultAtElement [Line: 1022]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1022). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - TimeoutResultAtElement [Line: 1030]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1030). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - TimeoutResultAtElement [Line: 987]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 987). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - TimeoutResultAtElement [Line: 1019]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1019). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - TimeoutResultAtElement [Line: 1033]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1033). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - TimeoutResultAtElement [Line: 1024]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1024). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - TimeoutResultAtElement [Line: 1024]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1024). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - TimeoutResultAtElement [Line: 988]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 988). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - TimeoutResultAtElement [Line: 1030]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1030). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - TimeoutResultAtElement [Line: 1001]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1001). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - TimeoutResultAtElement [Line: 1013]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1013). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - TimeoutResultAtElement [Line: 1024]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1024). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - TimeoutResultAtElement [Line: 988]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 988). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - TimeoutResultAtElement [Line: 1000]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1000). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - TimeoutResultAtElement [Line: 998]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 998). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - TimeoutResultAtElement [Line: 1025]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1025). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - TimeoutResultAtElement [Line: 1017]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1017). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - TimeoutResultAtElement [Line: 1022]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1022). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - TimeoutResultAtElement [Line: 1024]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1024). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - TimeoutResultAtElement [Line: 1024]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1024). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - TimeoutResultAtElement [Line: 987]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 987). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - TimeoutResultAtElement [Line: 1013]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1013). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - TimeoutResultAtElement [Line: 999]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 999). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - TimeoutResultAtElement [Line: 983]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 983). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - TimeoutResultAtElement [Line: 1034]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1034). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - TimeoutResultAtElement [Line: 1036]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1036). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - TimeoutResultAtElement [Line: 1024]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1024). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - TimeoutResultAtElement [Line: 998]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 998). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - TimeoutResultAtElement [Line: 1019]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1019). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - TimeoutResultAtElement [Line: 999]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 999). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - TimeoutResultAtElement [Line: 1024]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1024). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - TimeoutResultAtElement [Line: 999]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 999). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - TimeoutResultAtElement [Line: 999]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 999). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - TimeoutResultAtElement [Line: 1025]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1025). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - TimeoutResultAtElement [Line: 1034]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1034). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - TimeoutResultAtElement [Line: 989]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 989). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - TimeoutResultAtElement [Line: 1036]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1036). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - TimeoutResultAtElement [Line: 1001]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1001). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - TimeoutResultAtElement [Line: 1028]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1028). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - TimeoutResultAtElement [Line: 1033]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1033). Cancelled while BasicCegarLoop was constructing difference of abstraction (382states) and interpolant automaton (currently 31 states, 34 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 97. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 117 locations, 47 error locations. TIMEOUT Result, 823.2s OverallTime, 96 OverallIterations, 4 TraceHistogramMax, 525.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7335 SDtfs, 34738 SDslu, 58942 SDs, 0 SdLazy, 68553 SolverSat, 3732 SolverUnsat, 551 SolverUnknown, 0 SolverNotchecked, 70.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6643 GetRequests, 3229 SyntacticMatches, 20 SemanticMatches, 3393 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41387 ImplicationChecksByTransitivity, 582.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=462occurred in iteration=70, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 95 MinimizatonAttempts, 3915 StatesRemovedByMinimization, 93 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 293.4s InterpolantComputationTime, 10187 NumberOfCodeBlocks, 10153 NumberOfCodeBlocksAsserted, 196 NumberOfCheckSat, 5482 ConstructedInterpolants, 2620 QuantifiedInterpolants, 30685885 SizeOfPredicates, 1523 NumberOfNonLiveVariables, 18473 ConjunctsInSsa, 4337 ConjunctsInUnsatCore, 99 InterpolantComputations, 27 PerfectInterpolantSequences, 355/1823 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dll-circular_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-13_11-51-53-353.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dll-circular_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-13_11-51-53-353.csv Completed graceful shutdown