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_Camel.epf -i ../../../trunk/examples/svcomp/forester-heap/sll-token_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-408c70d-m [2018-04-12 19:26:49,492 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-12 19:26:49,493 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-12 19:26:49,503 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-12 19:26:49,504 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-12 19:26:49,505 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-12 19:26:49,506 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-12 19:26:49,507 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-12 19:26:49,509 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-12 19:26:49,510 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-12 19:26:49,510 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-12 19:26:49,511 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-12 19:26:49,511 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-12 19:26:49,512 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-12 19:26:49,513 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-12 19:26:49,515 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-12 19:26:49,516 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-12 19:26:49,518 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-12 19:26:49,519 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-12 19:26:49,520 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-12 19:26:49,521 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-12 19:26:49,526 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf [2018-04-12 19:26:49,536 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-12 19:26:49,537 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-12 19:26:49,538 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-12 19:26:49,538 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-12 19:26:49,538 INFO L133 SettingsManager]: * Use SBE=true [2018-04-12 19:26:49,538 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-12 19:26:49,538 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-12 19:26:49,538 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-12 19:26:49,539 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-12 19:26:49,539 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-12 19:26:49,539 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-12 19:26:49,539 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-12 19:26:49,539 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-12 19:26:49,539 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-12 19:26:49,539 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-12 19:26:49,540 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-12 19:26:49,540 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-12 19:26:49,540 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-12 19:26:49,540 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-12 19:26:49,540 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 19:26:49,540 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-12 19:26:49,541 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-12 19:26:49,541 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-12 19:26:49,541 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-12 19:26:49,571 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-12 19:26:49,581 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-12 19:26:49,584 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-12 19:26:49,585 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-12 19:26:49,586 INFO L276 PluginConnector]: CDTParser initialized [2018-04-12 19:26:49,586 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:49,885 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG599b76cbe [2018-04-12 19:26:50,039 INFO L287 CDTParser]: IsIndexed: true [2018-04-12 19:26:50,039 INFO L288 CDTParser]: Found 1 translation units. [2018-04-12 19:26:50,039 INFO L168 CDTParser]: Scanning sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,047 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-12 19:26:50,047 INFO L215 ultiparseSymbolTable]: [2018-04-12 19:26:50,047 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-12 19:26:50,047 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,047 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-12 19:26:50,048 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__wchar_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,048 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__pthread_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,048 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__nlink_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,048 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__loff_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,048 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____fd_mask in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,048 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__uint in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,048 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__id_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,048 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__u_int8_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,048 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____u_int in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,049 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__pthread_once_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,049 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__pthread_spinlock_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,049 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__pthread_condattr_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,049 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____clock_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,049 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__dev_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,049 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____loff_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,049 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__fsid_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,049 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__suseconds_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,049 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____int8_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,049 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__clockid_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,049 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____sigset_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,050 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__timer_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,050 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____uid_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,050 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____sig_atomic_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,050 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__u_short in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,050 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____nlink_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,050 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__SLL in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,050 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__gid_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,050 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____uint64_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,050 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__ssize_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,050 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____off_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,051 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__u_long in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,051 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____fsword_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,051 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__fd_mask in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,051 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____blkcnt64_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,051 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____socklen_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,051 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__int32_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,051 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____fsid_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,051 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____mode_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,051 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__idtype_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,052 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____quad_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,052 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____ssize_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,052 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____timer_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,052 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____ino_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,052 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____intptr_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,052 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__size_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,052 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__off_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,052 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__u_char in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,052 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____gid_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,053 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____int16_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,053 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____u_long in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,053 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__pthread_cond_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,053 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____rlim_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,053 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____fsblkcnt64_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,053 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__u_int in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,053 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__u_int16_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,053 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__blkcnt_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,053 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__quad_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,053 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__pthread_mutexattr_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,054 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____pid_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,054 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____clockid_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,054 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____u_quad_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,054 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____off64_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,054 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____suseconds_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,054 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____u_char in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,054 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__pthread_attr_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,054 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__pthread_barrier_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,054 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__pthread_rwlock_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,054 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__lldiv_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,055 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__uid_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,055 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__fd_set in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,055 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____qaddr_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,055 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____rlim64_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,055 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____dev_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,055 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____fsblkcnt_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,055 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__pthread_key_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,055 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__int16_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,055 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__time_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,055 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__fsblkcnt_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,056 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____pthread_slist_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,056 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____blksize_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,056 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____syscall_ulong_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,056 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__blksize_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,056 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____int32_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,056 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____uint32_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,056 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__div_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,056 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____id_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,056 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__u_int32_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,056 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__sigset_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,056 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____u_short in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,056 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__mode_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,056 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__caddr_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__key_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____caddr_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__ulong in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__pthread_rwlockattr_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__fsfilcnt_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__pid_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__daddr_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__u_int64_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____fsfilcnt64_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____uint16_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__clock_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__int8_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____ino64_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____blkcnt_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__int64_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__register_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____daddr_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,057 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____fsfilcnt_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__pthread_barrierattr_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____syscall_slong_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____time_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____key_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__ushort in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____uint8_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__u_quad_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____int64_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__ldiv_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i____useconds_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__pthread_mutex_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,058 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_token_true_unreach_call_true_valid_memsafety_i__ino_t in sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,073 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG599b76cbe [2018-04-12 19:26:50,076 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-12 19:26:50,077 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-12 19:26:50,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-12 19:26:50,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-12 19:26:50,083 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-12 19:26:50,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 07:26:50" (1/1) ... [2018-04-12 19:26:50,086 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e5ee761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:26:50, skipping insertion in model container [2018-04-12 19:26:50,086 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 07:26:50" (1/1) ... [2018-04-12 19:26:50,102 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 19:26:50,126 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 19:26:50,271 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 19:26:50,309 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 19:26:50,315 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 115 non ball SCCs. Number of states in SCCs 115. [2018-04-12 19:26:50,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:26:50 WrapperNode [2018-04-12 19:26:50,352 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-12 19:26:50,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-12 19:26:50,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-12 19:26:50,352 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-12 19:26:50,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:26:50" (1/1) ... [2018-04-12 19:26:50,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:26:50" (1/1) ... [2018-04-12 19:26:50,375 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:26:50" (1/1) ... [2018-04-12 19:26:50,375 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:26:50" (1/1) ... [2018-04-12 19:26:50,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:26:50" (1/1) ... [2018-04-12 19:26:50,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:26:50" (1/1) ... [2018-04-12 19:26:50,391 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:26:50" (1/1) ... [2018-04-12 19:26:50,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-12 19:26:50,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-12 19:26:50,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-12 19:26:50,394 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-12 19:26:50,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:26:50" (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 [2018-04-12 19:26:50,489 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-12 19:26:50,489 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-12 19:26:50,489 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-12 19:26:50,489 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-12 19:26:50,489 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-12 19:26:50,489 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-12 19:26:50,489 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-12 19:26:50,489 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-12 19:26:50,489 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-12 19:26:50,490 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-12 19:26:50,490 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-12 19:26:50,490 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-12 19:26:50,490 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-12 19:26:50,490 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-12 19:26:50,490 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-12 19:26:50,490 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-12 19:26:50,490 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-12 19:26:50,490 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-12 19:26:50,490 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-12 19:26:50,491 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-12 19:26:50,491 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-12 19:26:50,491 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-12 19:26:50,491 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-12 19:26:50,491 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-12 19:26:50,491 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-12 19:26:50,491 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-12 19:26:50,491 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-12 19:26:50,491 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-12 19:26:50,492 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-12 19:26:50,492 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-12 19:26:50,492 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-12 19:26:50,492 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-12 19:26:50,492 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-12 19:26:50,492 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-12 19:26:50,492 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-12 19:26:50,492 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-12 19:26:50,492 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-12 19:26:50,492 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-12 19:26:50,493 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-12 19:26:50,493 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-12 19:26:50,493 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-12 19:26:50,493 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-12 19:26:50,493 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-12 19:26:50,493 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-12 19:26:50,493 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-12 19:26:50,493 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-12 19:26:50,493 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-12 19:26:50,493 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-12 19:26:50,494 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-12 19:26:50,494 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-12 19:26:50,494 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-12 19:26:50,494 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-12 19:26:50,494 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-12 19:26:50,494 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-12 19:26:50,494 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-12 19:26:50,494 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-12 19:26:50,494 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-12 19:26:50,494 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-12 19:26:50,495 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-12 19:26:50,495 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-12 19:26:50,495 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-12 19:26:50,495 INFO L128 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-04-12 19:26:50,495 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-12 19:26:50,495 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-12 19:26:50,495 INFO L128 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-04-12 19:26:50,495 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-12 19:26:50,495 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-12 19:26:50,495 INFO L128 BoogieDeclarations]: Found specification of procedure quick_exit [2018-04-12 19:26:50,495 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-12 19:26:50,496 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-12 19:26:50,496 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-12 19:26:50,496 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-12 19:26:50,496 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-12 19:26:50,496 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-12 19:26:50,496 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-12 19:26:50,496 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-12 19:26:50,496 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-12 19:26:50,496 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-12 19:26:50,496 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-12 19:26:50,497 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-12 19:26:50,497 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-12 19:26:50,497 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-12 19:26:50,497 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-12 19:26:50,497 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-12 19:26:50,497 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-12 19:26:50,497 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-12 19:26:50,497 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-12 19:26:50,497 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-12 19:26:50,497 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-12 19:26:50,497 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-12 19:26:50,498 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-12 19:26:50,498 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-12 19:26:50,498 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-12 19:26:50,498 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-12 19:26:50,498 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-12 19:26:50,498 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-12 19:26:50,498 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-12 19:26:50,498 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-12 19:26:50,498 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-12 19:26:50,498 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-12 19:26:50,498 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-12 19:26:50,499 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-12 19:26:50,499 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-12 19:26:50,499 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-12 19:26:50,499 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-12 19:26:50,499 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-12 19:26:50,499 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-12 19:26:50,499 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-12 19:26:50,499 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-12 19:26:50,499 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-12 19:26:50,499 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-12 19:26:50,499 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-12 19:26:50,500 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-12 19:26:50,500 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-12 19:26:50,500 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-12 19:26:50,500 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-12 19:26:50,500 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-12 19:26:50,500 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-12 19:26:50,854 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-12 19:26:50,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 07:26:50 BoogieIcfgContainer [2018-04-12 19:26:50,854 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-12 19:26:50,855 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-12 19:26:50,855 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-12 19:26:50,857 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-12 19:26:50,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.04 07:26:50" (1/3) ... [2018-04-12 19:26:50,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3776211e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 07:26:50, skipping insertion in model container [2018-04-12 19:26:50,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:26:50" (2/3) ... [2018-04-12 19:26:50,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3776211e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 07:26:50, skipping insertion in model container [2018-04-12 19:26:50,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 07:26:50" (3/3) ... [2018-04-12 19:26:50,859 INFO L107 eAbstractionObserver]: Analyzing ICFG sll-token_true-unreach-call_true-valid-memsafety.i [2018-04-12 19:26:50,868 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-12 19:26:50,873 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 45 error locations. [2018-04-12 19:26:50,903 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-12 19:26:50,904 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-12 19:26:50,904 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-12 19:26:50,904 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-12 19:26:50,904 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-12 19:26:50,904 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-12 19:26:50,904 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-12 19:26:50,905 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-12 19:26:50,905 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-12 19:26:50,905 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-12 19:26:50,914 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states. [2018-04-12 19:26:50,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-12 19:26:50,919 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:26:50,920 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:26:50,920 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:26:50,923 INFO L82 PathProgramCache]: Analyzing trace with hash -822716266, now seen corresponding path program 1 times [2018-04-12 19:26:50,924 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:26:50,924 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:26:50,956 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:26:50,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:26:50,956 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:26:50,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:26:50,989 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:26:51,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:26:51,028 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:26:51,028 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 19:26:51,029 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 19:26:51,037 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 19:26:51,037 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 19:26:51,039 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 4 states. [2018-04-12 19:26:51,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:26:51,176 INFO L93 Difference]: Finished difference Result 146 states and 149 transitions. [2018-04-12 19:26:51,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 19:26:51,177 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-04-12 19:26:51,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:26:51,185 INFO L225 Difference]: With dead ends: 146 [2018-04-12 19:26:51,185 INFO L226 Difference]: Without dead ends: 143 [2018-04-12 19:26:51,187 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 [2018-04-12 19:26:51,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-04-12 19:26:51,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 115. [2018-04-12 19:26:51,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-04-12 19:26:51,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 117 transitions. [2018-04-12 19:26:51,217 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 117 transitions. Word has length 8 [2018-04-12 19:26:51,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:26:51,217 INFO L459 AbstractCegarLoop]: Abstraction has 115 states and 117 transitions. [2018-04-12 19:26:51,217 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 19:26:51,217 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 117 transitions. [2018-04-12 19:26:51,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-12 19:26:51,217 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:26:51,217 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:26:51,217 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:26:51,218 INFO L82 PathProgramCache]: Analyzing trace with hash -822716265, now seen corresponding path program 1 times [2018-04-12 19:26:51,218 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:26:51,218 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:26:51,219 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:26:51,219 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:26:51,220 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:26:51,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:26:51,233 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:26:51,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:26:51,263 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:26:51,263 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 19:26:51,264 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 19:26:51,264 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 19:26:51,264 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 19:26:51,265 INFO L87 Difference]: Start difference. First operand 115 states and 117 transitions. Second operand 4 states. [2018-04-12 19:26:51,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:26:51,348 INFO L93 Difference]: Finished difference Result 141 states and 143 transitions. [2018-04-12 19:26:51,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 19:26:51,348 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-04-12 19:26:51,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:26:51,349 INFO L225 Difference]: With dead ends: 141 [2018-04-12 19:26:51,350 INFO L226 Difference]: Without dead ends: 141 [2018-04-12 19:26:51,350 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 [2018-04-12 19:26:51,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-04-12 19:26:51,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 113. [2018-04-12 19:26:51,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-04-12 19:26:51,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 115 transitions. [2018-04-12 19:26:51,357 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 115 transitions. Word has length 8 [2018-04-12 19:26:51,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:26:51,358 INFO L459 AbstractCegarLoop]: Abstraction has 113 states and 115 transitions. [2018-04-12 19:26:51,358 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 19:26:51,358 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 115 transitions. [2018-04-12 19:26:51,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-12 19:26:51,358 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:26:51,358 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:26:51,358 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:26:51,359 INFO L82 PathProgramCache]: Analyzing trace with hash 962217982, now seen corresponding path program 1 times [2018-04-12 19:26:51,359 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:26:51,359 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:26:51,360 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:26:51,360 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:26:51,360 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:26:51,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:26:51,372 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:26:51,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:26:51,408 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:26:51,408 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 19:26:51,408 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 19:26:51,409 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 19:26:51,409 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 19:26:51,409 INFO L87 Difference]: Start difference. First operand 113 states and 115 transitions. Second operand 4 states. [2018-04-12 19:26:51,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:26:51,504 INFO L93 Difference]: Finished difference Result 119 states and 122 transitions. [2018-04-12 19:26:51,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 19:26:51,505 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-04-12 19:26:51,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:26:51,506 INFO L225 Difference]: With dead ends: 119 [2018-04-12 19:26:51,506 INFO L226 Difference]: Without dead ends: 119 [2018-04-12 19:26:51,506 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 [2018-04-12 19:26:51,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-04-12 19:26:51,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 104. [2018-04-12 19:26:51,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-04-12 19:26:51,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 108 transitions. [2018-04-12 19:26:51,509 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 108 transitions. Word has length 14 [2018-04-12 19:26:51,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:26:51,510 INFO L459 AbstractCegarLoop]: Abstraction has 104 states and 108 transitions. [2018-04-12 19:26:51,510 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 19:26:51,510 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 108 transitions. [2018-04-12 19:26:51,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-12 19:26:51,510 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:26:51,510 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:26:51,510 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:26:51,510 INFO L82 PathProgramCache]: Analyzing trace with hash 962217983, now seen corresponding path program 1 times [2018-04-12 19:26:51,510 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:26:51,511 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:26:51,511 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:26:51,512 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:26:51,512 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:26:51,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:26:51,521 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:26:51,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:26:51,550 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:26:51,550 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 19:26:51,550 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 19:26:51,551 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 19:26:51,551 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 19:26:51,551 INFO L87 Difference]: Start difference. First operand 104 states and 108 transitions. Second operand 5 states. [2018-04-12 19:26:51,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:26:51,681 INFO L93 Difference]: Finished difference Result 182 states and 186 transitions. [2018-04-12 19:26:51,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 19:26:51,682 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-04-12 19:26:51,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:26:51,683 INFO L225 Difference]: With dead ends: 182 [2018-04-12 19:26:51,683 INFO L226 Difference]: Without dead ends: 182 [2018-04-12 19:26:51,683 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 [2018-04-12 19:26:51,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2018-04-12 19:26:51,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 139. [2018-04-12 19:26:51,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-04-12 19:26:51,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 146 transitions. [2018-04-12 19:26:51,688 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 146 transitions. Word has length 14 [2018-04-12 19:26:51,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:26:51,689 INFO L459 AbstractCegarLoop]: Abstraction has 139 states and 146 transitions. [2018-04-12 19:26:51,689 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 19:26:51,689 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 146 transitions. [2018-04-12 19:26:51,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-12 19:26:51,689 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:26:51,689 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:26:51,690 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:26:51,690 INFO L82 PathProgramCache]: Analyzing trace with hash -219755518, now seen corresponding path program 1 times [2018-04-12 19:26:51,690 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:26:51,690 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:26:51,691 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:26:51,691 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:26:51,691 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:26:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:26:51,703 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:26:51,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:26:51,726 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:26:51,726 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 19:26:51,726 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 19:26:51,726 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 19:26:51,727 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 19:26:51,727 INFO L87 Difference]: Start difference. First operand 139 states and 146 transitions. Second operand 5 states. [2018-04-12 19:26:51,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:26:51,829 INFO L93 Difference]: Finished difference Result 142 states and 147 transitions. [2018-04-12 19:26:51,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 19:26:51,830 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-04-12 19:26:51,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:26:51,830 INFO L225 Difference]: With dead ends: 142 [2018-04-12 19:26:51,830 INFO L226 Difference]: Without dead ends: 142 [2018-04-12 19:26:51,831 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 [2018-04-12 19:26:51,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-04-12 19:26:51,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 138. [2018-04-12 19:26:51,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-04-12 19:26:51,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 145 transitions. [2018-04-12 19:26:51,835 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 145 transitions. Word has length 18 [2018-04-12 19:26:51,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:26:51,835 INFO L459 AbstractCegarLoop]: Abstraction has 138 states and 145 transitions. [2018-04-12 19:26:51,835 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 19:26:51,835 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 145 transitions. [2018-04-12 19:26:51,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-12 19:26:51,835 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:26:51,835 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:26:51,835 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:26:51,835 INFO L82 PathProgramCache]: Analyzing trace with hash -219755517, now seen corresponding path program 1 times [2018-04-12 19:26:51,835 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:26:51,836 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:26:51,836 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:26:51,836 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:26:51,837 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:26:51,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:26:51,847 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:26:51,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:26:51,876 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:26:51,877 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 19:26:51,877 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 19:26:51,877 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 19:26:51,877 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 19:26:51,877 INFO L87 Difference]: Start difference. First operand 138 states and 145 transitions. Second operand 5 states. [2018-04-12 19:26:51,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:26:51,972 INFO L93 Difference]: Finished difference Result 137 states and 144 transitions. [2018-04-12 19:26:51,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 19:26:51,973 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-04-12 19:26:51,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:26:51,974 INFO L225 Difference]: With dead ends: 137 [2018-04-12 19:26:51,974 INFO L226 Difference]: Without dead ends: 137 [2018-04-12 19:26:51,974 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 [2018-04-12 19:26:51,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-04-12 19:26:51,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-04-12 19:26:51,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-04-12 19:26:51,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 144 transitions. [2018-04-12 19:26:51,979 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 144 transitions. Word has length 18 [2018-04-12 19:26:51,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:26:51,979 INFO L459 AbstractCegarLoop]: Abstraction has 137 states and 144 transitions. [2018-04-12 19:26:51,979 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 19:26:51,979 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 144 transitions. [2018-04-12 19:26:51,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-12 19:26:51,980 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:26:51,980 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:26:51,980 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:26:51,980 INFO L82 PathProgramCache]: Analyzing trace with hash -193094559, now seen corresponding path program 1 times [2018-04-12 19:26:51,980 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:26:51,980 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:26:51,981 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:26:51,981 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:26:51,982 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:26:51,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:26:51,989 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:26:52,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:26:52,029 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:26:52,029 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 19:26:52,029 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 19:26:52,029 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 19:26:52,030 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 19:26:52,030 INFO L87 Difference]: Start difference. First operand 137 states and 144 transitions. Second operand 6 states. [2018-04-12 19:26:52,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:26:52,201 INFO L93 Difference]: Finished difference Result 227 states and 239 transitions. [2018-04-12 19:26:52,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 19:26:52,201 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-04-12 19:26:52,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:26:52,202 INFO L225 Difference]: With dead ends: 227 [2018-04-12 19:26:52,202 INFO L226 Difference]: Without dead ends: 227 [2018-04-12 19:26:52,202 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-04-12 19:26:52,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-04-12 19:26:52,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 121. [2018-04-12 19:26:52,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-04-12 19:26:52,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 127 transitions. [2018-04-12 19:26:52,207 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 127 transitions. Word has length 18 [2018-04-12 19:26:52,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:26:52,207 INFO L459 AbstractCegarLoop]: Abstraction has 121 states and 127 transitions. [2018-04-12 19:26:52,207 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 19:26:52,207 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 127 transitions. [2018-04-12 19:26:52,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-12 19:26:52,208 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:26:52,208 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:26:52,208 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:26:52,208 INFO L82 PathProgramCache]: Analyzing trace with hash -193094560, now seen corresponding path program 1 times [2018-04-12 19:26:52,208 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:26:52,208 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:26:52,209 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:26:52,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:26:52,210 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:26:52,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:26:52,217 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:26:52,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:26:52,237 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:26:52,237 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 19:26:52,237 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 19:26:52,238 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 19:26:52,238 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 19:26:52,238 INFO L87 Difference]: Start difference. First operand 121 states and 127 transitions. Second operand 6 states. [2018-04-12 19:26:52,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:26:52,406 INFO L93 Difference]: Finished difference Result 193 states and 203 transitions. [2018-04-12 19:26:52,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-12 19:26:52,407 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-04-12 19:26:52,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:26:52,408 INFO L225 Difference]: With dead ends: 193 [2018-04-12 19:26:52,408 INFO L226 Difference]: Without dead ends: 193 [2018-04-12 19:26:52,408 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-04-12 19:26:52,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2018-04-12 19:26:52,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 120. [2018-04-12 19:26:52,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-04-12 19:26:52,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 126 transitions. [2018-04-12 19:26:52,412 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 126 transitions. Word has length 18 [2018-04-12 19:26:52,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:26:52,412 INFO L459 AbstractCegarLoop]: Abstraction has 120 states and 126 transitions. [2018-04-12 19:26:52,413 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 19:26:52,413 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 126 transitions. [2018-04-12 19:26:52,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-12 19:26:52,413 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:26:52,414 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] [2018-04-12 19:26:52,414 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:26:52,414 INFO L82 PathProgramCache]: Analyzing trace with hash -1334638783, now seen corresponding path program 1 times [2018-04-12 19:26:52,414 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:26:52,414 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:26:52,415 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:26:52,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:26:52,415 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:26:52,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:26:52,430 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:26:52,477 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:26:52,477 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:26:52,477 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:26:52,492 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:26:52,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:26:52,535 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:26:52,570 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 [2018-04-12 19:26:52,571 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:26:52,575 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:26:52,575 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-12 19:26:52,580 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 [2018-04-12 19:26:52,582 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:26:52,582 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:26:52,591 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:26:52,596 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:26:52,596 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:9 [2018-04-12 19:26:52,603 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 [2018-04-12 19:26:52,605 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-12 19:26:52,605 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:26:52,606 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:26:52,607 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:26:52,607 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:17, output treesize:5 [2018-04-12 19:26:52,609 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:26:52,627 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:26:52,627 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-04-12 19:26:52,627 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 19:26:52,627 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 19:26:52,627 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-04-12 19:26:52,627 INFO L87 Difference]: Start difference. First operand 120 states and 126 transitions. Second operand 8 states. [2018-04-12 19:26:52,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:26:52,873 INFO L93 Difference]: Finished difference Result 210 states and 217 transitions. [2018-04-12 19:26:52,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-12 19:26:52,874 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2018-04-12 19:26:52,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:26:52,875 INFO L225 Difference]: With dead ends: 210 [2018-04-12 19:26:52,875 INFO L226 Difference]: Without dead ends: 210 [2018-04-12 19:26:52,875 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2018-04-12 19:26:52,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2018-04-12 19:26:52,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 143. [2018-04-12 19:26:52,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-04-12 19:26:52,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 152 transitions. [2018-04-12 19:26:52,881 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 152 transitions. Word has length 33 [2018-04-12 19:26:52,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:26:52,882 INFO L459 AbstractCegarLoop]: Abstraction has 143 states and 152 transitions. [2018-04-12 19:26:52,882 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 19:26:52,882 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 152 transitions. [2018-04-12 19:26:52,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-12 19:26:52,882 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:26:52,882 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] [2018-04-12 19:26:52,882 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:26:52,883 INFO L82 PathProgramCache]: Analyzing trace with hash -1334638782, now seen corresponding path program 1 times [2018-04-12 19:26:52,883 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:26:52,883 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:26:52,884 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:26:52,884 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:26:52,884 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:26:52,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:26:52,894 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:26:52,974 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:26:52,974 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:26:52,974 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:26:52,983 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:26:53,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:26:53,013 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:26:53,019 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:26:53,019 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:26:53,024 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:26:53,024 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:15 [2018-04-12 19:26:53,032 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 11 treesize of output 8 [2018-04-12 19:26:53,034 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:26:53,034 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:26:53,036 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:26:53,041 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 [2018-04-12 19:26:53,044 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:26:53,044 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:26:53,045 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:26:53,049 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:26:53,050 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:28, output treesize:17 [2018-04-12 19:26:53,067 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 [2018-04-12 19:26:53,068 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:26:53,068 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:26:53,070 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:26:53,074 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 [2018-04-12 19:26:53,076 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-12 19:26:53,077 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:26:53,079 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:26:53,081 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:26:53,082 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:31, output treesize:9 [2018-04-12 19:26:53,099 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:26:53,128 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:26:53,129 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-04-12 19:26:53,129 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 19:26:53,129 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 19:26:53,129 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-04-12 19:26:53,130 INFO L87 Difference]: Start difference. First operand 143 states and 152 transitions. Second operand 8 states. [2018-04-12 19:26:53,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:26:53,396 INFO L93 Difference]: Finished difference Result 256 states and 263 transitions. [2018-04-12 19:26:53,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 19:26:53,397 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2018-04-12 19:26:53,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:26:53,398 INFO L225 Difference]: With dead ends: 256 [2018-04-12 19:26:53,398 INFO L226 Difference]: Without dead ends: 256 [2018-04-12 19:26:53,398 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 27 SyntacticMatches, 6 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2018-04-12 19:26:53,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2018-04-12 19:26:53,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 141. [2018-04-12 19:26:53,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-04-12 19:26:53,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 149 transitions. [2018-04-12 19:26:53,402 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 149 transitions. Word has length 33 [2018-04-12 19:26:53,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:26:53,402 INFO L459 AbstractCegarLoop]: Abstraction has 141 states and 149 transitions. [2018-04-12 19:26:53,402 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 19:26:53,402 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 149 transitions. [2018-04-12 19:26:53,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-12 19:26:53,402 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:26:53,403 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] [2018-04-12 19:26:53,403 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:26:53,403 INFO L82 PathProgramCache]: Analyzing trace with hash 1083059070, now seen corresponding path program 1 times [2018-04-12 19:26:53,403 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:26:53,403 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:26:53,404 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:26:53,404 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:26:53,404 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:26:53,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:26:53,413 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:26:53,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:26:53,452 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:26:53,452 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-12 19:26:53,452 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 19:26:53,452 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 19:26:53,452 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-04-12 19:26:53,453 INFO L87 Difference]: Start difference. First operand 141 states and 149 transitions. Second operand 8 states. [2018-04-12 19:26:53,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:26:53,765 INFO L93 Difference]: Finished difference Result 223 states and 231 transitions. [2018-04-12 19:26:53,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-12 19:26:53,766 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2018-04-12 19:26:53,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:26:53,766 INFO L225 Difference]: With dead ends: 223 [2018-04-12 19:26:53,766 INFO L226 Difference]: Without dead ends: 223 [2018-04-12 19:26:53,767 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2018-04-12 19:26:53,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2018-04-12 19:26:53,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 149. [2018-04-12 19:26:53,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-04-12 19:26:53,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 158 transitions. [2018-04-12 19:26:53,770 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 158 transitions. Word has length 33 [2018-04-12 19:26:53,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:26:53,771 INFO L459 AbstractCegarLoop]: Abstraction has 149 states and 158 transitions. [2018-04-12 19:26:53,771 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 19:26:53,771 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 158 transitions. [2018-04-12 19:26:53,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-12 19:26:53,772 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:26:53,772 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] [2018-04-12 19:26:53,772 INFO L408 AbstractCegarLoop]: === Iteration 12 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:26:53,772 INFO L82 PathProgramCache]: Analyzing trace with hash 1083059071, now seen corresponding path program 1 times [2018-04-12 19:26:53,772 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:26:53,772 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:26:53,773 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:26:53,774 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:26:53,774 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:26:53,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:26:53,784 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:26:53,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:26:53,864 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:26:53,864 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-12 19:26:53,864 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 19:26:53,864 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 19:26:53,864 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-04-12 19:26:53,865 INFO L87 Difference]: Start difference. First operand 149 states and 158 transitions. Second operand 8 states. [2018-04-12 19:26:54,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:26:54,117 INFO L93 Difference]: Finished difference Result 259 states and 266 transitions. [2018-04-12 19:26:54,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 19:26:54,118 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2018-04-12 19:26:54,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:26:54,119 INFO L225 Difference]: With dead ends: 259 [2018-04-12 19:26:54,119 INFO L226 Difference]: Without dead ends: 259 [2018-04-12 19:26:54,119 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2018-04-12 19:26:54,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2018-04-12 19:26:54,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 149. [2018-04-12 19:26:54,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-04-12 19:26:54,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 157 transitions. [2018-04-12 19:26:54,122 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 157 transitions. Word has length 33 [2018-04-12 19:26:54,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:26:54,123 INFO L459 AbstractCegarLoop]: Abstraction has 149 states and 157 transitions. [2018-04-12 19:26:54,123 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 19:26:54,123 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 157 transitions. [2018-04-12 19:26:54,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-04-12 19:26:54,123 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:26:54,124 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-12 19:26:54,124 INFO L408 AbstractCegarLoop]: === Iteration 13 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:26:54,124 INFO L82 PathProgramCache]: Analyzing trace with hash 861014220, now seen corresponding path program 2 times [2018-04-12 19:26:54,124 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:26:54,124 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:26:54,125 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:26:54,125 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:26:54,125 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:26:54,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:26:54,140 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:26:54,344 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-04-12 19:26:54,344 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:26:54,344 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-04-12 19:26:54,345 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-12 19:26:54,345 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-12 19:26:54,345 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2018-04-12 19:26:54,345 INFO L87 Difference]: Start difference. First operand 149 states and 157 transitions. Second operand 14 states. [2018-04-12 19:26:54,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:26:54,619 INFO L93 Difference]: Finished difference Result 212 states and 216 transitions. [2018-04-12 19:26:54,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-12 19:26:54,620 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 42 [2018-04-12 19:26:54,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:26:54,620 INFO L225 Difference]: With dead ends: 212 [2018-04-12 19:26:54,620 INFO L226 Difference]: Without dead ends: 212 [2018-04-12 19:26:54,621 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=181, Invalid=419, Unknown=0, NotChecked=0, Total=600 [2018-04-12 19:26:54,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2018-04-12 19:26:54,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 143. [2018-04-12 19:26:54,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-04-12 19:26:54,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 150 transitions. [2018-04-12 19:26:54,623 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 150 transitions. Word has length 42 [2018-04-12 19:26:54,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:26:54,623 INFO L459 AbstractCegarLoop]: Abstraction has 143 states and 150 transitions. [2018-04-12 19:26:54,623 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-12 19:26:54,623 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 150 transitions. [2018-04-12 19:26:54,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-04-12 19:26:54,623 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:26:54,623 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] [2018-04-12 19:26:54,623 INFO L408 AbstractCegarLoop]: === Iteration 14 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:26:54,624 INFO L82 PathProgramCache]: Analyzing trace with hash 693191888, now seen corresponding path program 1 times [2018-04-12 19:26:54,624 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:26:54,624 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:26:54,627 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:26:54,627 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 19:26:54,627 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:26:54,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:26:54,639 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:26:54,777 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:26:54,777 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:26:54,777 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:26:54,783 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:26:54,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:26:54,799 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:26:54,807 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:26:54,808 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:26:54,808 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-12 19:26:54,809 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:26:54,811 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:26:54,811 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2018-04-12 19:26:54,816 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-12 19:26:54,817 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 [2018-04-12 19:26:54,817 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:26:54,818 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:26:54,821 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:26:54,822 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:15 [2018-04-12 19:26:54,838 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 37 treesize of output 33 [2018-04-12 19:26:54,840 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 12 treesize of output 11 [2018-04-12 19:26:54,840 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:26:54,843 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:26:54,845 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:26:54,846 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:37, output treesize:18 [2018-04-12 19:26:54,865 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 19 [2018-04-12 19:26:54,867 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-12 19:26:54,867 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:26:54,869 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:26:54,871 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:26:54,872 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:5 [2018-04-12 19:26:54,874 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:26:54,892 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:26:54,893 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 16 [2018-04-12 19:26:54,893 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-12 19:26:54,893 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-12 19:26:54,893 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2018-04-12 19:26:54,893 INFO L87 Difference]: Start difference. First operand 143 states and 150 transitions. Second operand 17 states. [2018-04-12 19:26:55,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:26:55,428 INFO L93 Difference]: Finished difference Result 272 states and 282 transitions. [2018-04-12 19:26:55,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-04-12 19:26:55,428 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 44 [2018-04-12 19:26:55,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:26:55,429 INFO L225 Difference]: With dead ends: 272 [2018-04-12 19:26:55,429 INFO L226 Difference]: Without dead ends: 272 [2018-04-12 19:26:55,429 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 40 SyntacticMatches, 5 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=192, Invalid=800, Unknown=0, NotChecked=0, Total=992 [2018-04-12 19:26:55,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2018-04-12 19:26:55,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 174. [2018-04-12 19:26:55,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2018-04-12 19:26:55,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 184 transitions. [2018-04-12 19:26:55,432 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 184 transitions. Word has length 44 [2018-04-12 19:26:55,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:26:55,432 INFO L459 AbstractCegarLoop]: Abstraction has 174 states and 184 transitions. [2018-04-12 19:26:55,432 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-12 19:26:55,432 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 184 transitions. [2018-04-12 19:26:55,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-04-12 19:26:55,432 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:26:55,432 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] [2018-04-12 19:26:55,432 INFO L408 AbstractCegarLoop]: === Iteration 15 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:26:55,433 INFO L82 PathProgramCache]: Analyzing trace with hash 693191889, now seen corresponding path program 1 times [2018-04-12 19:26:55,433 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:26:55,433 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:26:55,433 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:26:55,433 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:26:55,434 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:26:55,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:26:55,440 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:26:55,625 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:26:55,626 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:26:55,626 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:26:55,636 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:26:55,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:26:55,658 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:26:55,670 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:26:55,671 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:26:55,671 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-12 19:26:55,672 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:26:55,688 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:26:55,688 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:26:55,712 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:26:55,713 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:29 [2018-04-12 19:26:55,735 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 [2018-04-12 19:26:55,736 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:26:55,737 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:26:55,738 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:26:55,749 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 [2018-04-12 19:26:55,750 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:26:55,750 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:26:55,752 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:26:55,760 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:26:55,760 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:48, output treesize:45 [2018-04-12 19:26:55,841 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:26:55,842 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 [2018-04-12 19:26:55,842 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:26:55,852 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:26:55,853 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:26:55,854 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:26:55,855 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 [2018-04-12 19:26:55,856 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:26:55,867 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:26:55,868 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:57, output treesize:49 [2018-04-12 19:26:55,893 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2018-04-12 19:26:55,898 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 11 [2018-04-12 19:26:55,898 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:26:55,904 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:26:55,917 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 28 [2018-04-12 19:26:55,919 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 12 treesize of output 11 [2018-04-12 19:26:55,919 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:26:55,923 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:26:55,932 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. [2018-04-12 19:26:55,932 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:80, output treesize:66 [2018-04-12 19:26:56,022 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 66 treesize of output 40 [2018-04-12 19:26:56,025 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 22 treesize of output 16 [2018-04-12 19:26:56,026 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:26:56,036 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 [2018-04-12 19:26:56,036 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:26:56,042 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:26:56,056 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 15 treesize of output 11 [2018-04-12 19:26:56,059 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 11 treesize of output 3 [2018-04-12 19:26:56,059 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 19:26:56,061 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:26:56,068 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. [2018-04-12 19:26:56,069 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:80, output treesize:18 [2018-04-12 19:26:56,109 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:26:56,127 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:26:56,127 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 23 [2018-04-12 19:26:56,127 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-04-12 19:26:56,128 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-04-12 19:26:56,128 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=470, Unknown=0, NotChecked=0, Total=552 [2018-04-12 19:26:56,128 INFO L87 Difference]: Start difference. First operand 174 states and 184 transitions. Second operand 24 states. [2018-04-12 19:26:57,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:26:57,121 INFO L93 Difference]: Finished difference Result 295 states and 305 transitions. [2018-04-12 19:26:57,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-12 19:26:57,121 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 44 [2018-04-12 19:26:57,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:26:57,122 INFO L225 Difference]: With dead ends: 295 [2018-04-12 19:26:57,122 INFO L226 Difference]: Without dead ends: 295 [2018-04-12 19:26:57,122 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=270, Invalid=1290, Unknown=0, NotChecked=0, Total=1560 [2018-04-12 19:26:57,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2018-04-12 19:26:57,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 172. [2018-04-12 19:26:57,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2018-04-12 19:26:57,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 181 transitions. [2018-04-12 19:26:57,125 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 181 transitions. Word has length 44 [2018-04-12 19:26:57,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:26:57,125 INFO L459 AbstractCegarLoop]: Abstraction has 172 states and 181 transitions. [2018-04-12 19:26:57,125 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-04-12 19:26:57,125 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 181 transitions. [2018-04-12 19:26:57,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-04-12 19:26:57,125 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:26:57,125 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] [2018-04-12 19:26:57,125 INFO L408 AbstractCegarLoop]: === Iteration 16 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:26:57,125 INFO L82 PathProgramCache]: Analyzing trace with hash -1184077555, now seen corresponding path program 1 times [2018-04-12 19:26:57,126 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:26:57,126 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:26:57,126 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:26:57,126 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:26:57,126 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:26:57,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:26:57,133 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:26:57,222 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:26:57,223 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:26:57,223 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:26:57,230 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:26:57,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:26:57,251 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:26:57,260 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:26:57,261 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:26:57,262 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-04-12 19:26:57,262 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:26:57,266 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:26:57,266 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2018-04-12 19:26:57,274 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 [2018-04-12 19:26:57,279 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 [2018-04-12 19:26:57,279 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:26:57,280 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:26:57,285 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:26:57,285 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:15 [2018-04-12 19:26:57,315 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 37 treesize of output 33 [2018-04-12 19:26:57,320 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:26:57,320 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:26:57,325 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:26:57,329 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:26:57,329 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:37, output treesize:18 [2018-04-12 19:26:57,358 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 25 treesize of output 19 [2018-04-12 19:26:57,359 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 10 [2018-04-12 19:26:57,360 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:26:57,363 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:26:57,365 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:26:57,365 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:5 [2018-04-12 19:26:57,377 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:26:57,405 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:26:57,405 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 13 [2018-04-12 19:26:57,406 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-12 19:26:57,406 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-12 19:26:57,406 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2018-04-12 19:26:57,406 INFO L87 Difference]: Start difference. First operand 172 states and 181 transitions. Second operand 14 states. [2018-04-12 19:26:57,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:26:57,830 INFO L93 Difference]: Finished difference Result 285 states and 296 transitions. [2018-04-12 19:26:57,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-12 19:26:57,830 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 44 [2018-04-12 19:26:57,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:26:57,831 INFO L225 Difference]: With dead ends: 285 [2018-04-12 19:26:57,831 INFO L226 Difference]: Without dead ends: 285 [2018-04-12 19:26:57,831 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 37 SyntacticMatches, 7 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=126, Invalid=474, Unknown=0, NotChecked=0, Total=600 [2018-04-12 19:26:57,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2018-04-12 19:26:57,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 180. [2018-04-12 19:26:57,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2018-04-12 19:26:57,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 190 transitions. [2018-04-12 19:26:57,834 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 190 transitions. Word has length 44 [2018-04-12 19:26:57,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:26:57,835 INFO L459 AbstractCegarLoop]: Abstraction has 180 states and 190 transitions. [2018-04-12 19:26:57,835 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-12 19:26:57,835 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 190 transitions. [2018-04-12 19:26:57,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-04-12 19:26:57,835 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:26:57,836 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] [2018-04-12 19:26:57,836 INFO L408 AbstractCegarLoop]: === Iteration 17 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:26:57,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1184077554, now seen corresponding path program 1 times [2018-04-12 19:26:57,836 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:26:57,836 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:26:57,837 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:26:57,837 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:26:57,837 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:26:57,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:26:57,848 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:26:58,002 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:26:58,002 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:26:58,003 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:26:58,013 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:26:58,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:26:58,039 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:26:58,045 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:26:58,045 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:26:58,048 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 [2018-04-12 19:26:58,048 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:26:58,056 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:26:58,056 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-04-12 19:26:58,076 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 [2018-04-12 19:26:58,077 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:26:58,078 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:26:58,080 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:26:58,090 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 [2018-04-12 19:26:58,092 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:26:58,092 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:26:58,093 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:26:58,103 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:26:58,103 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:43, output treesize:36 [2018-04-12 19:26:58,191 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:26:58,192 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:26:58,192 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:26:58,193 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 [2018-04-12 19:26:58,193 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:26:58,201 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 14 treesize of output 21 [2018-04-12 19:26:58,202 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:26:58,209 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:26:58,209 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:55, output treesize:51 [2018-04-12 19:26:58,234 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 62 [2018-04-12 19:26:58,236 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 11 [2018-04-12 19:26:58,237 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:26:58,242 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:26:58,253 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 27 treesize of output 28 [2018-04-12 19:26:58,255 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 12 treesize of output 11 [2018-04-12 19:26:58,256 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:26:58,258 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:26:58,268 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. [2018-04-12 19:26:58,269 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:85, output treesize:71 [2018-04-12 19:26:58,324 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 68 treesize of output 42 [2018-04-12 19:26:58,326 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 22 treesize of output 16 [2018-04-12 19:26:58,326 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:26:58,334 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-12 19:26:58,334 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:26:58,338 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:26:58,347 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 15 treesize of output 11 [2018-04-12 19:26:58,348 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:26:58,348 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 19:26:58,349 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:26:58,356 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. [2018-04-12 19:26:58,356 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:85, output treesize:18 [2018-04-12 19:26:58,399 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:26:58,416 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:26:58,416 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 22 [2018-04-12 19:26:58,416 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-12 19:26:58,416 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-12 19:26:58,417 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=448, Unknown=0, NotChecked=0, Total=506 [2018-04-12 19:26:58,417 INFO L87 Difference]: Start difference. First operand 180 states and 190 transitions. Second operand 23 states. [2018-04-12 19:26:59,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:26:59,763 INFO L93 Difference]: Finished difference Result 298 states and 308 transitions. [2018-04-12 19:26:59,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-12 19:26:59,764 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 44 [2018-04-12 19:26:59,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:26:59,765 INFO L225 Difference]: With dead ends: 298 [2018-04-12 19:26:59,765 INFO L226 Difference]: Without dead ends: 298 [2018-04-12 19:26:59,765 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 35 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 248 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=242, Invalid=1318, Unknown=0, NotChecked=0, Total=1560 [2018-04-12 19:26:59,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2018-04-12 19:26:59,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 172. [2018-04-12 19:26:59,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2018-04-12 19:26:59,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 181 transitions. [2018-04-12 19:26:59,769 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 181 transitions. Word has length 44 [2018-04-12 19:26:59,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:26:59,769 INFO L459 AbstractCegarLoop]: Abstraction has 172 states and 181 transitions. [2018-04-12 19:26:59,769 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-12 19:26:59,769 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 181 transitions. [2018-04-12 19:26:59,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-04-12 19:26:59,770 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:26:59,770 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:26:59,770 INFO L408 AbstractCegarLoop]: === Iteration 18 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:26:59,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1995223890, now seen corresponding path program 1 times [2018-04-12 19:26:59,770 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:26:59,770 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:26:59,771 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:26:59,771 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:26:59,771 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:26:59,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:26:59,778 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:26:59,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:26:59,820 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:26:59,820 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-12 19:26:59,820 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-12 19:26:59,820 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-12 19:26:59,821 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-04-12 19:26:59,821 INFO L87 Difference]: Start difference. First operand 172 states and 181 transitions. Second operand 7 states. [2018-04-12 19:26:59,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:26:59,999 INFO L93 Difference]: Finished difference Result 257 states and 264 transitions. [2018-04-12 19:27:00,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-12 19:27:00,000 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2018-04-12 19:27:00,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:27:00,001 INFO L225 Difference]: With dead ends: 257 [2018-04-12 19:27:00,001 INFO L226 Difference]: Without dead ends: 257 [2018-04-12 19:27:00,001 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2018-04-12 19:27:00,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2018-04-12 19:27:00,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 192. [2018-04-12 19:27:00,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2018-04-12 19:27:00,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 202 transitions. [2018-04-12 19:27:00,005 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 202 transitions. Word has length 45 [2018-04-12 19:27:00,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:27:00,005 INFO L459 AbstractCegarLoop]: Abstraction has 192 states and 202 transitions. [2018-04-12 19:27:00,005 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-12 19:27:00,005 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 202 transitions. [2018-04-12 19:27:00,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-04-12 19:27:00,006 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:27:00,006 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:27:00,006 INFO L408 AbstractCegarLoop]: === Iteration 19 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:27:00,006 INFO L82 PathProgramCache]: Analyzing trace with hash 1722398699, now seen corresponding path program 1 times [2018-04-12 19:27:00,006 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:27:00,006 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:27:00,007 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:00,007 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:27:00,007 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:00,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:27:00,013 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:27:00,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:27:00,052 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:27:00,052 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-12 19:27:00,052 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-12 19:27:00,052 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-12 19:27:00,052 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-04-12 19:27:00,052 INFO L87 Difference]: Start difference. First operand 192 states and 202 transitions. Second operand 7 states. [2018-04-12 19:27:00,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:27:00,250 INFO L93 Difference]: Finished difference Result 222 states and 230 transitions. [2018-04-12 19:27:00,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 19:27:00,250 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2018-04-12 19:27:00,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:27:00,251 INFO L225 Difference]: With dead ends: 222 [2018-04-12 19:27:00,251 INFO L226 Difference]: Without dead ends: 222 [2018-04-12 19:27:00,251 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-04-12 19:27:00,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2018-04-12 19:27:00,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 193. [2018-04-12 19:27:00,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-04-12 19:27:00,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 203 transitions. [2018-04-12 19:27:00,255 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 203 transitions. Word has length 46 [2018-04-12 19:27:00,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:27:00,255 INFO L459 AbstractCegarLoop]: Abstraction has 193 states and 203 transitions. [2018-04-12 19:27:00,255 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-12 19:27:00,255 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 203 transitions. [2018-04-12 19:27:00,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-04-12 19:27:00,256 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:27:00,256 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:27:00,256 INFO L408 AbstractCegarLoop]: === Iteration 20 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:27:00,256 INFO L82 PathProgramCache]: Analyzing trace with hash 1013062195, now seen corresponding path program 1 times [2018-04-12 19:27:00,256 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:27:00,257 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:27:00,257 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:00,258 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:27:00,258 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:00,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:27:00,265 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:27:00,372 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:27:00,372 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:27:00,372 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:27:00,381 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:27:00,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:27:00,403 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:27:00,421 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:00,422 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:00,423 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 [2018-04-12 19:27:00,423 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:00,430 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:00,430 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:21 [2018-04-12 19:27:00,448 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 [2018-04-12 19:27:00,451 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 [2018-04-12 19:27:00,451 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:00,460 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:00,464 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:00,465 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:23 [2018-04-12 19:27:00,500 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 19 [2018-04-12 19:27:00,501 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-12 19:27:00,501 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:00,503 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:00,506 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:00,506 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:30, output treesize:15 [2018-04-12 19:27:00,531 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:00,531 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 [2018-04-12 19:27:00,531 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:00,535 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. [2018-04-12 19:27:00,535 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:21, output treesize:11 [2018-04-12 19:27:00,548 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:27:00,566 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:27:00,566 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 19 [2018-04-12 19:27:00,566 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-12 19:27:00,566 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-12 19:27:00,566 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2018-04-12 19:27:00,566 INFO L87 Difference]: Start difference. First operand 193 states and 203 transitions. Second operand 20 states. [2018-04-12 19:27:00,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:27:00,949 INFO L93 Difference]: Finished difference Result 241 states and 250 transitions. [2018-04-12 19:27:00,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-12 19:27:00,949 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 46 [2018-04-12 19:27:00,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:27:00,950 INFO L225 Difference]: With dead ends: 241 [2018-04-12 19:27:00,950 INFO L226 Difference]: Without dead ends: 241 [2018-04-12 19:27:00,951 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=156, Invalid=600, Unknown=0, NotChecked=0, Total=756 [2018-04-12 19:27:00,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2018-04-12 19:27:00,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 200. [2018-04-12 19:27:00,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2018-04-12 19:27:00,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 211 transitions. [2018-04-12 19:27:00,957 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 211 transitions. Word has length 46 [2018-04-12 19:27:00,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:27:00,958 INFO L459 AbstractCegarLoop]: Abstraction has 200 states and 211 transitions. [2018-04-12 19:27:00,958 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-12 19:27:00,958 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 211 transitions. [2018-04-12 19:27:00,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-04-12 19:27:00,958 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:27:00,958 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:27:00,958 INFO L408 AbstractCegarLoop]: === Iteration 21 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:27:00,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1013062196, now seen corresponding path program 1 times [2018-04-12 19:27:00,959 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:27:00,959 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:27:00,959 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:00,959 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:27:00,959 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:00,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:27:00,969 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:27:01,051 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:27:01,051 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:27:01,051 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:27:01,060 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:27:01,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:27:01,093 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:27:01,103 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:27:01,103 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:01,107 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:01,107 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:15 [2018-04-12 19:27:01,114 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 [2018-04-12 19:27:01,115 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:27:01,115 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:01,116 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:01,122 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 [2018-04-12 19:27:01,131 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:27:01,131 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:01,132 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:01,138 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:01,138 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:28, output treesize:17 [2018-04-12 19:27:01,156 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 [2018-04-12 19:27:01,160 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:27:01,160 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:01,192 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:01,206 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 [2018-04-12 19:27:01,207 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:27:01,208 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:01,209 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:01,222 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:01,222 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:31, output treesize:9 [2018-04-12 19:27:01,234 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:27:01,265 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:27:01,266 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-04-12 19:27:01,266 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 19:27:01,266 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 19:27:01,266 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-04-12 19:27:01,267 INFO L87 Difference]: Start difference. First operand 200 states and 211 transitions. Second operand 8 states. [2018-04-12 19:27:01,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:27:01,566 INFO L93 Difference]: Finished difference Result 253 states and 260 transitions. [2018-04-12 19:27:01,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-12 19:27:01,566 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 46 [2018-04-12 19:27:01,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:27:01,567 INFO L225 Difference]: With dead ends: 253 [2018-04-12 19:27:01,567 INFO L226 Difference]: Without dead ends: 253 [2018-04-12 19:27:01,567 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 40 SyntacticMatches, 6 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2018-04-12 19:27:01,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2018-04-12 19:27:01,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 202. [2018-04-12 19:27:01,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2018-04-12 19:27:01,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 213 transitions. [2018-04-12 19:27:01,570 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 213 transitions. Word has length 46 [2018-04-12 19:27:01,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:27:01,570 INFO L459 AbstractCegarLoop]: Abstraction has 202 states and 213 transitions. [2018-04-12 19:27:01,570 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 19:27:01,570 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 213 transitions. [2018-04-12 19:27:01,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-04-12 19:27:01,570 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:27:01,570 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:27:01,570 INFO L408 AbstractCegarLoop]: === Iteration 22 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:27:01,571 INFO L82 PathProgramCache]: Analyzing trace with hash 173874702, now seen corresponding path program 1 times [2018-04-12 19:27:01,571 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:27:01,571 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:27:01,571 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:01,571 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:27:01,571 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:01,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:27:01,578 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:27:01,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:27:01,656 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:27:01,656 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-12 19:27:01,657 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-12 19:27:01,657 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-12 19:27:01,657 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2018-04-12 19:27:01,657 INFO L87 Difference]: Start difference. First operand 202 states and 213 transitions. Second operand 10 states. [2018-04-12 19:27:01,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:27:01,871 INFO L93 Difference]: Finished difference Result 240 states and 251 transitions. [2018-04-12 19:27:01,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-12 19:27:01,872 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 50 [2018-04-12 19:27:01,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:27:01,874 INFO L225 Difference]: With dead ends: 240 [2018-04-12 19:27:01,874 INFO L226 Difference]: Without dead ends: 240 [2018-04-12 19:27:01,874 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2018-04-12 19:27:01,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2018-04-12 19:27:01,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 206. [2018-04-12 19:27:01,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2018-04-12 19:27:01,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 217 transitions. [2018-04-12 19:27:01,878 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 217 transitions. Word has length 50 [2018-04-12 19:27:01,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:27:01,878 INFO L459 AbstractCegarLoop]: Abstraction has 206 states and 217 transitions. [2018-04-12 19:27:01,878 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-12 19:27:01,878 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 217 transitions. [2018-04-12 19:27:01,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-04-12 19:27:01,879 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:27:01,879 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] [2018-04-12 19:27:01,879 INFO L408 AbstractCegarLoop]: === Iteration 23 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:27:01,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1394859148, now seen corresponding path program 1 times [2018-04-12 19:27:01,879 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:27:01,879 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:27:01,880 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:01,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:27:01,881 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:27:01,888 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:27:02,033 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:27:02,034 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:27:02,034 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:27:02,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:27:02,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:27:02,060 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:27:02,065 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 [2018-04-12 19:27:02,066 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:27:02,066 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:02,067 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:02,068 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:02,068 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-04-12 19:27:02,076 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 [2018-04-12 19:27:02,077 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:27:02,077 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:02,078 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:02,080 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:02,081 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2018-04-12 19:27:02,093 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:27:02,119 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:27:02,119 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2018-04-12 19:27:02,120 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-12 19:27:02,120 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-12 19:27:02,120 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-04-12 19:27:02,120 INFO L87 Difference]: Start difference. First operand 206 states and 217 transitions. Second operand 9 states. [2018-04-12 19:27:02,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:27:02,296 INFO L93 Difference]: Finished difference Result 253 states and 260 transitions. [2018-04-12 19:27:02,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-12 19:27:02,296 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 50 [2018-04-12 19:27:02,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:27:02,297 INFO L225 Difference]: With dead ends: 253 [2018-04-12 19:27:02,297 INFO L226 Difference]: Without dead ends: 253 [2018-04-12 19:27:02,297 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 45 SyntacticMatches, 5 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-04-12 19:27:02,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2018-04-12 19:27:02,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 202. [2018-04-12 19:27:02,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2018-04-12 19:27:02,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 212 transitions. [2018-04-12 19:27:02,300 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 212 transitions. Word has length 50 [2018-04-12 19:27:02,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:27:02,301 INFO L459 AbstractCegarLoop]: Abstraction has 202 states and 212 transitions. [2018-04-12 19:27:02,301 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-12 19:27:02,301 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 212 transitions. [2018-04-12 19:27:02,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-04-12 19:27:02,301 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:27:02,302 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:27:02,302 INFO L408 AbstractCegarLoop]: === Iteration 24 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:27:02,302 INFO L82 PathProgramCache]: Analyzing trace with hash 170946521, now seen corresponding path program 1 times [2018-04-12 19:27:02,302 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:27:02,302 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:27:02,303 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:02,303 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:27:02,303 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:02,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:27:02,311 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:27:02,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:27:02,490 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:27:02,490 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-04-12 19:27:02,490 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-12 19:27:02,490 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-12 19:27:02,490 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2018-04-12 19:27:02,490 INFO L87 Difference]: Start difference. First operand 202 states and 212 transitions. Second operand 13 states. [2018-04-12 19:27:02,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:27:02,767 INFO L93 Difference]: Finished difference Result 218 states and 228 transitions. [2018-04-12 19:27:02,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-12 19:27:02,768 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 53 [2018-04-12 19:27:02,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:27:02,768 INFO L225 Difference]: With dead ends: 218 [2018-04-12 19:27:02,768 INFO L226 Difference]: Without dead ends: 204 [2018-04-12 19:27:02,769 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=329, Unknown=0, NotChecked=0, Total=420 [2018-04-12 19:27:02,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2018-04-12 19:27:02,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 191. [2018-04-12 19:27:02,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2018-04-12 19:27:02,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 200 transitions. [2018-04-12 19:27:02,771 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 200 transitions. Word has length 53 [2018-04-12 19:27:02,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:27:02,771 INFO L459 AbstractCegarLoop]: Abstraction has 191 states and 200 transitions. [2018-04-12 19:27:02,771 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-12 19:27:02,771 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 200 transitions. [2018-04-12 19:27:02,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-04-12 19:27:02,771 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:27:02,772 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, 1, 1, 1] [2018-04-12 19:27:02,772 INFO L408 AbstractCegarLoop]: === Iteration 25 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:27:02,772 INFO L82 PathProgramCache]: Analyzing trace with hash -1802660308, now seen corresponding path program 1 times [2018-04-12 19:27:02,772 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:27:02,772 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:27:02,773 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:02,773 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:27:02,773 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:02,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:27:02,782 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:27:02,982 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:27:02,983 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:27:02,983 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-04-12 19:27:02,983 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-12 19:27:02,983 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-12 19:27:02,983 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2018-04-12 19:27:02,983 INFO L87 Difference]: Start difference. First operand 191 states and 200 transitions. Second operand 13 states. [2018-04-12 19:27:03,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:27:03,181 INFO L93 Difference]: Finished difference Result 209 states and 215 transitions. [2018-04-12 19:27:03,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-12 19:27:03,181 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 53 [2018-04-12 19:27:03,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:27:03,182 INFO L225 Difference]: With dead ends: 209 [2018-04-12 19:27:03,182 INFO L226 Difference]: Without dead ends: 183 [2018-04-12 19:27:03,182 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=163, Invalid=343, Unknown=0, NotChecked=0, Total=506 [2018-04-12 19:27:03,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2018-04-12 19:27:03,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 160. [2018-04-12 19:27:03,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-04-12 19:27:03,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 168 transitions. [2018-04-12 19:27:03,185 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 168 transitions. Word has length 53 [2018-04-12 19:27:03,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:27:03,185 INFO L459 AbstractCegarLoop]: Abstraction has 160 states and 168 transitions. [2018-04-12 19:27:03,185 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-12 19:27:03,185 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 168 transitions. [2018-04-12 19:27:03,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-04-12 19:27:03,186 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:27:03,186 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, 1, 1, 1] [2018-04-12 19:27:03,186 INFO L408 AbstractCegarLoop]: === Iteration 26 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:27:03,186 INFO L82 PathProgramCache]: Analyzing trace with hash -919692259, now seen corresponding path program 2 times [2018-04-12 19:27:03,186 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:27:03,186 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:27:03,187 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:03,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:27:03,188 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:03,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:27:03,196 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:27:03,342 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:27:03,342 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:27:03,342 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:27:03,348 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 19:27:03,367 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 19:27:03,368 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 19:27:03,370 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:27:03,420 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:03,421 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:03,421 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-04-12 19:27:03,421 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:03,425 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:03,425 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-04-12 19:27:03,445 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 [2018-04-12 19:27:03,446 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:27:03,446 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:03,447 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:03,455 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 [2018-04-12 19:27:03,457 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 [2018-04-12 19:27:03,457 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:03,458 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:03,464 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:03,464 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:36, output treesize:18 [2018-04-12 19:27:03,519 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:27:03,519 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:03,524 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:03,525 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:31 [2018-04-12 19:27:03,551 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 48 [2018-04-12 19:27:03,553 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:27:03,553 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:03,557 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:03,566 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 47 treesize of output 43 [2018-04-12 19:27:03,570 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 16 treesize of output 15 [2018-04-12 19:27:03,571 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:03,575 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:03,580 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:03,580 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:63, output treesize:29 [2018-04-12 19:27:03,623 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 [2018-04-12 19:27:03,624 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:27:03,624 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 21 treesize of output 17 [2018-04-12 19:27:03,625 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:03,628 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:03,633 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. [2018-04-12 19:27:03,633 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:46, output treesize:35 [2018-04-12 19:27:03,725 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:27:03,727 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 0 case distinctions, treesize of input 33 treesize of output 31 [2018-04-12 19:27:03,729 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:27:03,729 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:03,733 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 [2018-04-12 19:27:03,733 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:03,734 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:03,737 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:03,737 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:39, output treesize:5 [2018-04-12 19:27:03,748 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:27:03,766 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:27:03,766 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 29 [2018-04-12 19:27:03,766 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-12 19:27:03,766 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-12 19:27:03,767 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=785, Unknown=0, NotChecked=0, Total=870 [2018-04-12 19:27:03,767 INFO L87 Difference]: Start difference. First operand 160 states and 168 transitions. Second operand 30 states. [2018-04-12 19:27:04,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:27:04,858 INFO L93 Difference]: Finished difference Result 240 states and 248 transitions. [2018-04-12 19:27:04,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-12 19:27:04,859 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 53 [2018-04-12 19:27:04,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:27:04,859 INFO L225 Difference]: With dead ends: 240 [2018-04-12 19:27:04,859 INFO L226 Difference]: Without dead ends: 240 [2018-04-12 19:27:04,860 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 606 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=471, Invalid=2391, Unknown=0, NotChecked=0, Total=2862 [2018-04-12 19:27:04,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2018-04-12 19:27:04,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 171. [2018-04-12 19:27:04,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2018-04-12 19:27:04,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 181 transitions. [2018-04-12 19:27:04,862 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 181 transitions. Word has length 53 [2018-04-12 19:27:04,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:27:04,862 INFO L459 AbstractCegarLoop]: Abstraction has 171 states and 181 transitions. [2018-04-12 19:27:04,862 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-12 19:27:04,862 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 181 transitions. [2018-04-12 19:27:04,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-04-12 19:27:04,862 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:27:04,862 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, 1, 1, 1] [2018-04-12 19:27:04,863 INFO L408 AbstractCegarLoop]: === Iteration 27 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:27:04,863 INFO L82 PathProgramCache]: Analyzing trace with hash -919692258, now seen corresponding path program 2 times [2018-04-12 19:27:04,863 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:27:04,863 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:27:04,864 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:04,864 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 19:27:04,864 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:04,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:27:04,872 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:27:05,046 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:27:05,046 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:27:05,046 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:27:05,051 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 19:27:05,071 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 19:27:05,071 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 19:27:05,073 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:27:05,131 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:05,132 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:05,132 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-04-12 19:27:05,132 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:05,136 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:05,136 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-04-12 19:27:05,155 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 [2018-04-12 19:27:05,156 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:27:05,157 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:05,158 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:05,165 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 11 treesize of output 8 [2018-04-12 19:27:05,167 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 8 treesize of output 7 [2018-04-12 19:27:05,167 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:05,168 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:05,174 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:05,174 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:36, output treesize:18 [2018-04-12 19:27:05,232 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:27:05,232 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:05,238 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:05,238 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2018-04-12 19:27:05,266 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 55 treesize of output 51 [2018-04-12 19:27:05,268 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:27:05,268 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:05,272 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:05,281 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 40 [2018-04-12 19:27:05,284 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:27:05,284 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:05,287 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:05,291 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:05,291 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:63, output treesize:44 [2018-04-12 19:27:05,404 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:27:05,405 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 0 case distinctions, treesize of input 71 treesize of output 71 [2018-04-12 19:27:05,407 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:27:05,408 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 46 treesize of output 30 [2018-04-12 19:27:05,408 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:27:05,418 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:27:05,418 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-04-12 19:27:05,419 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:05,425 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:27:05,434 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 23 treesize of output 19 [2018-04-12 19:27:05,435 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:27:05,436 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 15 treesize of output 11 [2018-04-12 19:27:05,436 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:05,439 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:05,443 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:05,443 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:77, output treesize:9 [2018-04-12 19:27:05,466 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:27:05,483 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:27:05,483 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 29 [2018-04-12 19:27:05,483 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-12 19:27:05,484 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-12 19:27:05,484 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=786, Unknown=1, NotChecked=0, Total=870 [2018-04-12 19:27:05,484 INFO L87 Difference]: Start difference. First operand 171 states and 181 transitions. Second operand 30 states. [2018-04-12 19:27:06,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:27:06,317 INFO L93 Difference]: Finished difference Result 280 states and 289 transitions. [2018-04-12 19:27:06,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-04-12 19:27:06,317 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 53 [2018-04-12 19:27:06,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:27:06,318 INFO L225 Difference]: With dead ends: 280 [2018-04-12 19:27:06,318 INFO L226 Difference]: Without dead ends: 280 [2018-04-12 19:27:06,318 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 42 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 441 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=344, Invalid=2007, Unknown=1, NotChecked=0, Total=2352 [2018-04-12 19:27:06,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2018-04-12 19:27:06,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 169. [2018-04-12 19:27:06,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-04-12 19:27:06,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 178 transitions. [2018-04-12 19:27:06,321 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 178 transitions. Word has length 53 [2018-04-12 19:27:06,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:27:06,321 INFO L459 AbstractCegarLoop]: Abstraction has 169 states and 178 transitions. [2018-04-12 19:27:06,321 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-12 19:27:06,321 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 178 transitions. [2018-04-12 19:27:06,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-04-12 19:27:06,321 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:27:06,321 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] [2018-04-12 19:27:06,321 INFO L408 AbstractCegarLoop]: === Iteration 28 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:27:06,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1498005594, now seen corresponding path program 1 times [2018-04-12 19:27:06,322 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:27:06,322 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:27:06,346 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:06,346 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 19:27:06,346 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:06,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:27:06,353 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:27:06,535 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:27:06,535 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:27:06,535 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:27:06,541 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:27:06,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:27:06,560 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:27:06,565 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:06,566 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:06,566 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-04-12 19:27:06,566 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:06,569 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:06,569 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2018-04-12 19:27:06,592 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 [2018-04-12 19:27:06,594 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:27:06,595 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:06,597 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:06,606 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 [2018-04-12 19:27:06,608 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 8 treesize of output 7 [2018-04-12 19:27:06,608 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:06,610 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:06,617 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:06,617 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:33, output treesize:15 [2018-04-12 19:27:06,637 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:27:06,637 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:06,659 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:06,659 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2018-04-12 19:27:06,665 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 55 treesize of output 51 [2018-04-12 19:27:06,666 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 16 treesize of output 15 [2018-04-12 19:27:06,666 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:06,670 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:06,679 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 39 treesize of output 40 [2018-04-12 19:27:06,680 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 16 treesize of output 15 [2018-04-12 19:27:06,680 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:06,683 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:06,688 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:06,688 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:60, output treesize:26 [2018-04-12 19:27:06,732 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 [2018-04-12 19:27:06,735 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:27:06,735 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:06,737 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:06,741 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. [2018-04-12 19:27:06,742 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:40, output treesize:29 [2018-04-12 19:27:06,802 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 33 treesize of output 24 [2018-04-12 19:27:06,807 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 [2018-04-12 19:27:06,807 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:06,812 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:27:06,812 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:06,813 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:06,814 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:06,814 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:33, output treesize:5 [2018-04-12 19:27:06,833 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:27:06,861 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:27:06,862 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14] total 20 [2018-04-12 19:27:06,862 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-12 19:27:06,862 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-12 19:27:06,862 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2018-04-12 19:27:06,863 INFO L87 Difference]: Start difference. First operand 169 states and 178 transitions. Second operand 21 states. [2018-04-12 19:27:07,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:27:07,517 INFO L93 Difference]: Finished difference Result 253 states and 262 transitions. [2018-04-12 19:27:07,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-04-12 19:27:07,518 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 53 [2018-04-12 19:27:07,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:27:07,518 INFO L225 Difference]: With dead ends: 253 [2018-04-12 19:27:07,518 INFO L226 Difference]: Without dead ends: 253 [2018-04-12 19:27:07,519 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 46 SyntacticMatches, 6 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=260, Invalid=1300, Unknown=0, NotChecked=0, Total=1560 [2018-04-12 19:27:07,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2018-04-12 19:27:07,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 177. [2018-04-12 19:27:07,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2018-04-12 19:27:07,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 187 transitions. [2018-04-12 19:27:07,520 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 187 transitions. Word has length 53 [2018-04-12 19:27:07,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:27:07,521 INFO L459 AbstractCegarLoop]: Abstraction has 177 states and 187 transitions. [2018-04-12 19:27:07,521 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-12 19:27:07,521 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 187 transitions. [2018-04-12 19:27:07,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-04-12 19:27:07,521 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:27:07,521 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] [2018-04-12 19:27:07,521 INFO L408 AbstractCegarLoop]: === Iteration 29 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:27:07,521 INFO L82 PathProgramCache]: Analyzing trace with hash 1498005595, now seen corresponding path program 1 times [2018-04-12 19:27:07,521 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:27:07,521 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:27:07,522 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:07,522 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:27:07,522 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:07,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:27:07,527 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:27:07,767 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:27:07,767 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:27:07,767 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:27:07,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:27:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:27:07,794 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:27:07,800 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:07,800 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:07,801 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-04-12 19:27:07,801 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:07,804 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:07,804 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2018-04-12 19:27:07,809 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-12 19:27:07,812 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:27:07,812 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:07,814 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:07,833 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 [2018-04-12 19:27:07,835 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:27:07,835 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:07,837 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:07,843 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:07,843 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:33, output treesize:15 [2018-04-12 19:27:07,860 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 6 treesize of output 5 [2018-04-12 19:27:07,860 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:07,865 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:07,865 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:27 [2018-04-12 19:27:07,876 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 55 treesize of output 51 [2018-04-12 19:27:07,877 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:27:07,877 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:07,880 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:07,887 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 39 treesize of output 40 [2018-04-12 19:27:07,888 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:27:07,888 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:07,892 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:07,896 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:07,896 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:60, output treesize:41 [2018-04-12 19:27:07,993 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 71 treesize of output 58 [2018-04-12 19:27:07,995 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 5 [2018-04-12 19:27:07,995 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:08,000 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 27 [2018-04-12 19:27:08,001 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:27:08,005 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:27:08,011 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 23 treesize of output 19 [2018-04-12 19:27:08,012 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-04-12 19:27:08,013 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:27:08,017 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:27:08,017 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:08,018 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:08,021 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:08,021 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:71, output treesize:9 [2018-04-12 19:27:08,047 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:27:08,075 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:27:08,075 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14] total 20 [2018-04-12 19:27:08,075 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-12 19:27:08,075 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-12 19:27:08,076 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2018-04-12 19:27:08,076 INFO L87 Difference]: Start difference. First operand 177 states and 187 transitions. Second operand 21 states. [2018-04-12 19:27:08,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:27:08,833 INFO L93 Difference]: Finished difference Result 283 states and 292 transitions. [2018-04-12 19:27:08,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-12 19:27:08,833 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 53 [2018-04-12 19:27:08,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:27:08,834 INFO L225 Difference]: With dead ends: 283 [2018-04-12 19:27:08,834 INFO L226 Difference]: Without dead ends: 283 [2018-04-12 19:27:08,834 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 44 SyntacticMatches, 8 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=176, Invalid=1084, Unknown=0, NotChecked=0, Total=1260 [2018-04-12 19:27:08,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2018-04-12 19:27:08,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 169. [2018-04-12 19:27:08,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-04-12 19:27:08,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 178 transitions. [2018-04-12 19:27:08,836 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 178 transitions. Word has length 53 [2018-04-12 19:27:08,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:27:08,836 INFO L459 AbstractCegarLoop]: Abstraction has 169 states and 178 transitions. [2018-04-12 19:27:08,836 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-12 19:27:08,836 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 178 transitions. [2018-04-12 19:27:08,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-04-12 19:27:08,837 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:27:08,837 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] [2018-04-12 19:27:08,837 INFO L408 AbstractCegarLoop]: === Iteration 30 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:27:08,837 INFO L82 PathProgramCache]: Analyzing trace with hash -1168750623, now seen corresponding path program 3 times [2018-04-12 19:27:08,837 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:27:08,837 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:27:08,838 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:08,838 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:27:08,838 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:08,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:27:08,847 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:27:09,039 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:27:09,039 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:27:09,040 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:27:09,046 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-04-12 19:27:09,075 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-04-12 19:27:09,075 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 19:27:09,077 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:27:09,132 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:09,132 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:09,132 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-04-12 19:27:09,133 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:09,135 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:09,135 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-04-12 19:27:09,149 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 [2018-04-12 19:27:09,150 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 8 treesize of output 7 [2018-04-12 19:27:09,150 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:09,151 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:09,155 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:09,155 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:30, output treesize:23 [2018-04-12 19:27:09,201 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:09,202 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:09,202 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 [2018-04-12 19:27:09,202 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:09,205 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:09,205 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:23 [2018-04-12 19:27:09,221 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:09,223 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 27 treesize of output 28 [2018-04-12 19:27:09,224 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 [2018-04-12 19:27:09,224 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:09,227 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:09,232 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:09,232 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:39, output treesize:28 [2018-04-12 19:27:09,292 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 15 [2018-04-12 19:27:09,292 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:09,299 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. [2018-04-12 19:27:09,299 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:50, output treesize:49 [2018-04-12 19:27:09,334 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 61 [2018-04-12 19:27:09,336 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 62 treesize of output 61 [2018-04-12 19:27:09,337 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:09,357 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 39 treesize of output 48 [2018-04-12 19:27:09,358 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-12 19:27:09,370 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 19:27:09,381 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. [2018-04-12 19:27:09,381 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:65, output treesize:85 [2018-04-12 19:27:09,488 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 5 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 56 [2018-04-12 19:27:09,491 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 46 treesize of output 42 [2018-04-12 19:27:09,491 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:09,514 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:27:09,515 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 32 [2018-04-12 19:27:09,515 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:09,532 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 32 treesize of output 30 [2018-04-12 19:27:09,533 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:27:09,548 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 1 case distinctions, treesize of input 26 treesize of output 30 [2018-04-12 19:27:09,549 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-12 19:27:09,568 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:27:09,569 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 24 [2018-04-12 19:27:09,569 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:09,585 INFO L267 ElimStorePlain]: Start of recursive call 2: 5 dim-1 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2018-04-12 19:27:09,621 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 44 treesize of output 37 [2018-04-12 19:27:09,622 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 5 [2018-04-12 19:27:09,622 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:27:09,629 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:27:09,629 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 [2018-04-12 19:27:09,629 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:09,634 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:27:09,665 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 4 xjuncts. [2018-04-12 19:27:09,665 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 9 variables, input treesize:105, output treesize:45 [2018-04-12 19:27:09,688 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:27:09,706 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:27:09,706 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18] total 32 [2018-04-12 19:27:09,706 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-04-12 19:27:09,706 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-04-12 19:27:09,706 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=937, Unknown=0, NotChecked=0, Total=1056 [2018-04-12 19:27:09,707 INFO L87 Difference]: Start difference. First operand 169 states and 178 transitions. Second operand 33 states. [2018-04-12 19:27:11,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:27:11,194 INFO L93 Difference]: Finished difference Result 355 states and 371 transitions. [2018-04-12 19:27:11,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-04-12 19:27:11,194 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 55 [2018-04-12 19:27:11,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:27:11,195 INFO L225 Difference]: With dead ends: 355 [2018-04-12 19:27:11,195 INFO L226 Difference]: Without dead ends: 355 [2018-04-12 19:27:11,196 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1273 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=811, Invalid=3877, Unknown=4, NotChecked=0, Total=4692 [2018-04-12 19:27:11,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2018-04-12 19:27:11,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 200. [2018-04-12 19:27:11,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2018-04-12 19:27:11,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 212 transitions. [2018-04-12 19:27:11,199 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 212 transitions. Word has length 55 [2018-04-12 19:27:11,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:27:11,199 INFO L459 AbstractCegarLoop]: Abstraction has 200 states and 212 transitions. [2018-04-12 19:27:11,199 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-04-12 19:27:11,199 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 212 transitions. [2018-04-12 19:27:11,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-04-12 19:27:11,199 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:27:11,199 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] [2018-04-12 19:27:11,200 INFO L408 AbstractCegarLoop]: === Iteration 31 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:27:11,200 INFO L82 PathProgramCache]: Analyzing trace with hash -1168750622, now seen corresponding path program 3 times [2018-04-12 19:27:11,200 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:27:11,200 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:27:11,200 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:11,200 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 19:27:11,201 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:11,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:27:11,211 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:27:11,493 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:27:11,493 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:27:11,493 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:27:11,499 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-04-12 19:27:11,520 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-04-12 19:27:11,520 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 19:27:11,522 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:27:11,572 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:11,572 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:11,573 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 [2018-04-12 19:27:11,573 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:11,578 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:11,578 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2018-04-12 19:27:11,600 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 [2018-04-12 19:27:11,601 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:27:11,601 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:11,602 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:11,611 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 [2018-04-12 19:27:11,612 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:27:11,613 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:11,614 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:11,620 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:11,621 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:49, output treesize:39 [2018-04-12 19:27:11,752 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:11,754 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 14 treesize of output 21 [2018-04-12 19:27:11,754 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:11,769 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:11,770 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:11,771 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:11,771 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 [2018-04-12 19:27:11,771 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:11,782 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:11,783 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:68, output treesize:64 [2018-04-12 19:27:11,817 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:11,820 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 26 treesize of output 31 [2018-04-12 19:27:11,822 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:27:11,822 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:11,827 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:11,846 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:11,849 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 58 [2018-04-12 19:27:11,850 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 [2018-04-12 19:27:11,851 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:11,859 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:11,874 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:11,875 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:91, output treesize:85 [2018-04-12 19:27:11,990 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 [2018-04-12 19:27:11,992 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:27:11,992 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:11,993 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:12,008 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. [2018-04-12 19:27:12,008 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:122, output treesize:118 [2018-04-12 19:27:12,054 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:12,056 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 54 [2018-04-12 19:27:12,057 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:12,085 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:12,086 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:12,086 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 15 treesize of output 8 [2018-04-12 19:27:12,087 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:12,102 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. [2018-04-12 19:27:12,102 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:132, output treesize:125 [2018-04-12 19:27:12,184 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 48 treesize of output 83 [2018-04-12 19:27:12,188 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 65 treesize of output 64 [2018-04-12 19:27:12,188 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:12,265 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:27:12,266 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 44 treesize of output 42 [2018-04-12 19:27:12,266 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:12,318 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 2 case distinctions, treesize of input 40 treesize of output 46 [2018-04-12 19:27:12,319 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-12 19:27:12,378 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-12 19:27:12,435 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:12,437 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 105 [2018-04-12 19:27:12,442 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:27:12,443 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 93 treesize of output 69 [2018-04-12 19:27:12,443 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:27:12,464 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:27:12,475 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:12,495 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 6 case distinctions, treesize of input 123 treesize of output 136 [2018-04-12 19:27:12,513 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 122 treesize of output 125 [2018-04-12 19:27:12,514 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 19:27:12,756 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:27:12,878 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 120 treesize of output 119 [2018-04-12 19:27:12,878 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:12,964 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:27:12,964 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 98 treesize of output 82 [2018-04-12 19:27:12,965 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:27:13,115 INFO L267 ElimStorePlain]: Start of recursive call 8: 5 dim-1 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2018-04-12 19:27:13,118 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:13,119 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:13,120 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 114 treesize of output 112 [2018-04-12 19:27:13,132 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 63 [2018-04-12 19:27:13,134 INFO L267 ElimStorePlain]: Start of recursive call 14: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-04-12 19:27:13,174 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-04-12 19:27:13,352 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 13 dim-0 vars, and 8 xjuncts. [2018-04-12 19:27:13,352 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 5 variables, input treesize:150, output treesize:897 [2018-04-12 19:27:13,590 WARN L151 SmtUtils]: Spent 127ms on a formula simplification. DAG size of input: 196 DAG size of output 97 [2018-04-12 19:27:13,740 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:13,740 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 157 treesize of output 177 [2018-04-12 19:27:13,742 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 34 treesize of output 38 [2018-04-12 19:27:13,742 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:13,763 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:13,857 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:13,866 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 132 treesize of output 157 [2018-04-12 19:27:13,869 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 144 [2018-04-12 19:27:13,869 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:13,941 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:27:13,942 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:13,942 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 118 treesize of output 117 [2018-04-12 19:27:13,943 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:13,991 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 19:27:14,111 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:14,121 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 3 case distinctions, treesize of input 179 treesize of output 204 [2018-04-12 19:27:14,124 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 191 treesize of output 191 [2018-04-12 19:27:14,124 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:14,226 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:27:14,227 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:14,227 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 165 treesize of output 164 [2018-04-12 19:27:14,228 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:14,293 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 19:27:14,452 INFO L267 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 3 dim-2 vars, End of recursive call: 17 dim-0 vars, and 5 xjuncts. [2018-04-12 19:27:14,452 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 12 variables, input treesize:469, output treesize:675 [2018-04-12 19:27:14,788 WARN L148 SmtUtils]: Spent 133ms on a formula simplification that was a NOOP. DAG size: 208 [2018-04-12 19:27:15,060 WARN L148 SmtUtils]: Spent 123ms on a formula simplification that was a NOOP. DAG size: 208 [2018-04-12 19:27:15,138 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:15,139 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:15,140 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 133 treesize of output 135 [2018-04-12 19:27:15,154 INFO L477 Elim1Store]: Elim1 applied some 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 39 [2018-04-12 19:27:15,156 INFO L267 ElimStorePlain]: Start of recursive call 3: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 8 xjuncts. [2018-04-12 19:27:15,199 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:27:15,199 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:15,220 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 19:27:15,393 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 97 [2018-04-12 19:27:15,399 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 15 treesize of output 12 [2018-04-12 19:27:15,399 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-04-12 19:27:15,414 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 19:27:15,648 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:15,648 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:15,650 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:15,655 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 1 case distinctions, treesize of input 180 treesize of output 198 [2018-04-12 19:27:15,670 INFO L477 Elim1Store]: Elim1 applied some 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 186 treesize of output 206 [2018-04-12 19:27:15,673 INFO L267 ElimStorePlain]: Start of recursive call 8: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 8 xjuncts. [2018-04-12 19:27:15,811 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 167 treesize of output 160 [2018-04-12 19:27:15,812 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:15,816 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 172 treesize of output 165 [2018-04-12 19:27:15,816 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:15,908 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 186 treesize of output 179 [2018-04-12 19:27:15,908 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:15,997 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 179 treesize of output 172 [2018-04-12 19:27:15,998 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:16,091 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 172 treesize of output 165 [2018-04-12 19:27:16,091 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:16,173 INFO L267 ElimStorePlain]: Start of recursive call 7: 5 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-12 19:27:16,459 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:16,460 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 163 treesize of output 163 [2018-04-12 19:27:16,493 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:27:16,493 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:16,516 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:27:16,517 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:16,536 INFO L267 ElimStorePlain]: Start of recursive call 14: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:16,815 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:16,816 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:16,819 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:16,823 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 1 case distinctions, treesize of input 138 treesize of output 164 [2018-04-12 19:27:16,825 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 160 treesize of output 153 [2018-04-12 19:27:16,825 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:16,885 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 136 treesize of output 129 [2018-04-12 19:27:16,886 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:16,937 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 141 treesize of output 134 [2018-04-12 19:27:16,937 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:16,989 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 129 treesize of output 127 [2018-04-12 19:27:16,990 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 2 xjuncts. [2018-04-12 19:27:17,051 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 134 treesize of output 127 [2018-04-12 19:27:17,051 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:17,116 INFO L267 ElimStorePlain]: Start of recursive call 17: 5 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-12 19:27:17,465 INFO L267 ElimStorePlain]: Start of recursive call 1: 17 dim-0 vars, 5 dim-2 vars, End of recursive call: 35 dim-0 vars, and 11 xjuncts. [2018-04-12 19:27:17,466 INFO L202 ElimStorePlain]: Needed 22 recursive calls to eliminate 22 variables, input treesize:720, output treesize:1658 [2018-04-12 19:27:21,249 WARN L151 SmtUtils]: Spent 3525ms on a formula simplification. DAG size of input: 432 DAG size of output 343 [2018-04-12 19:27:21,656 WARN L148 SmtUtils]: Spent 215ms on a formula simplification that was a NOOP. DAG size: 215 [2018-04-12 19:27:21,674 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:21,679 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 1 case distinctions, treesize of input 179 treesize of output 181 [2018-04-12 19:27:21,681 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:27:21,682 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 169 treesize of output 163 [2018-04-12 19:27:21,682 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:21,751 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 165 treesize of output 161 [2018-04-12 19:27:21,751 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:21,810 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:27:21,811 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 158 treesize of output 152 [2018-04-12 19:27:21,811 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:21,871 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:27:21,871 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 0 case distinctions, treesize of input 145 treesize of output 140 [2018-04-12 19:27:21,872 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:21,920 INFO L267 ElimStorePlain]: Start of recursive call 2: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:22,093 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:22,094 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:22,095 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:22,096 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 158 treesize of output 141 [2018-04-12 19:27:22,101 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 30 treesize of output 31 [2018-04-12 19:27:22,102 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 19:27:22,127 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:27:22,128 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 53 treesize of output 39 [2018-04-12 19:27:22,128 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:22,148 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2018-04-12 19:27:22,148 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:27:22,166 INFO L267 ElimStorePlain]: Start of recursive call 7: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:27:22,315 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 83 [2018-04-12 19:27:22,317 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-04-12 19:27:22,317 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:22,334 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-12 19:27:22,334 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:22,348 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:27:22,348 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:22,358 INFO L267 ElimStorePlain]: Start of recursive call 11: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:22,445 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:22,446 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:22,450 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 4 new quantified variables, introduced 1 case distinctions, treesize of input 128 treesize of output 111 [2018-04-12 19:27:22,452 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 104 treesize of output 98 [2018-04-12 19:27:22,452 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:27:22,491 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 94 treesize of output 79 [2018-04-12 19:27:22,492 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:22,526 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 69 [2018-04-12 19:27:22,527 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:27:22,574 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 86 treesize of output 80 [2018-04-12 19:27:22,575 INFO L267 ElimStorePlain]: Start of recursive call 19: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-12 19:27:22,624 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 70 treesize of output 61 [2018-04-12 19:27:22,624 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:22,626 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 52 [2018-04-12 19:27:22,626 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:22,669 INFO L267 ElimStorePlain]: Start of recursive call 15: 5 dim-1 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2018-04-12 19:27:22,736 INFO L267 ElimStorePlain]: Start of recursive call 1: 29 dim-0 vars, 12 dim-2 vars, End of recursive call: 8 dim-0 vars, and 4 xjuncts. [2018-04-12 19:27:22,736 INFO L202 ElimStorePlain]: Needed 21 recursive calls to eliminate 41 variables, input treesize:890, output treesize:147 [2018-04-12 19:27:22,907 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:27:22,925 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:27:22,925 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 24] total 41 [2018-04-12 19:27:22,925 INFO L442 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-04-12 19:27:22,925 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-04-12 19:27:22,925 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=1577, Unknown=1, NotChecked=0, Total=1722 [2018-04-12 19:27:22,925 INFO L87 Difference]: Start difference. First operand 200 states and 212 transitions. Second operand 42 states. [2018-04-12 19:27:25,724 WARN L151 SmtUtils]: Spent 230ms on a formula simplification. DAG size of input: 162 DAG size of output 144 [2018-04-12 19:27:26,266 WARN L151 SmtUtils]: Spent 293ms on a formula simplification. DAG size of input: 228 DAG size of output 226 [2018-04-12 19:27:26,876 WARN L151 SmtUtils]: Spent 293ms on a formula simplification. DAG size of input: 339 DAG size of output 217 [2018-04-12 19:27:27,608 WARN L151 SmtUtils]: Spent 368ms on a formula simplification. DAG size of input: 351 DAG size of output 218 [2018-04-12 19:27:31,986 WARN L151 SmtUtils]: Spent 3770ms on a formula simplification. DAG size of input: 592 DAG size of output 376 [2018-04-12 19:27:33,055 WARN L151 SmtUtils]: Spent 605ms on a formula simplification. DAG size of input: 521 DAG size of output 221 [2018-04-12 19:27:34,065 WARN L151 SmtUtils]: Spent 635ms on a formula simplification. DAG size of input: 533 DAG size of output 233 [2018-04-12 19:27:34,554 WARN L151 SmtUtils]: Spent 295ms on a formula simplification. DAG size of input: 228 DAG size of output 224 [2018-04-12 19:27:34,961 WARN L151 SmtUtils]: Spent 255ms on a formula simplification. DAG size of input: 216 DAG size of output 214 [2018-04-12 19:27:35,514 WARN L151 SmtUtils]: Spent 264ms on a formula simplification. DAG size of input: 218 DAG size of output 216 [2018-04-12 19:27:37,005 WARN L151 SmtUtils]: Spent 269ms on a formula simplification. DAG size of input: 213 DAG size of output 211 [2018-04-12 19:27:38,827 WARN L151 SmtUtils]: Spent 1207ms on a formula simplification. DAG size of input: 346 DAG size of output 332 [2018-04-12 19:27:39,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:27:39,367 INFO L93 Difference]: Finished difference Result 426 states and 439 transitions. [2018-04-12 19:27:39,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-04-12 19:27:39,368 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 55 [2018-04-12 19:27:39,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:27:39,368 INFO L225 Difference]: With dead ends: 426 [2018-04-12 19:27:39,368 INFO L226 Difference]: Without dead ends: 426 [2018-04-12 19:27:39,370 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1687 ImplicationChecksByTransitivity, 18.3s TimeCoverageRelationStatistics Valid=1050, Invalid=6404, Unknown=28, NotChecked=0, Total=7482 [2018-04-12 19:27:39,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2018-04-12 19:27:39,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 192. [2018-04-12 19:27:39,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2018-04-12 19:27:39,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 203 transitions. [2018-04-12 19:27:39,372 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 203 transitions. Word has length 55 [2018-04-12 19:27:39,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:27:39,372 INFO L459 AbstractCegarLoop]: Abstraction has 192 states and 203 transitions. [2018-04-12 19:27:39,372 INFO L460 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-04-12 19:27:39,372 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 203 transitions. [2018-04-12 19:27:39,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-04-12 19:27:39,372 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:27:39,373 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-12 19:27:39,373 INFO L408 AbstractCegarLoop]: === Iteration 32 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:27:39,373 INFO L82 PathProgramCache]: Analyzing trace with hash 1248947230, now seen corresponding path program 2 times [2018-04-12 19:27:39,373 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:27:39,373 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:27:39,374 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:39,374 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 19:27:39,374 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:39,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:27:39,382 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:27:39,502 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:27:39,503 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:27:39,503 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:27:39,508 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 19:27:39,524 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 19:27:39,524 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 19:27:39,526 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:27:39,562 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:39,562 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:39,563 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 [2018-04-12 19:27:39,563 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:39,565 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:39,565 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-04-12 19:27:39,578 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 [2018-04-12 19:27:39,579 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:27:39,579 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:39,580 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:39,584 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:39,584 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2018-04-12 19:27:39,635 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:39,637 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 28 [2018-04-12 19:27:39,639 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:27:39,639 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:39,643 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:39,650 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 [2018-04-12 19:27:39,656 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:27:39,656 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:39,657 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:39,662 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:39,663 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:46, output treesize:31 [2018-04-12 19:27:39,683 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 23 treesize of output 11 [2018-04-12 19:27:39,684 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:27:39,684 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:39,685 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:39,689 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:39,689 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:43, output treesize:24 [2018-04-12 19:27:39,722 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 16 treesize of output 15 [2018-04-12 19:27:39,722 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:39,726 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:39,726 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2018-04-12 19:27:39,753 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 39 [2018-04-12 19:27:39,755 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 30 treesize of output 29 [2018-04-12 19:27:39,755 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:39,768 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 0 case distinctions, treesize of input 25 treesize of output 23 [2018-04-12 19:27:39,768 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:27:39,776 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 19:27:39,785 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 2 xjuncts. [2018-04-12 19:27:39,786 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:37, output treesize:53 [2018-04-12 19:27:39,839 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 17 treesize of output 13 [2018-04-12 19:27:39,841 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:27:39,841 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 9 [2018-04-12 19:27:39,841 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:39,843 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:39,847 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. [2018-04-12 19:27:39,847 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:32, output treesize:11 [2018-04-12 19:27:39,861 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:27:39,878 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:27:39,878 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 18] total 30 [2018-04-12 19:27:39,878 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-12 19:27:39,879 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-12 19:27:39,879 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=828, Unknown=0, NotChecked=0, Total=930 [2018-04-12 19:27:39,879 INFO L87 Difference]: Start difference. First operand 192 states and 203 transitions. Second operand 31 states. [2018-04-12 19:27:40,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:27:40,931 INFO L93 Difference]: Finished difference Result 294 states and 307 transitions. [2018-04-12 19:27:40,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-12 19:27:40,932 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 55 [2018-04-12 19:27:40,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:27:40,934 INFO L225 Difference]: With dead ends: 294 [2018-04-12 19:27:40,934 INFO L226 Difference]: Without dead ends: 294 [2018-04-12 19:27:40,934 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 41 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 696 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=596, Invalid=2710, Unknown=0, NotChecked=0, Total=3306 [2018-04-12 19:27:40,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2018-04-12 19:27:40,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 200. [2018-04-12 19:27:40,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2018-04-12 19:27:40,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 212 transitions. [2018-04-12 19:27:40,938 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 212 transitions. Word has length 55 [2018-04-12 19:27:40,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:27:40,938 INFO L459 AbstractCegarLoop]: Abstraction has 200 states and 212 transitions. [2018-04-12 19:27:40,938 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-12 19:27:40,938 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 212 transitions. [2018-04-12 19:27:40,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-04-12 19:27:40,939 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:27:40,939 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-12 19:27:40,939 INFO L408 AbstractCegarLoop]: === Iteration 33 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:27:40,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1248947231, now seen corresponding path program 2 times [2018-04-12 19:27:40,939 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:27:40,940 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:27:40,940 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:40,941 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 19:27:40,941 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:40,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:27:40,954 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:27:41,232 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:27:41,233 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:27:41,233 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:27:41,238 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 19:27:41,270 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 19:27:41,270 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 19:27:41,273 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:27:41,323 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 [2018-04-12 19:27:41,324 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 10 treesize of output 9 [2018-04-12 19:27:41,324 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:41,325 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:41,330 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:41,330 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2018-04-12 19:27:41,382 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:41,383 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:41,383 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 [2018-04-12 19:27:41,383 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:41,389 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:41,389 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:20 [2018-04-12 19:27:41,452 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 [2018-04-12 19:27:41,455 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:27:41,456 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:41,458 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:41,467 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:41,467 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:29 [2018-04-12 19:27:41,577 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:41,581 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 28 [2018-04-12 19:27:41,583 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:27:41,583 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:41,588 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:41,598 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. [2018-04-12 19:27:41,598 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:46, output treesize:46 [2018-04-12 19:27:41,646 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:41,646 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:41,647 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 [2018-04-12 19:27:41,647 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:41,658 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. [2018-04-12 19:27:41,659 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:57, output treesize:55 [2018-04-12 19:27:41,723 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:41,727 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 40 treesize of output 41 [2018-04-12 19:27:41,729 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 [2018-04-12 19:27:41,729 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:41,737 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:41,750 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. [2018-04-12 19:27:41,750 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:66, output treesize:63 [2018-04-12 19:27:41,871 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:41,884 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 92 [2018-04-12 19:27:41,886 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 69 treesize of output 68 [2018-04-12 19:27:41,887 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:41,912 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:41,928 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. [2018-04-12 19:27:41,928 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:88, output treesize:92 [2018-04-12 19:27:42,012 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:42,022 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 4 case distinctions, treesize of input 53 treesize of output 118 [2018-04-12 19:27:42,050 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 95 treesize of output 79 [2018-04-12 19:27:42,050 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:42,075 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:42,080 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 2 case distinctions, treesize of input 57 treesize of output 67 [2018-04-12 19:27:42,080 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-12 19:27:42,092 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 19:27:42,111 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. [2018-04-12 19:27:42,111 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:110, output treesize:187 [2018-04-12 19:27:42,173 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:42,173 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:42,174 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:42,174 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 97 treesize of output 102 [2018-04-12 19:27:42,174 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:42,198 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:42,199 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:42,199 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:42,200 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:42,200 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 87 treesize of output 92 [2018-04-12 19:27:42,201 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:42,222 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. [2018-04-12 19:27:42,222 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:197, output treesize:171 [2018-04-12 19:27:42,272 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:42,282 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 3 case distinctions, treesize of input 101 treesize of output 102 [2018-04-12 19:27:42,285 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:42,285 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 96 [2018-04-12 19:27:42,285 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:42,322 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 98 treesize of output 97 [2018-04-12 19:27:42,322 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:42,341 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:42,365 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:42,365 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:27:42,366 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:42,368 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 91 treesize of output 75 [2018-04-12 19:27:42,370 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 40 treesize of output 36 [2018-04-12 19:27:42,370 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:42,377 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:42,396 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. [2018-04-12 19:27:42,397 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:193, output treesize:160 [2018-04-12 19:27:42,445 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 73 treesize of output 54 [2018-04-12 19:27:42,446 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 [2018-04-12 19:27:42,447 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:27:42,453 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 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 [2018-04-12 19:27:42,454 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:42,458 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:27:42,480 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 5 new quantified variables, introduced 1 case distinctions, treesize of input 118 treesize of output 84 [2018-04-12 19:27:42,482 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 74 treesize of output 65 [2018-04-12 19:27:42,482 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:42,502 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 65 treesize of output 59 [2018-04-12 19:27:42,502 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:27:42,521 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 62 [2018-04-12 19:27:42,522 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:27:42,541 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 59 treesize of output 51 [2018-04-12 19:27:42,541 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:27:42,559 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 51 [2018-04-12 19:27:42,560 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:27:42,578 INFO L267 ElimStorePlain]: Start of recursive call 5: 5 dim-1 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2018-04-12 19:27:42,602 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 10 dim-0 vars, and 3 xjuncts. [2018-04-12 19:27:42,602 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 7 variables, input treesize:192, output treesize:137 [2018-04-12 19:27:42,661 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 32 treesize of output 41 [2018-04-12 19:27:42,663 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:27:42,663 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:42,667 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:42,674 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. [2018-04-12 19:27:42,674 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:47, output treesize:43 [2018-04-12 19:27:42,746 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 35 treesize of output 39 [2018-04-12 19:27:42,750 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 [2018-04-12 19:27:42,751 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 19:27:42,757 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:27:42,758 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:42,762 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-12 19:27:42,762 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:42,764 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 19:27:42,769 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-12 19:27:42,769 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:50, output treesize:18 [2018-04-12 19:27:42,829 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:27:42,846 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:27:42,846 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 25] total 40 [2018-04-12 19:27:42,846 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-04-12 19:27:42,846 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-04-12 19:27:42,847 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=1404, Unknown=0, NotChecked=0, Total=1560 [2018-04-12 19:27:42,847 INFO L87 Difference]: Start difference. First operand 200 states and 212 transitions. Second operand 40 states. [2018-04-12 19:27:45,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:27:45,701 INFO L93 Difference]: Finished difference Result 423 states and 435 transitions. [2018-04-12 19:27:45,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-04-12 19:27:45,701 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 55 [2018-04-12 19:27:45,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:27:45,702 INFO L225 Difference]: With dead ends: 423 [2018-04-12 19:27:45,702 INFO L226 Difference]: Without dead ends: 423 [2018-04-12 19:27:45,703 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1540 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=929, Invalid=5877, Unknown=0, NotChecked=0, Total=6806 [2018-04-12 19:27:45,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2018-04-12 19:27:45,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 192. [2018-04-12 19:27:45,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2018-04-12 19:27:45,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 202 transitions. [2018-04-12 19:27:45,706 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 202 transitions. Word has length 55 [2018-04-12 19:27:45,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:27:45,706 INFO L459 AbstractCegarLoop]: Abstraction has 192 states and 202 transitions. [2018-04-12 19:27:45,706 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-04-12 19:27:45,706 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 202 transitions. [2018-04-12 19:27:45,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-04-12 19:27:45,706 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:27:45,707 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, 1, 1, 1, 1, 1, 1] [2018-04-12 19:27:45,707 INFO L408 AbstractCegarLoop]: === Iteration 34 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:27:45,707 INFO L82 PathProgramCache]: Analyzing trace with hash 109580897, now seen corresponding path program 1 times [2018-04-12 19:27:45,707 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:27:45,707 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:27:45,708 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:45,708 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 19:27:45,708 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:45,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:27:45,715 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:27:45,801 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:27:45,802 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:27:45,802 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:27:45,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:27:45,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:27:45,832 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:27:45,837 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:45,838 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:45,838 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 [2018-04-12 19:27:45,838 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:45,842 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:45,842 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-04-12 19:27:45,847 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 [2018-04-12 19:27:45,848 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:27:45,849 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:45,850 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:45,856 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 [2018-04-12 19:27:45,858 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 [2018-04-12 19:27:45,858 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:45,859 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:45,863 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:45,864 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:33, output treesize:22 [2018-04-12 19:27:45,875 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 [2018-04-12 19:27:45,876 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 [2018-04-12 19:27:45,876 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:45,877 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:45,879 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:45,879 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:23, output treesize:12 [2018-04-12 19:27:45,909 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 20 [2018-04-12 19:27:45,910 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 8 treesize of output 7 [2018-04-12 19:27:45,910 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:45,913 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:45,916 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:45,916 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:23, output treesize:7 [2018-04-12 19:27:45,922 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 [2018-04-12 19:27:45,923 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:27:45,923 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:45,924 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:45,924 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:45,924 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2018-04-12 19:27:45,927 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:27:45,944 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:27:45,944 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 12 [2018-04-12 19:27:45,945 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-12 19:27:45,945 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-12 19:27:45,945 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-04-12 19:27:45,945 INFO L87 Difference]: Start difference. First operand 192 states and 202 transitions. Second operand 13 states. [2018-04-12 19:27:46,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:27:46,232 INFO L93 Difference]: Finished difference Result 317 states and 328 transitions. [2018-04-12 19:27:46,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-12 19:27:46,232 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 56 [2018-04-12 19:27:46,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:27:46,233 INFO L225 Difference]: With dead ends: 317 [2018-04-12 19:27:46,233 INFO L226 Difference]: Without dead ends: 317 [2018-04-12 19:27:46,233 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 51 SyntacticMatches, 6 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=130, Invalid=422, Unknown=0, NotChecked=0, Total=552 [2018-04-12 19:27:46,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2018-04-12 19:27:46,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 240. [2018-04-12 19:27:46,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2018-04-12 19:27:46,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 261 transitions. [2018-04-12 19:27:46,236 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 261 transitions. Word has length 56 [2018-04-12 19:27:46,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:27:46,236 INFO L459 AbstractCegarLoop]: Abstraction has 240 states and 261 transitions. [2018-04-12 19:27:46,236 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-12 19:27:46,236 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 261 transitions. [2018-04-12 19:27:46,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-04-12 19:27:46,236 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:27:46,236 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, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:27:46,236 INFO L408 AbstractCegarLoop]: === Iteration 35 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:27:46,236 INFO L82 PathProgramCache]: Analyzing trace with hash -897959236, now seen corresponding path program 1 times [2018-04-12 19:27:46,236 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:27:46,237 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:27:46,237 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:46,237 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:27:46,237 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:27:46,241 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:27:46,268 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 19:27:46,268 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:27:46,268 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-12 19:27:46,269 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 19:27:46,269 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 19:27:46,269 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-04-12 19:27:46,269 INFO L87 Difference]: Start difference. First operand 240 states and 261 transitions. Second operand 8 states. [2018-04-12 19:27:46,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:27:46,419 INFO L93 Difference]: Finished difference Result 307 states and 328 transitions. [2018-04-12 19:27:46,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 19:27:46,420 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2018-04-12 19:27:46,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:27:46,420 INFO L225 Difference]: With dead ends: 307 [2018-04-12 19:27:46,420 INFO L226 Difference]: Without dead ends: 307 [2018-04-12 19:27:46,421 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2018-04-12 19:27:46,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2018-04-12 19:27:46,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 284. [2018-04-12 19:27:46,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2018-04-12 19:27:46,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 311 transitions. [2018-04-12 19:27:46,423 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 311 transitions. Word has length 57 [2018-04-12 19:27:46,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:27:46,424 INFO L459 AbstractCegarLoop]: Abstraction has 284 states and 311 transitions. [2018-04-12 19:27:46,424 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 19:27:46,424 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 311 transitions. [2018-04-12 19:27:46,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-04-12 19:27:46,424 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:27:46,424 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, 1, 1, 1, 1, 1, 1] [2018-04-12 19:27:46,424 INFO L408 AbstractCegarLoop]: === Iteration 36 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:27:46,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1607295740, now seen corresponding path program 1 times [2018-04-12 19:27:46,424 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:27:46,424 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:27:46,425 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:46,425 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:27:46,425 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:46,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:27:46,429 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:27:46,613 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:27:46,613 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:27:46,613 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:27:46,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:27:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:27:46,644 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:27:46,649 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:46,649 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:46,649 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-04-12 19:27:46,650 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:46,652 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:46,652 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2018-04-12 19:27:46,655 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 [2018-04-12 19:27:46,656 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 8 treesize of output 7 [2018-04-12 19:27:46,656 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:46,657 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:46,660 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:46,660 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:15 [2018-04-12 19:27:46,682 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 24 [2018-04-12 19:27:46,683 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:27:46,683 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:46,685 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:46,687 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:46,687 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:28, output treesize:8 [2018-04-12 19:27:46,725 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 19 [2018-04-12 19:27:46,726 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 [2018-04-12 19:27:46,726 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:46,728 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:46,730 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:46,730 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:10 [2018-04-12 19:27:46,738 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:46,738 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 [2018-04-12 19:27:46,739 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:46,741 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. [2018-04-12 19:27:46,741 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:11 [2018-04-12 19:27:46,757 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:27:46,774 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:27:46,774 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15] total 20 [2018-04-12 19:27:46,774 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-12 19:27:46,774 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-12 19:27:46,774 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2018-04-12 19:27:46,775 INFO L87 Difference]: Start difference. First operand 284 states and 311 transitions. Second operand 21 states. [2018-04-12 19:27:47,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:27:47,347 INFO L93 Difference]: Finished difference Result 347 states and 363 transitions. [2018-04-12 19:27:47,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-04-12 19:27:47,347 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 57 [2018-04-12 19:27:47,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:27:47,348 INFO L225 Difference]: With dead ends: 347 [2018-04-12 19:27:47,348 INFO L226 Difference]: Without dead ends: 347 [2018-04-12 19:27:47,348 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 45 SyntacticMatches, 11 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=210, Invalid=1050, Unknown=0, NotChecked=0, Total=1260 [2018-04-12 19:27:47,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2018-04-12 19:27:47,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 291. [2018-04-12 19:27:47,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2018-04-12 19:27:47,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 319 transitions. [2018-04-12 19:27:47,353 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 319 transitions. Word has length 57 [2018-04-12 19:27:47,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:27:47,353 INFO L459 AbstractCegarLoop]: Abstraction has 291 states and 319 transitions. [2018-04-12 19:27:47,353 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-12 19:27:47,353 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 319 transitions. [2018-04-12 19:27:47,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-04-12 19:27:47,354 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:27:47,354 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, 1, 1, 1, 1, 1, 1] [2018-04-12 19:27:47,354 INFO L408 AbstractCegarLoop]: === Iteration 37 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:27:47,354 INFO L82 PathProgramCache]: Analyzing trace with hash -1607295739, now seen corresponding path program 1 times [2018-04-12 19:27:47,354 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:27:47,355 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:27:47,356 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:47,356 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:27:47,356 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:47,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:27:47,364 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:27:47,545 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:27:47,546 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:27:47,546 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:27:47,561 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:27:47,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:27:47,586 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:27:47,668 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 19 [2018-04-12 19:27:47,670 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 11 [2018-04-12 19:27:47,670 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:47,671 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:47,676 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 28 treesize of output 22 [2018-04-12 19:27:47,679 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 13 [2018-04-12 19:27:47,679 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:47,681 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:47,684 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:47,684 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:39, output treesize:13 [2018-04-12 19:27:47,726 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 19:27:47,744 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:27:47,744 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 8] total 22 [2018-04-12 19:27:47,744 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-12 19:27:47,745 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-12 19:27:47,745 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2018-04-12 19:27:47,745 INFO L87 Difference]: Start difference. First operand 291 states and 319 transitions. Second operand 23 states. [2018-04-12 19:27:48,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:27:48,846 INFO L93 Difference]: Finished difference Result 422 states and 432 transitions. [2018-04-12 19:27:48,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-04-12 19:27:48,847 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 57 [2018-04-12 19:27:48,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:27:48,847 INFO L225 Difference]: With dead ends: 422 [2018-04-12 19:27:48,848 INFO L226 Difference]: Without dead ends: 422 [2018-04-12 19:27:48,848 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 56 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 875 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=503, Invalid=3279, Unknown=0, NotChecked=0, Total=3782 [2018-04-12 19:27:48,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2018-04-12 19:27:48,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 304. [2018-04-12 19:27:48,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2018-04-12 19:27:48,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 332 transitions. [2018-04-12 19:27:48,852 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 332 transitions. Word has length 57 [2018-04-12 19:27:48,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:27:48,852 INFO L459 AbstractCegarLoop]: Abstraction has 304 states and 332 transitions. [2018-04-12 19:27:48,852 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-12 19:27:48,852 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 332 transitions. [2018-04-12 19:27:48,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-04-12 19:27:48,853 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:27:48,853 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:27:48,853 INFO L408 AbstractCegarLoop]: === Iteration 38 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:27:48,853 INFO L82 PathProgramCache]: Analyzing trace with hash 966643807, now seen corresponding path program 1 times [2018-04-12 19:27:48,853 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:27:48,853 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:27:48,854 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:48,854 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:27:48,854 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:48,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:27:48,861 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:27:48,960 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:27:48,961 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:27:48,961 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:27:48,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:27:48,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:27:48,986 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:27:49,021 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:49,022 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:49,022 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-12 19:27:49,023 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:49,030 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:49,030 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-04-12 19:27:49,044 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 [2018-04-12 19:27:49,045 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 [2018-04-12 19:27:49,045 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:49,046 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:49,049 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:49,049 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2018-04-12 19:27:49,084 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 28 treesize of output 24 [2018-04-12 19:27:49,085 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:27:49,085 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:49,087 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:49,089 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:49,089 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:31, output treesize:12 [2018-04-12 19:27:49,128 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 [2018-04-12 19:27:49,131 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 13 [2018-04-12 19:27:49,132 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 19:27:49,134 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 19:27:49,137 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-12 19:27:49,137 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:24, output treesize:27 [2018-04-12 19:27:49,157 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:49,158 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 19 treesize of output 24 [2018-04-12 19:27:49,158 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:49,168 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:49,171 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 19 treesize of output 22 [2018-04-12 19:27:49,172 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 19:27:49,183 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 3 xjuncts. [2018-04-12 19:27:49,183 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:39, output treesize:46 [2018-04-12 19:27:49,234 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:27:49,255 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:27:49,255 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16] total 29 [2018-04-12 19:27:49,255 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-12 19:27:49,255 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-12 19:27:49,255 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=764, Unknown=0, NotChecked=0, Total=870 [2018-04-12 19:27:49,256 INFO L87 Difference]: Start difference. First operand 304 states and 332 transitions. Second operand 30 states. [2018-04-12 19:27:50,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:27:50,077 INFO L93 Difference]: Finished difference Result 363 states and 383 transitions. [2018-04-12 19:27:50,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-12 19:27:50,077 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 61 [2018-04-12 19:27:50,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:27:50,078 INFO L225 Difference]: With dead ends: 363 [2018-04-12 19:27:50,078 INFO L226 Difference]: Without dead ends: 363 [2018-04-12 19:27:50,079 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 719 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=565, Invalid=2405, Unknown=0, NotChecked=0, Total=2970 [2018-04-12 19:27:50,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2018-04-12 19:27:50,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 310. [2018-04-12 19:27:50,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2018-04-12 19:27:50,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 339 transitions. [2018-04-12 19:27:50,082 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 339 transitions. Word has length 61 [2018-04-12 19:27:50,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:27:50,082 INFO L459 AbstractCegarLoop]: Abstraction has 310 states and 339 transitions. [2018-04-12 19:27:50,082 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-12 19:27:50,082 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 339 transitions. [2018-04-12 19:27:50,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-04-12 19:27:50,082 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:27:50,083 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, 1, 1] [2018-04-12 19:27:50,083 INFO L408 AbstractCegarLoop]: === Iteration 39 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:27:50,083 INFO L82 PathProgramCache]: Analyzing trace with hash -602090043, now seen corresponding path program 1 times [2018-04-12 19:27:50,083 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:27:50,083 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:27:50,083 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:50,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:27:50,084 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:27:50,088 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:27:50,222 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:27:50,222 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:27:50,222 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:27:50,228 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:27:50,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:27:50,248 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:27:50,263 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:50,264 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:50,264 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-04-12 19:27:50,265 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:50,268 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:50,268 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-04-12 19:27:50,274 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 [2018-04-12 19:27:50,275 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 [2018-04-12 19:27:50,275 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:50,276 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:50,283 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 [2018-04-12 19:27:50,284 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:27:50,285 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:50,286 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:50,290 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:50,291 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:33, output treesize:22 [2018-04-12 19:27:50,303 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 [2018-04-12 19:27:50,305 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-12 19:27:50,305 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:50,306 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:50,308 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:50,308 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:23, output treesize:12 [2018-04-12 19:27:50,321 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 20 [2018-04-12 19:27:50,322 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:27:50,322 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:50,325 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:50,328 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:50,328 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:23, output treesize:7 [2018-04-12 19:27:50,336 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 [2018-04-12 19:27:50,337 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 11 treesize of output 3 [2018-04-12 19:27:50,337 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:50,337 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:50,338 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:50,338 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2018-04-12 19:27:50,361 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:27:50,379 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:27:50,379 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 14 [2018-04-12 19:27:50,379 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-12 19:27:50,379 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-12 19:27:50,379 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2018-04-12 19:27:50,380 INFO L87 Difference]: Start difference. First operand 310 states and 339 transitions. Second operand 15 states. [2018-04-12 19:27:50,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:27:50,768 INFO L93 Difference]: Finished difference Result 374 states and 393 transitions. [2018-04-12 19:27:50,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-12 19:27:50,768 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 61 [2018-04-12 19:27:50,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:27:50,769 INFO L225 Difference]: With dead ends: 374 [2018-04-12 19:27:50,769 INFO L226 Difference]: Without dead ends: 374 [2018-04-12 19:27:50,769 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 53 SyntacticMatches, 9 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=152, Invalid=660, Unknown=0, NotChecked=0, Total=812 [2018-04-12 19:27:50,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2018-04-12 19:27:50,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 313. [2018-04-12 19:27:50,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2018-04-12 19:27:50,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 344 transitions. [2018-04-12 19:27:50,773 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 344 transitions. Word has length 61 [2018-04-12 19:27:50,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:27:50,774 INFO L459 AbstractCegarLoop]: Abstraction has 313 states and 344 transitions. [2018-04-12 19:27:50,774 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-12 19:27:50,774 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 344 transitions. [2018-04-12 19:27:50,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-04-12 19:27:50,774 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:27:50,775 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-04-12 19:27:50,775 INFO L408 AbstractCegarLoop]: === Iteration 40 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:27:50,775 INFO L82 PathProgramCache]: Analyzing trace with hash 561654640, now seen corresponding path program 4 times [2018-04-12 19:27:50,775 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:27:50,775 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:27:50,776 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:50,776 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:27:50,776 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:50,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:27:50,783 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:27:51,208 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 19:27:51,208 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:27:51,208 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:27:51,214 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-04-12 19:27:51,229 INFO L242 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-04-12 19:27:51,229 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 19:27:51,231 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:27:51,256 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:51,256 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:51,257 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-12 19:27:51,257 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:51,259 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:51,259 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2018-04-12 19:27:51,281 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 [2018-04-12 19:27:51,282 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 [2018-04-12 19:27:51,282 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:51,283 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:51,289 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 [2018-04-12 19:27:51,290 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:27:51,290 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:51,291 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:51,295 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:51,295 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:33, output treesize:15 [2018-04-12 19:27:51,337 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 6 treesize of output 5 [2018-04-12 19:27:51,337 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:51,342 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:51,342 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:31 [2018-04-12 19:27:51,361 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:51,364 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 28 [2018-04-12 19:27:51,365 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 11 [2018-04-12 19:27:51,365 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:51,369 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:51,379 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 35 [2018-04-12 19:27:51,380 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 12 treesize of output 15 [2018-04-12 19:27:51,380 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:51,384 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:51,390 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:51,390 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:53, output treesize:47 [2018-04-12 19:27:51,434 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 37 treesize of output 22 [2018-04-12 19:27:51,435 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 22 treesize of output 21 [2018-04-12 19:27:51,435 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:51,436 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:51,443 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. [2018-04-12 19:27:51,443 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:112, output treesize:96 [2018-04-12 19:27:51,509 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 95 treesize of output 79 [2018-04-12 19:27:51,511 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 56 [2018-04-12 19:27:51,511 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:51,518 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:27:51,518 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:51,523 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:51,529 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. [2018-04-12 19:27:51,529 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:110, output treesize:64 [2018-04-12 19:27:51,607 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 65 treesize of output 44 [2018-04-12 19:27:51,609 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 [2018-04-12 19:27:51,609 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:51,623 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 33 treesize of output 22 [2018-04-12 19:27:51,623 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:51,627 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:51,631 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. [2018-04-12 19:27:51,631 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:68, output treesize:25 [2018-04-12 19:27:51,686 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 20 treesize of output 7 [2018-04-12 19:27:51,686 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:51,689 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. [2018-04-12 19:27:51,689 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:32, output treesize:19 [2018-04-12 19:27:51,716 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 [2018-04-12 19:27:51,723 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 12 [2018-04-12 19:27:51,723 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 19:27:51,725 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 19:27:51,729 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-12 19:27:51,729 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:28, output treesize:21 [2018-04-12 19:27:51,771 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:27:51,787 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:27:51,788 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 20] total 42 [2018-04-12 19:27:51,788 INFO L442 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-04-12 19:27:51,788 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-04-12 19:27:51,788 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=1585, Unknown=0, NotChecked=0, Total=1722 [2018-04-12 19:27:51,788 INFO L87 Difference]: Start difference. First operand 313 states and 344 transitions. Second operand 42 states. [2018-04-12 19:27:53,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:27:53,755 INFO L93 Difference]: Finished difference Result 323 states and 339 transitions. [2018-04-12 19:27:53,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-12 19:27:53,755 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 62 [2018-04-12 19:27:53,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:27:53,756 INFO L225 Difference]: With dead ends: 323 [2018-04-12 19:27:53,756 INFO L226 Difference]: Without dead ends: 318 [2018-04-12 19:27:53,757 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1036 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=554, Invalid=3736, Unknown=0, NotChecked=0, Total=4290 [2018-04-12 19:27:53,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2018-04-12 19:27:53,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 277. [2018-04-12 19:27:53,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2018-04-12 19:27:53,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 299 transitions. [2018-04-12 19:27:53,759 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 299 transitions. Word has length 62 [2018-04-12 19:27:53,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:27:53,759 INFO L459 AbstractCegarLoop]: Abstraction has 277 states and 299 transitions. [2018-04-12 19:27:53,759 INFO L460 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-04-12 19:27:53,760 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 299 transitions. [2018-04-12 19:27:53,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-04-12 19:27:53,760 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:27:53,760 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:27:53,760 INFO L408 AbstractCegarLoop]: === Iteration 41 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:27:53,760 INFO L82 PathProgramCache]: Analyzing trace with hash -469807128, now seen corresponding path program 1 times [2018-04-12 19:27:53,760 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:27:53,760 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:27:53,761 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:53,761 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 19:27:53,761 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:53,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:27:53,771 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:27:54,058 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:27:54,058 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:27:54,058 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:27:54,064 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:27:54,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:27:54,087 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:27:54,124 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 [2018-04-12 19:27:54,125 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 8 treesize of output 7 [2018-04-12 19:27:54,125 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:54,127 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:54,129 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:54,130 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:17, output treesize:13 [2018-04-12 19:27:54,155 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:54,156 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:54,156 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-04-12 19:27:54,156 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:54,160 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:54,160 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:15 [2018-04-12 19:27:54,176 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 [2018-04-12 19:27:54,179 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 8 treesize of output 7 [2018-04-12 19:27:54,179 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:54,180 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:54,186 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:54,186 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:31, output treesize:24 [2018-04-12 19:27:54,250 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:54,252 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 26 [2018-04-12 19:27:54,253 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:27:54,253 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:54,256 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:54,260 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. [2018-04-12 19:27:54,260 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:41, output treesize:41 [2018-04-12 19:27:54,283 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:54,285 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 48 [2018-04-12 19:27:54,287 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 30 treesize of output 13 [2018-04-12 19:27:54,287 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:54,291 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:54,296 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. [2018-04-12 19:27:54,297 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:54, output treesize:41 [2018-04-12 19:27:54,318 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:54,318 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:54,319 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 [2018-04-12 19:27:54,319 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:54,324 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. [2018-04-12 19:27:54,324 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:46, output treesize:40 [2018-04-12 19:27:54,342 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:54,345 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 40 treesize of output 41 [2018-04-12 19:27:54,346 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:27:54,346 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:54,350 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:54,356 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. [2018-04-12 19:27:54,356 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:51, output treesize:44 [2018-04-12 19:27:54,375 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 45 treesize of output 34 [2018-04-12 19:27:54,376 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 [2018-04-12 19:27:54,377 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:54,380 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 18 treesize of output 14 [2018-04-12 19:27:54,380 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:27:54,383 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:27:54,386 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. [2018-04-12 19:27:54,386 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:52, output treesize:25 [2018-04-12 19:27:54,414 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 50 [2018-04-12 19:27:54,416 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:54,421 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 45 [2018-04-12 19:27:54,421 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 19:27:54,443 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 26 [2018-04-12 19:27:54,443 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:54,454 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 19:27:54,466 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 2 xjuncts. [2018-04-12 19:27:54,466 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:38, output treesize:56 [2018-04-12 19:27:54,522 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 26 treesize of output 24 [2018-04-12 19:27:54,526 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 [2018-04-12 19:27:54,526 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 19:27:54,531 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:27:54,531 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:54,533 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 19:27:54,542 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-12 19:27:54,542 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:30, output treesize:10 [2018-04-12 19:27:54,596 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:27:54,613 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:27:54,613 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 21] total 35 [2018-04-12 19:27:54,614 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-04-12 19:27:54,614 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-04-12 19:27:54,614 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=1057, Unknown=0, NotChecked=0, Total=1190 [2018-04-12 19:27:54,614 INFO L87 Difference]: Start difference. First operand 277 states and 299 transitions. Second operand 35 states. [2018-04-12 19:27:55,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:27:55,465 INFO L93 Difference]: Finished difference Result 257 states and 270 transitions. [2018-04-12 19:27:55,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-12 19:27:55,465 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 64 [2018-04-12 19:27:55,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:27:55,466 INFO L225 Difference]: With dead ends: 257 [2018-04-12 19:27:55,466 INFO L226 Difference]: Without dead ends: 257 [2018-04-12 19:27:55,467 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 48 SyntacticMatches, 4 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 679 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=484, Invalid=2486, Unknown=0, NotChecked=0, Total=2970 [2018-04-12 19:27:55,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2018-04-12 19:27:55,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 240. [2018-04-12 19:27:55,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2018-04-12 19:27:55,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 258 transitions. [2018-04-12 19:27:55,469 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 258 transitions. Word has length 64 [2018-04-12 19:27:55,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:27:55,469 INFO L459 AbstractCegarLoop]: Abstraction has 240 states and 258 transitions. [2018-04-12 19:27:55,469 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-04-12 19:27:55,469 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 258 transitions. [2018-04-12 19:27:55,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-04-12 19:27:55,469 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:27:55,469 INFO L355 BasicCegarLoop]: trace histogram [3, 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] [2018-04-12 19:27:55,469 INFO L408 AbstractCegarLoop]: === Iteration 42 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:27:55,470 INFO L82 PathProgramCache]: Analyzing trace with hash -1560445908, now seen corresponding path program 5 times [2018-04-12 19:27:55,470 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:27:55,470 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:27:55,470 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:55,470 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:27:55,470 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:55,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:27:55,477 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:27:55,685 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:27:55,685 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:27:55,685 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:27:55,690 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-04-12 19:27:55,709 INFO L242 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2018-04-12 19:27:55,710 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 19:27:55,712 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:27:55,716 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:55,716 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:55,716 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-12 19:27:55,717 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:55,722 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:55,722 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-04-12 19:27:55,743 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 [2018-04-12 19:27:55,744 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 8 treesize of output 7 [2018-04-12 19:27:55,744 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:55,745 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:55,753 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 [2018-04-12 19:27:55,754 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 [2018-04-12 19:27:55,754 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:55,755 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:55,761 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:55,761 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:43, output treesize:36 [2018-04-12 19:27:55,831 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:55,831 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:55,832 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:55,832 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 [2018-04-12 19:27:55,832 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:55,837 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:55,837 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:42 [2018-04-12 19:27:55,861 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:55,863 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 35 treesize of output 36 [2018-04-12 19:27:55,865 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:27:55,865 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:55,870 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:55,880 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 26 treesize of output 31 [2018-04-12 19:27:55,882 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 12 treesize of output 11 [2018-04-12 19:27:55,882 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:55,887 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:55,896 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:55,897 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:67, output treesize:49 [2018-04-12 19:27:55,989 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 42 treesize of output 43 [2018-04-12 19:27:55,991 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:27:55,991 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:55,995 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:56,011 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 71 [2018-04-12 19:27:56,012 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:27:56,012 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:56,018 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:56,027 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:27:56,028 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:121, output treesize:67 [2018-04-12 19:27:56,089 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 [2018-04-12 19:27:56,090 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-12 19:27:56,090 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:56,093 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:56,100 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. [2018-04-12 19:27:56,100 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:81, output treesize:66 [2018-04-12 19:27:56,169 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 61 treesize of output 38 [2018-04-12 19:27:56,171 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:27:56,171 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2018-04-12 19:27:56,171 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:56,184 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-12 19:27:56,185 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:56,187 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:56,190 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:56,190 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:67, output treesize:5 [2018-04-12 19:27:56,204 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:27:56,221 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:27:56,222 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 17] total 33 [2018-04-12 19:27:56,222 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-12 19:27:56,222 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-12 19:27:56,222 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=1022, Unknown=0, NotChecked=0, Total=1122 [2018-04-12 19:27:56,222 INFO L87 Difference]: Start difference. First operand 240 states and 258 transitions. Second operand 34 states. [2018-04-12 19:27:57,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:27:57,877 INFO L93 Difference]: Finished difference Result 332 states and 354 transitions. [2018-04-12 19:27:57,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-12 19:27:57,877 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 64 [2018-04-12 19:27:57,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:27:57,878 INFO L225 Difference]: With dead ends: 332 [2018-04-12 19:27:57,878 INFO L226 Difference]: Without dead ends: 332 [2018-04-12 19:27:57,879 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 53 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 676 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=355, Invalid=2725, Unknown=0, NotChecked=0, Total=3080 [2018-04-12 19:27:57,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2018-04-12 19:27:57,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 248. [2018-04-12 19:27:57,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2018-04-12 19:27:57,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 267 transitions. [2018-04-12 19:27:57,881 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 267 transitions. Word has length 64 [2018-04-12 19:27:57,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:27:57,881 INFO L459 AbstractCegarLoop]: Abstraction has 248 states and 267 transitions. [2018-04-12 19:27:57,881 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-12 19:27:57,881 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 267 transitions. [2018-04-12 19:27:57,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-04-12 19:27:57,881 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:27:57,881 INFO L355 BasicCegarLoop]: trace histogram [3, 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] [2018-04-12 19:27:57,881 INFO L408 AbstractCegarLoop]: === Iteration 43 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:27:57,881 INFO L82 PathProgramCache]: Analyzing trace with hash -1560445907, now seen corresponding path program 4 times [2018-04-12 19:27:57,882 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:27:57,882 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:27:57,882 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:57,882 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 19:27:57,882 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:27:57,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:27:57,889 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:27:58,225 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:27:58,225 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:27:58,226 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:27:58,231 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-04-12 19:27:58,249 INFO L242 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-04-12 19:27:58,250 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 19:27:58,252 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:27:58,257 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:58,258 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:58,258 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 [2018-04-12 19:27:58,258 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:58,264 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:58,264 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:21 [2018-04-12 19:27:58,285 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 [2018-04-12 19:27:58,286 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:27:58,287 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:58,288 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:58,296 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 [2018-04-12 19:27:58,297 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 [2018-04-12 19:27:58,298 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:58,299 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:58,305 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:58,305 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:43, output treesize:29 [2018-04-12 19:27:58,349 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:58,349 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:58,350 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:58,350 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 42 [2018-04-12 19:27:58,350 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:58,359 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:58,359 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:49 [2018-04-12 19:27:58,387 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 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 [2018-04-12 19:27:58,388 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:27:58,388 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:58,391 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:58,404 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 43 treesize of output 44 [2018-04-12 19:27:58,405 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 11 [2018-04-12 19:27:58,405 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:58,410 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:58,420 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:58,420 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:68, output treesize:85 [2018-04-12 19:27:58,540 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:58,541 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:58,542 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:58,542 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:27:58,542 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 [2018-04-12 19:27:58,543 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:58,554 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 29 [2018-04-12 19:27:58,554 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:58,564 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:58,564 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:127 [2018-04-12 19:27:58,604 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 157 treesize of output 153 [2018-04-12 19:27:58,606 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:27:58,606 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:58,616 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:58,637 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 157 treesize of output 128 [2018-04-12 19:27:58,638 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 19 [2018-04-12 19:27:58,639 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:58,649 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:58,664 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. [2018-04-12 19:27:58,664 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:185, output treesize:179 [2018-04-12 19:27:58,834 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 206 treesize of output 115 [2018-04-12 19:27:58,836 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 43 [2018-04-12 19:27:58,836 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:27:58,849 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-12 19:27:58,849 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:27:58,859 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 53 treesize of output 20 [2018-04-12 19:27:58,860 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:58,868 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-12 19:27:58,879 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 23 treesize of output 19 [2018-04-12 19:27:58,881 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 11 [2018-04-12 19:27:58,881 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:27:58,885 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 11 treesize of output 3 [2018-04-12 19:27:58,885 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 19:27:58,886 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:27:58,894 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. [2018-04-12 19:27:58,894 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 5 variables, input treesize:209, output treesize:18 [2018-04-12 19:27:58,970 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:27:58,987 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:27:58,988 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 19] total 36 [2018-04-12 19:27:58,988 INFO L442 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-04-12 19:27:58,988 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-04-12 19:27:58,988 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=1228, Unknown=0, NotChecked=0, Total=1332 [2018-04-12 19:27:58,988 INFO L87 Difference]: Start difference. First operand 248 states and 267 transitions. Second operand 37 states. [2018-04-12 19:28:01,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:28:01,885 INFO L93 Difference]: Finished difference Result 365 states and 386 transitions. [2018-04-12 19:28:01,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-12 19:28:01,885 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 64 [2018-04-12 19:28:01,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:28:01,886 INFO L225 Difference]: With dead ends: 365 [2018-04-12 19:28:01,886 INFO L226 Difference]: Without dead ends: 365 [2018-04-12 19:28:01,887 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 50 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 735 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=371, Invalid=3289, Unknown=0, NotChecked=0, Total=3660 [2018-04-12 19:28:01,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2018-04-12 19:28:01,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 249. [2018-04-12 19:28:01,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2018-04-12 19:28:01,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 268 transitions. [2018-04-12 19:28:01,890 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 268 transitions. Word has length 64 [2018-04-12 19:28:01,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:28:01,890 INFO L459 AbstractCegarLoop]: Abstraction has 249 states and 268 transitions. [2018-04-12 19:28:01,890 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-04-12 19:28:01,890 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 268 transitions. [2018-04-12 19:28:01,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-04-12 19:28:01,891 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:28:01,891 INFO L355 BasicCegarLoop]: trace histogram [3, 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] [2018-04-12 19:28:01,891 INFO L408 AbstractCegarLoop]: === Iteration 44 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:28:01,891 INFO L82 PathProgramCache]: Analyzing trace with hash 857251945, now seen corresponding path program 2 times [2018-04-12 19:28:01,891 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:28:01,891 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:28:01,892 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:28:01,892 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 19:28:01,892 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:28:01,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:28:01,901 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:28:02,092 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:28:02,092 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:28:02,092 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:28:02,097 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 19:28:02,131 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 19:28:02,131 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 19:28:02,133 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:28:02,195 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:02,195 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:02,196 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 [2018-04-12 19:28:02,196 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:02,202 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:02,202 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-04-12 19:28:02,230 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 [2018-04-12 19:28:02,232 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 [2018-04-12 19:28:02,232 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:02,233 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:02,244 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 [2018-04-12 19:28:02,245 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:28:02,246 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:02,247 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:02,255 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:02,256 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:46, output treesize:32 [2018-04-12 19:28:02,331 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:02,332 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:02,332 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:02,333 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 [2018-04-12 19:28:02,333 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:02,338 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:02,338 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:38 [2018-04-12 19:28:02,363 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:02,365 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 35 treesize of output 36 [2018-04-12 19:28:02,367 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 11 [2018-04-12 19:28:02,367 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:02,371 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:02,381 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 30 treesize of output 35 [2018-04-12 19:28:02,382 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:28:02,382 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:02,385 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:02,392 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:02,392 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:60, output treesize:50 [2018-04-12 19:28:02,477 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 132 treesize of output 103 [2018-04-12 19:28:02,478 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:28:02,478 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:02,485 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:02,496 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 108 treesize of output 96 [2018-04-12 19:28:02,498 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 20 treesize of output 19 [2018-04-12 19:28:02,498 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:02,503 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:02,510 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:02,510 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:135, output treesize:65 [2018-04-12 19:28:02,561 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 61 treesize of output 53 [2018-04-12 19:28:02,562 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:02,562 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 53 treesize of output 45 [2018-04-12 19:28:02,563 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:02,578 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:02,584 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. [2018-04-12 19:28:02,584 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:82, output treesize:63 [2018-04-12 19:28:02,652 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:02,653 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:02,654 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 61 treesize of output 51 [2018-04-12 19:28:02,656 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:02,656 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 14 [2018-04-12 19:28:02,656 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:02,660 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 [2018-04-12 19:28:02,660 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:02,662 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:02,665 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:02,665 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:67, output treesize:5 [2018-04-12 19:28:02,686 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:28:02,704 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:28:02,704 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 36 [2018-04-12 19:28:02,704 INFO L442 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-04-12 19:28:02,704 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-04-12 19:28:02,704 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=1205, Unknown=0, NotChecked=0, Total=1332 [2018-04-12 19:28:02,705 INFO L87 Difference]: Start difference. First operand 249 states and 268 transitions. Second operand 37 states. [2018-04-12 19:28:04,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:28:04,169 INFO L93 Difference]: Finished difference Result 347 states and 370 transitions. [2018-04-12 19:28:04,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-12 19:28:04,169 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 64 [2018-04-12 19:28:04,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:28:04,170 INFO L225 Difference]: With dead ends: 347 [2018-04-12 19:28:04,170 INFO L226 Difference]: Without dead ends: 347 [2018-04-12 19:28:04,171 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1083 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=620, Invalid=3802, Unknown=0, NotChecked=0, Total=4422 [2018-04-12 19:28:04,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2018-04-12 19:28:04,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 257. [2018-04-12 19:28:04,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2018-04-12 19:28:04,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 277 transitions. [2018-04-12 19:28:04,173 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 277 transitions. Word has length 64 [2018-04-12 19:28:04,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:28:04,174 INFO L459 AbstractCegarLoop]: Abstraction has 257 states and 277 transitions. [2018-04-12 19:28:04,174 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-04-12 19:28:04,174 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 277 transitions. [2018-04-12 19:28:04,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-04-12 19:28:04,174 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:28:04,175 INFO L355 BasicCegarLoop]: trace histogram [3, 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] [2018-04-12 19:28:04,175 INFO L408 AbstractCegarLoop]: === Iteration 45 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:28:04,175 INFO L82 PathProgramCache]: Analyzing trace with hash 857251946, now seen corresponding path program 2 times [2018-04-12 19:28:04,175 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:28:04,175 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:28:04,176 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:28:04,176 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 19:28:04,176 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:28:04,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:28:04,184 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:28:04,447 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:28:04,448 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:28:04,448 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:28:04,453 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 19:28:04,476 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 19:28:04,477 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 19:28:04,479 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:28:04,532 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:04,533 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:04,533 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 [2018-04-12 19:28:04,534 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:04,544 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:04,544 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2018-04-12 19:28:04,568 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 [2018-04-12 19:28:04,570 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:28:04,570 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:04,571 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:04,579 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 [2018-04-12 19:28:04,580 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 8 treesize of output 7 [2018-04-12 19:28:04,580 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:04,581 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:04,587 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:04,587 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:46, output treesize:39 [2018-04-12 19:28:04,658 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 13 treesize of output 14 [2018-04-12 19:28:04,659 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 14 treesize of output 13 [2018-04-12 19:28:04,659 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:04,660 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:04,666 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:04,667 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:60, output treesize:60 [2018-04-12 19:28:04,697 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:04,698 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:04,698 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:04,699 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 46 [2018-04-12 19:28:04,699 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:04,710 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:04,710 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:71, output treesize:77 [2018-04-12 19:28:04,749 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:04,751 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:04,751 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 57 treesize of output 67 [2018-04-12 19:28:04,753 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 18 treesize of output 20 [2018-04-12 19:28:04,753 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:04,760 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:04,775 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:04,777 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 37 treesize of output 42 [2018-04-12 19:28:04,779 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 12 treesize of output 15 [2018-04-12 19:28:04,779 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:04,784 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:04,795 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:04,795 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:102, output treesize:93 [2018-04-12 19:28:04,904 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:04,907 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 48 [2018-04-12 19:28:04,908 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:28:04,908 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:04,912 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:04,922 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:04,922 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:123, output treesize:131 [2018-04-12 19:28:04,967 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:04,968 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 52 treesize of output 78 [2018-04-12 19:28:04,970 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 38 treesize of output 21 [2018-04-12 19:28:04,970 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:04,974 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:04,986 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:04,986 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:149, output treesize:131 [2018-04-12 19:28:05,029 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:05,029 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:05,030 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:05,031 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:05,031 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:05,031 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 [2018-04-12 19:28:05,032 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:05,052 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:05,052 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:136, output treesize:128 [2018-04-12 19:28:05,094 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:05,096 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 124 treesize of output 125 [2018-04-12 19:28:05,098 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:28:05,098 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:05,109 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:05,125 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:05,126 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:05,128 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:05,130 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 109 treesize of output 125 [2018-04-12 19:28:05,132 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-04-12 19:28:05,132 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:05,143 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:05,156 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:05,156 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:150, output treesize:128 [2018-04-12 19:28:05,247 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 84 treesize of output 141 [2018-04-12 19:28:05,249 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:28:05,249 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:05,255 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:05,267 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. [2018-04-12 19:28:05,267 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:206, output treesize:186 [2018-04-12 19:28:05,369 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:05,369 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:05,371 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 5 new quantified variables, introduced 0 case distinctions, treesize of input 183 treesize of output 119 [2018-04-12 19:28:05,376 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 54 treesize of output 44 [2018-04-12 19:28:05,377 INFO L267 ElimStorePlain]: Start of recursive call 3: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-12 19:28:05,395 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 43 [2018-04-12 19:28:05,396 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:05,397 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 49 [2018-04-12 19:28:05,397 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:05,418 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:05,419 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 59 [2018-04-12 19:28:05,419 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:05,421 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:05,425 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 2 case distinctions, treesize of input 75 treesize of output 71 [2018-04-12 19:28:05,425 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-04-12 19:28:05,452 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2018-04-12 19:28:05,478 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 [2018-04-12 19:28:05,480 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:05,480 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 16 [2018-04-12 19:28:05,480 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:05,490 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:05,491 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 [2018-04-12 19:28:05,493 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:05,493 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 0 case distinctions, treesize of input 22 treesize of output 16 [2018-04-12 19:28:05,493 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:05,503 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:05,528 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 8 dim-0 vars, and 2 xjuncts. [2018-04-12 19:28:05,528 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 6 variables, input treesize:203, output treesize:87 [2018-04-12 19:28:05,622 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 33 treesize of output 37 [2018-04-12 19:28:05,623 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:28:05,623 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:05,628 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:28:05,628 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:05,631 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 7 treesize of output 1 [2018-04-12 19:28:05,631 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:05,632 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:05,635 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:05,635 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:45, output treesize:3 [2018-04-12 19:28:05,675 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:28:05,693 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:28:05,693 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 25] total 45 [2018-04-12 19:28:05,693 INFO L442 AbstractCegarLoop]: Interpolant automaton has 45 states [2018-04-12 19:28:05,693 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2018-04-12 19:28:05,693 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=1810, Unknown=0, NotChecked=0, Total=1980 [2018-04-12 19:28:05,694 INFO L87 Difference]: Start difference. First operand 257 states and 277 transitions. Second operand 45 states. [2018-04-12 19:28:08,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:28:08,571 INFO L93 Difference]: Finished difference Result 357 states and 377 transitions. [2018-04-12 19:28:08,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-12 19:28:08,571 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 64 [2018-04-12 19:28:08,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:28:08,572 INFO L225 Difference]: With dead ends: 357 [2018-04-12 19:28:08,572 INFO L226 Difference]: Without dead ends: 357 [2018-04-12 19:28:08,573 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1197 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=669, Invalid=5031, Unknown=0, NotChecked=0, Total=5700 [2018-04-12 19:28:08,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2018-04-12 19:28:08,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 249. [2018-04-12 19:28:08,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2018-04-12 19:28:08,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 267 transitions. [2018-04-12 19:28:08,575 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 267 transitions. Word has length 64 [2018-04-12 19:28:08,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:28:08,575 INFO L459 AbstractCegarLoop]: Abstraction has 249 states and 267 transitions. [2018-04-12 19:28:08,575 INFO L460 AbstractCegarLoop]: Interpolant automaton has 45 states. [2018-04-12 19:28:08,575 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 267 transitions. [2018-04-12 19:28:08,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-12 19:28:08,575 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:28:08,575 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, 1, 1] [2018-04-12 19:28:08,576 INFO L408 AbstractCegarLoop]: === Iteration 46 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:28:08,576 INFO L82 PathProgramCache]: Analyzing trace with hash -1095742760, now seen corresponding path program 1 times [2018-04-12 19:28:08,576 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:28:08,576 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:28:08,576 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:28:08,576 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 19:28:08,576 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:28:08,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:28:08,581 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:28:08,746 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:28:08,747 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:28:08,747 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:28:08,752 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:28:08,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:28:08,768 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:28:08,829 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 19 [2018-04-12 19:28:08,830 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 11 [2018-04-12 19:28:08,831 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:08,832 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:08,836 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 28 treesize of output 22 [2018-04-12 19:28:08,837 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 13 [2018-04-12 19:28:08,838 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:08,840 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:08,842 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:08,842 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:39, output treesize:13 [2018-04-12 19:28:08,872 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 19:28:08,890 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:28:08,890 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 8] total 25 [2018-04-12 19:28:08,890 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-12 19:28:08,890 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-12 19:28:08,891 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=580, Unknown=0, NotChecked=0, Total=650 [2018-04-12 19:28:08,891 INFO L87 Difference]: Start difference. First operand 249 states and 267 transitions. Second operand 26 states. [2018-04-12 19:28:10,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:28:10,025 INFO L93 Difference]: Finished difference Result 337 states and 345 transitions. [2018-04-12 19:28:10,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-04-12 19:28:10,057 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 66 [2018-04-12 19:28:10,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:28:10,058 INFO L225 Difference]: With dead ends: 337 [2018-04-12 19:28:10,058 INFO L226 Difference]: Without dead ends: 337 [2018-04-12 19:28:10,058 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 816 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=491, Invalid=3291, Unknown=0, NotChecked=0, Total=3782 [2018-04-12 19:28:10,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2018-04-12 19:28:10,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 243. [2018-04-12 19:28:10,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2018-04-12 19:28:10,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 258 transitions. [2018-04-12 19:28:10,060 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 258 transitions. Word has length 66 [2018-04-12 19:28:10,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:28:10,060 INFO L459 AbstractCegarLoop]: Abstraction has 243 states and 258 transitions. [2018-04-12 19:28:10,060 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-12 19:28:10,060 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 258 transitions. [2018-04-12 19:28:10,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-12 19:28:10,060 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:28:10,061 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-04-12 19:28:10,061 INFO L408 AbstractCegarLoop]: === Iteration 47 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:28:10,061 INFO L82 PathProgramCache]: Analyzing trace with hash 1542283312, now seen corresponding path program 6 times [2018-04-12 19:28:10,061 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:28:10,061 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:28:10,061 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:28:10,061 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:28:10,061 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:28:10,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:28:10,067 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:28:10,322 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:28:10,322 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:28:10,322 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:28:10,327 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-04-12 19:28:10,364 INFO L242 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2018-04-12 19:28:10,364 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 19:28:10,367 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:28:10,372 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:10,373 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:10,373 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-04-12 19:28:10,373 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:10,377 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:10,377 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-04-12 19:28:10,382 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-12 19:28:10,384 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 [2018-04-12 19:28:10,384 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:10,385 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:10,390 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:10,391 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:30, output treesize:23 [2018-04-12 19:28:10,409 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:10,410 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:10,410 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 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 [2018-04-12 19:28:10,410 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:10,414 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:10,414 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:19 [2018-04-12 19:28:10,418 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 19 treesize of output 20 [2018-04-12 19:28:10,419 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:28:10,419 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:10,423 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:10,428 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:10,429 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:35, output treesize:28 [2018-04-12 19:28:10,498 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 15 [2018-04-12 19:28:10,499 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:10,506 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. [2018-04-12 19:28:10,506 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:53, output treesize:52 [2018-04-12 19:28:10,536 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 [2018-04-12 19:28:10,538 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:28:10,538 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:10,540 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:10,551 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:10,564 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 67 treesize of output 74 [2018-04-12 19:28:10,566 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 75 [2018-04-12 19:28:10,566 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:10,598 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 43 treesize of output 46 [2018-04-12 19:28:10,598 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-04-12 19:28:10,617 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 19:28:10,633 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. [2018-04-12 19:28:10,633 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:71, output treesize:101 [2018-04-12 19:28:10,768 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 76 treesize of output 75 [2018-04-12 19:28:10,768 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:10,793 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 104 treesize of output 103 [2018-04-12 19:28:10,793 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:10,815 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. [2018-04-12 19:28:10,815 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:181, output treesize:179 [2018-04-12 19:28:10,887 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 3 case distinctions, treesize of input 127 treesize of output 181 [2018-04-12 19:28:10,889 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 160 treesize of output 171 [2018-04-12 19:28:10,890 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:10,929 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:10,989 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 6 new quantified variables, introduced 10 case distinctions, treesize of input 142 treesize of output 142 [2018-04-12 19:28:10,989 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-04-12 19:28:10,999 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:11,510 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:11,828 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 139 treesize of output 150 [2018-04-12 19:28:11,828 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:12,316 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:12,549 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:12,782 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 95 treesize of output 91 [2018-04-12 19:28:12,783 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 19:28:13,019 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:13,483 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:13,484 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 0 case distinctions, treesize of input 124 treesize of output 108 [2018-04-12 19:28:13,484 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:13,955 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 128 treesize of output 153 [2018-04-12 19:28:13,956 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2018-04-12 19:28:14,176 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 4 case distinctions, treesize of input 80 treesize of output 79 [2018-04-12 19:28:14,177 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 4 xjuncts. [2018-04-12 19:28:14,770 INFO L267 ElimStorePlain]: Start of recursive call 4: 15 dim-1 vars, End of recursive call: 6 dim-0 vars, and 10 xjuncts. [2018-04-12 19:28:15,012 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 3 case distinctions, treesize of input 94 treesize of output 132 [2018-04-12 19:28:15,014 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 115 treesize of output 122 [2018-04-12 19:28:15,014 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:15,067 INFO L267 ElimStorePlain]: Start of recursive call 15: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:15,299 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 106 treesize of output 114 [2018-04-12 19:28:15,303 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 115 treesize of output 122 [2018-04-12 19:28:15,303 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:15,410 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:15,411 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 0 case distinctions, treesize of input 90 treesize of output 76 [2018-04-12 19:28:15,411 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:15,559 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:15,634 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 79 treesize of output 96 [2018-04-12 19:28:15,634 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 2 xjuncts. [2018-04-12 19:28:15,695 INFO L267 ElimStorePlain]: Start of recursive call 17: 5 dim-1 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-04-12 19:28:15,973 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 4 dim-2 vars, End of recursive call: 33 dim-0 vars, and 14 xjuncts. [2018-04-12 19:28:15,973 INFO L202 ElimStorePlain]: Needed 21 recursive calls to eliminate 9 variables, input treesize:227, output treesize:1390 [2018-04-12 19:28:16,261 WARN L151 SmtUtils]: Spent 130ms on a formula simplification. DAG size of input: 334 DAG size of output 128 [2018-04-12 19:28:16,265 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 117 treesize of output 77 [2018-04-12 19:28:16,267 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 21 [2018-04-12 19:28:16,267 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:16,273 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:16,322 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 88 treesize of output 82 [2018-04-12 19:28:16,323 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:28:16,323 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:16,332 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:28:16,332 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:16,339 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:16,386 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 64 treesize of output 60 [2018-04-12 19:28:16,387 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 18 treesize of output 9 [2018-04-12 19:28:16,387 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:16,397 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 5 treesize of output 3 [2018-04-12 19:28:16,397 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:16,402 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:16,441 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 64 treesize of output 46 [2018-04-12 19:28:16,442 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 26 treesize of output 17 [2018-04-12 19:28:16,442 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:16,446 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:16,486 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 1 case distinctions, treesize of input 129 treesize of output 113 [2018-04-12 19:28:16,488 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 100 [2018-04-12 19:28:16,488 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:16,508 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 71 [2018-04-12 19:28:16,508 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:16,524 INFO L267 ElimStorePlain]: Start of recursive call 12: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:16,558 INFO L267 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 5 dim-2 vars, End of recursive call: 8 dim-0 vars, and 5 xjuncts. [2018-04-12 19:28:16,558 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 15 variables, input treesize:463, output treesize:261 [2018-04-12 19:28:16,763 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 44 treesize of output 37 [2018-04-12 19:28:16,764 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:16,764 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 [2018-04-12 19:28:16,765 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:16,770 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 5 [2018-04-12 19:28:16,770 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:16,774 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:16,817 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 5 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 63 [2018-04-12 19:28:16,821 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 1 case distinctions, treesize of input 45 treesize of output 47 [2018-04-12 19:28:16,822 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-12 19:28:16,846 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:16,847 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 37 [2018-04-12 19:28:16,847 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:16,848 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:16,848 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 34 treesize of output 28 [2018-04-12 19:28:16,848 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:16,874 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:16,875 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 45 [2018-04-12 19:28:16,875 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:16,903 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 40 [2018-04-12 19:28:16,903 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:16,932 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 34 [2018-04-12 19:28:16,933 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:16,951 INFO L267 ElimStorePlain]: Start of recursive call 5: 5 dim-1 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2018-04-12 19:28:17,030 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 7 new quantified variables, introduced 4 case distinctions, treesize of input 81 treesize of output 92 [2018-04-12 19:28:17,036 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 [2018-04-12 19:28:17,036 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:17,389 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 36 [2018-04-12 19:28:17,390 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:17,614 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 67 [2018-04-12 19:28:17,615 INFO L267 ElimStorePlain]: Start of recursive call 15: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2018-04-12 19:28:17,868 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:17,869 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 36 treesize of output 28 [2018-04-12 19:28:17,869 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:18,121 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 54 treesize of output 50 [2018-04-12 19:28:18,121 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:18,394 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:18,395 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:18,395 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 50 treesize of output 40 [2018-04-12 19:28:18,395 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:18,639 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:18,640 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 46 [2018-04-12 19:28:18,640 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:18,875 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:18,875 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 49 [2018-04-12 19:28:18,875 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:18,876 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:18,877 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 45 [2018-04-12 19:28:18,877 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:18,878 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:18,878 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 36 [2018-04-12 19:28:18,878 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:19,106 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 75 treesize of output 73 [2018-04-12 19:28:19,107 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:19,334 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 50 [2018-04-12 19:28:19,334 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:19,562 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:19,573 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 4 case distinctions, treesize of input 46 treesize of output 52 [2018-04-12 19:28:19,574 INFO L267 ElimStorePlain]: Start of recursive call 25: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-12 19:28:19,869 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:19,869 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:19,875 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 46 treesize of output 52 [2018-04-12 19:28:19,876 INFO L267 ElimStorePlain]: Start of recursive call 26: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2018-04-12 19:28:20,079 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 63 [2018-04-12 19:28:20,080 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:20,287 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 1 case distinctions, treesize of input 53 treesize of output 53 [2018-04-12 19:28:20,288 INFO L267 ElimStorePlain]: Start of recursive call 28: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-12 19:28:20,505 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 67 treesize of output 61 [2018-04-12 19:28:20,506 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:20,731 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:20,731 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 32 [2018-04-12 19:28:20,731 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:20,733 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:20,733 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 41 [2018-04-12 19:28:20,733 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:20,935 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 67 [2018-04-12 19:28:20,935 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:21,134 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 45 [2018-04-12 19:28:21,135 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:21,321 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:21,321 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 51 [2018-04-12 19:28:21,321 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:21,518 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:21,526 INFO L477 Elim1Store]: Elim1 did not use 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 2 new quantified variables, introduced 5 case distinctions, treesize of input 38 treesize of output 52 [2018-04-12 19:28:21,528 INFO L267 ElimStorePlain]: Start of recursive call 35: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 8 xjuncts. [2018-04-12 19:28:21,610 INFO L267 ElimStorePlain]: Start of recursive call 12: 34 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:21,658 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 53 treesize of output 42 [2018-04-12 19:28:21,659 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2018-04-12 19:28:21,659 INFO L267 ElimStorePlain]: Start of recursive call 37: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:21,665 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:21,665 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 9 [2018-04-12 19:28:21,665 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:21,670 INFO L267 ElimStorePlain]: Start of recursive call 36: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:21,719 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 63 [2018-04-12 19:28:21,721 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:21,721 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 47 [2018-04-12 19:28:21,721 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:21,739 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 41 [2018-04-12 19:28:21,739 INFO L267 ElimStorePlain]: Start of recursive call 41: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:21,756 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:21,757 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 37 treesize of output 33 [2018-04-12 19:28:21,757 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:21,773 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 44 treesize of output 38 [2018-04-12 19:28:21,774 INFO L267 ElimStorePlain]: Start of recursive call 43: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:21,790 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 38 treesize of output 34 [2018-04-12 19:28:21,791 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:21,805 INFO L267 ElimStorePlain]: Start of recursive call 39: 5 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-12 19:28:21,855 INFO L267 ElimStorePlain]: Start of recursive call 1: 16 dim-0 vars, 5 dim-2 vars, End of recursive call: 12 dim-0 vars, and 8 xjuncts. [2018-04-12 19:28:21,856 INFO L202 ElimStorePlain]: Needed 44 recursive calls to eliminate 21 variables, input treesize:337, output treesize:124 [2018-04-12 19:28:21,903 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:28:21,920 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:28:21,920 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 23] total 35 [2018-04-12 19:28:21,921 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-04-12 19:28:21,921 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-04-12 19:28:21,921 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=1101, Unknown=2, NotChecked=0, Total=1260 [2018-04-12 19:28:21,921 INFO L87 Difference]: Start difference. First operand 243 states and 258 transitions. Second operand 36 states. [2018-04-12 19:28:23,665 WARN L151 SmtUtils]: Spent 141ms on a formula simplification. DAG size of input: 191 DAG size of output 139 [2018-04-12 19:28:23,941 WARN L151 SmtUtils]: Spent 112ms on a formula simplification. DAG size of input: 146 DAG size of output 90 [2018-04-12 19:28:24,276 WARN L151 SmtUtils]: Spent 116ms on a formula simplification. DAG size of input: 149 DAG size of output 93 [2018-04-12 19:28:25,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:28:25,281 INFO L93 Difference]: Finished difference Result 412 states and 436 transitions. [2018-04-12 19:28:25,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-04-12 19:28:25,281 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 66 [2018-04-12 19:28:25,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:28:25,282 INFO L225 Difference]: With dead ends: 412 [2018-04-12 19:28:25,282 INFO L226 Difference]: Without dead ends: 412 [2018-04-12 19:28:25,283 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 52 SyntacticMatches, 6 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1612 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=944, Invalid=4902, Unknown=6, NotChecked=0, Total=5852 [2018-04-12 19:28:25,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2018-04-12 19:28:25,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 274. [2018-04-12 19:28:25,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2018-04-12 19:28:25,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 292 transitions. [2018-04-12 19:28:25,285 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 292 transitions. Word has length 66 [2018-04-12 19:28:25,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:28:25,285 INFO L459 AbstractCegarLoop]: Abstraction has 274 states and 292 transitions. [2018-04-12 19:28:25,285 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-04-12 19:28:25,285 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 292 transitions. [2018-04-12 19:28:25,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-12 19:28:25,286 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:28:25,286 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-04-12 19:28:25,286 INFO L408 AbstractCegarLoop]: === Iteration 48 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:28:25,286 INFO L82 PathProgramCache]: Analyzing trace with hash 1542283313, now seen corresponding path program 5 times [2018-04-12 19:28:25,286 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:28:25,286 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:28:25,287 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:28:25,287 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 19:28:25,287 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:28:25,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:28:25,294 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:28:25,617 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:28:25,618 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:28:25,618 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:28:25,623 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-04-12 19:28:25,646 INFO L242 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2018-04-12 19:28:25,646 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 19:28:25,648 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:28:25,680 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:25,681 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:25,681 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 [2018-04-12 19:28:25,681 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:25,689 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 [2018-04-12 19:28:25,689 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:25,694 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:25,694 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:29 [2018-04-12 19:28:25,715 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 [2018-04-12 19:28:25,716 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:28:25,716 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:25,717 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:25,726 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 [2018-04-12 19:28:25,727 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:28:25,727 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:25,728 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:25,735 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:25,735 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:48, output treesize:45 [2018-04-12 19:28:25,795 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:25,796 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:25,796 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:25,797 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 46 [2018-04-12 19:28:25,797 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:25,808 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 23 [2018-04-12 19:28:25,809 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:25,818 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:25,818 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:63, output treesize:68 [2018-04-12 19:28:25,846 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:25,848 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 53 treesize of output 54 [2018-04-12 19:28:25,850 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 [2018-04-12 19:28:25,850 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:25,856 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:25,872 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 19 treesize of output 24 [2018-04-12 19:28:25,873 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 12 treesize of output 11 [2018-04-12 19:28:25,873 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:25,876 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:25,888 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:25,888 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:95, output treesize:76 [2018-04-12 19:28:25,976 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:25,977 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:26,005 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:26,006 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:26,006 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 [2018-04-12 19:28:26,006 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:26,027 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 29 treesize of output 64 [2018-04-12 19:28:26,027 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:26,038 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. [2018-04-12 19:28:26,039 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:115, output treesize:106 [2018-04-12 19:28:26,071 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:26,072 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:26,077 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 101 treesize of output 97 [2018-04-12 19:28:26,078 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2018-04-12 19:28:26,079 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:26,090 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:26,106 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:26,108 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 19 treesize of output 28 [2018-04-12 19:28:26,110 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:28:26,110 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:26,113 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:26,126 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. [2018-04-12 19:28:26,126 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:128, output treesize:122 [2018-04-12 19:28:26,222 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 46 treesize of output 105 [2018-04-12 19:28:26,223 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:26,234 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. [2018-04-12 19:28:26,234 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:164, output treesize:163 [2018-04-12 19:28:26,277 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 206 treesize of output 136 [2018-04-12 19:28:26,279 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:28:26,279 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:26,292 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:26,311 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 43 treesize of output 44 [2018-04-12 19:28:26,312 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:28:26,313 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:26,316 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:26,330 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 1 xjuncts. [2018-04-12 19:28:26,330 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 7 variables, input treesize:218, output treesize:164 [2018-04-12 19:28:26,499 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 [2018-04-12 19:28:26,500 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 [2018-04-12 19:28:26,500 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:26,502 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:26,515 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. [2018-04-12 19:28:26,515 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:183, output treesize:168 [2018-04-12 19:28:26,562 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 164 treesize of output 86 [2018-04-12 19:28:26,564 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 35 treesize of output 22 [2018-04-12 19:28:26,564 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:26,574 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 28 treesize of output 20 [2018-04-12 19:28:26,574 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:26,584 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 5 [2018-04-12 19:28:26,584 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:26,593 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 [2018-04-12 19:28:26,594 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:26,602 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:26,614 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 15 treesize of output 11 [2018-04-12 19:28:26,615 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 11 treesize of output 3 [2018-04-12 19:28:26,615 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:26,616 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:26,625 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 1 xjuncts. [2018-04-12 19:28:26,625 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:178, output treesize:36 [2018-04-12 19:28:26,723 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:28:26,741 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:28:26,741 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 23] total 46 [2018-04-12 19:28:26,741 INFO L442 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-04-12 19:28:26,741 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-04-12 19:28:26,742 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=1952, Unknown=0, NotChecked=0, Total=2162 [2018-04-12 19:28:26,742 INFO L87 Difference]: Start difference. First operand 274 states and 292 transitions. Second operand 47 states. [2018-04-12 19:28:30,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:28:30,583 INFO L93 Difference]: Finished difference Result 554 states and 584 transitions. [2018-04-12 19:28:30,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-04-12 19:28:30,584 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 66 [2018-04-12 19:28:30,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:28:30,585 INFO L225 Difference]: With dead ends: 554 [2018-04-12 19:28:30,585 INFO L226 Difference]: Without dead ends: 554 [2018-04-12 19:28:30,586 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3172 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=1548, Invalid=8550, Unknown=2, NotChecked=0, Total=10100 [2018-04-12 19:28:30,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2018-04-12 19:28:30,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 297. [2018-04-12 19:28:30,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2018-04-12 19:28:30,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 317 transitions. [2018-04-12 19:28:30,592 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 317 transitions. Word has length 66 [2018-04-12 19:28:30,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:28:30,592 INFO L459 AbstractCegarLoop]: Abstraction has 297 states and 317 transitions. [2018-04-12 19:28:30,592 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-04-12 19:28:30,592 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 317 transitions. [2018-04-12 19:28:30,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-12 19:28:30,592 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:28:30,592 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-04-12 19:28:30,592 INFO L408 AbstractCegarLoop]: === Iteration 49 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:28:30,593 INFO L82 PathProgramCache]: Analyzing trace with hash -334986131, now seen corresponding path program 3 times [2018-04-12 19:28:30,593 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:28:30,593 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:28:30,593 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:28:30,593 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 19:28:30,593 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:28:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:28:30,600 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:28:30,790 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:28:30,790 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:28:30,790 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:28:30,795 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-04-12 19:28:30,824 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-04-12 19:28:30,824 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 19:28:30,826 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:28:30,835 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:30,835 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:30,836 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 [2018-04-12 19:28:30,836 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:30,839 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:30,839 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-04-12 19:28:30,845 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 [2018-04-12 19:28:30,846 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 [2018-04-12 19:28:30,846 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:30,847 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:30,852 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:30,852 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2018-04-12 19:28:30,916 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:30,918 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 28 [2018-04-12 19:28:30,919 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 8 treesize of output 7 [2018-04-12 19:28:30,919 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:30,923 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:30,930 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-12 19:28:30,931 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 12 treesize of output 11 [2018-04-12 19:28:30,931 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:30,932 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:30,937 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:30,937 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:46, output treesize:31 [2018-04-12 19:28:31,008 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 15 [2018-04-12 19:28:31,008 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:31,015 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. [2018-04-12 19:28:31,016 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:63, output treesize:62 [2018-04-12 19:28:31,066 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 84 [2018-04-12 19:28:31,070 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 71 treesize of output 78 [2018-04-12 19:28:31,070 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:31,149 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:31,149 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 0 case distinctions, treesize of input 52 treesize of output 44 [2018-04-12 19:28:31,150 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:31,241 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:31,291 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 56 treesize of output 77 [2018-04-12 19:28:31,292 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-04-12 19:28:31,331 INFO L267 ElimStorePlain]: Start of recursive call 2: 5 dim-1 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-04-12 19:28:31,370 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 80 treesize of output 57 [2018-04-12 19:28:31,372 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 25 [2018-04-12 19:28:31,372 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:31,378 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:31,381 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 52 treesize of output 53 [2018-04-12 19:28:31,382 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:28:31,382 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:31,389 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:31,399 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 3 case distinctions, treesize of input 77 treesize of output 109 [2018-04-12 19:28:31,405 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 79 treesize of output 88 [2018-04-12 19:28:31,406 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 2 xjuncts. [2018-04-12 19:28:31,442 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 82 treesize of output 89 [2018-04-12 19:28:31,442 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:31,463 INFO L267 ElimStorePlain]: Start of recursive call 11: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 19:28:31,466 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 78 treesize of output 87 [2018-04-12 19:28:31,467 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 12 treesize of output 19 [2018-04-12 19:28:31,468 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:31,477 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:31,521 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 4 xjuncts. [2018-04-12 19:28:31,521 INFO L202 ElimStorePlain]: Needed 15 recursive calls to eliminate 5 variables, input treesize:84, output treesize:297 [2018-04-12 19:28:31,618 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 67 treesize of output 55 [2018-04-12 19:28:31,619 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:28:31,619 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:31,624 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:31,655 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 1 case distinctions, treesize of input 126 treesize of output 96 [2018-04-12 19:28:31,657 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 92 treesize of output 84 [2018-04-12 19:28:31,657 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:31,676 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 81 treesize of output 72 [2018-04-12 19:28:31,676 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:31,696 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 67 [2018-04-12 19:28:31,697 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-04-12 19:28:31,708 INFO L267 ElimStorePlain]: Start of recursive call 4: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:31,732 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 77 treesize of output 67 [2018-04-12 19:28:31,734 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-12 19:28:31,734 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:31,742 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:28:31,742 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:31,748 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:31,766 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-2 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2018-04-12 19:28:31,766 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 6 variables, input treesize:271, output treesize:144 [2018-04-12 19:28:31,886 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 62 treesize of output 61 [2018-04-12 19:28:31,887 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:31,915 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 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 44 [2018-04-12 19:28:31,915 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:31,942 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 54 treesize of output 53 [2018-04-12 19:28:31,943 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:31,967 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2018-04-12 19:28:31,967 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:162, output treesize:159 [2018-04-12 19:28:32,047 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 59 treesize of output 83 [2018-04-12 19:28:32,052 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 68 treesize of output 67 [2018-04-12 19:28:32,052 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:32,111 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:32,112 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 53 treesize of output 49 [2018-04-12 19:28:32,113 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:32,151 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 48 treesize of output 53 [2018-04-12 19:28:32,151 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-12 19:28:32,182 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-12 19:28:32,260 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 87 [2018-04-12 19:28:32,266 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:32,267 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 0 case distinctions, treesize of input 64 treesize of output 49 [2018-04-12 19:28:32,267 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:32,376 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:32,376 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 0 case distinctions, treesize of input 56 treesize of output 50 [2018-04-12 19:28:32,377 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:32,423 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 68 [2018-04-12 19:28:32,423 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:32,451 INFO L267 ElimStorePlain]: Start of recursive call 6: 4 dim-1 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-04-12 19:28:32,538 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 7 new quantified variables, introduced 11 case distinctions, treesize of input 84 treesize of output 109 [2018-04-12 19:28:32,538 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-04-12 19:28:32,546 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:32,830 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:32,831 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 96 treesize of output 91 [2018-04-12 19:28:32,831 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:33,103 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 2 case distinctions, treesize of input 57 treesize of output 69 [2018-04-12 19:28:33,103 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 19:28:33,495 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 68 [2018-04-12 19:28:33,495 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:33,675 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:33,680 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 58 treesize of output 62 [2018-04-12 19:28:33,680 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 2 xjuncts. [2018-04-12 19:28:33,748 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:33,856 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:33,857 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 93 [2018-04-12 19:28:33,858 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:33,911 INFO L267 ElimStorePlain]: Start of recursive call 10: 12 dim-1 vars, End of recursive call: 2 dim-0 vars, and 5 xjuncts. [2018-04-12 19:28:34,000 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 3 dim-2 vars, End of recursive call: 13 dim-0 vars, and 8 xjuncts. [2018-04-12 19:28:34,000 INFO L202 ElimStorePlain]: Needed 17 recursive calls to eliminate 8 variables, input treesize:233, output treesize:481 [2018-04-12 19:28:34,227 WARN L151 SmtUtils]: Spent 143ms on a formula simplification. DAG size of input: 143 DAG size of output 89 [2018-04-12 19:28:34,362 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 5 case distinctions, treesize of input 75 treesize of output 100 [2018-04-12 19:28:34,370 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 79 [2018-04-12 19:28:34,371 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:34,663 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:34,663 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 58 treesize of output 52 [2018-04-12 19:28:34,663 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:34,885 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 56 [2018-04-12 19:28:34,885 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:35,112 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:35,112 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:35,112 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 46 [2018-04-12 19:28:35,113 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:35,336 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 73 [2018-04-12 19:28:35,337 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-12 19:28:35,597 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:35,598 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 58 [2018-04-12 19:28:35,598 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:35,841 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 59 [2018-04-12 19:28:35,841 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:35,842 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 53 treesize of output 49 [2018-04-12 19:28:35,843 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:36,074 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:36,075 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:36,154 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 31 treesize of output 31 [2018-04-12 19:28:36,154 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:36,299 INFO L267 ElimStorePlain]: Start of recursive call 2: 34 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:36,344 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 5 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 66 [2018-04-12 19:28:36,346 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 54 treesize of output 50 [2018-04-12 19:28:36,346 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:36,364 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 36 [2018-04-12 19:28:36,364 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:36,382 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:36,382 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 32 [2018-04-12 19:28:36,383 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:36,412 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:36,413 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 0 case distinctions, treesize of input 48 treesize of output 44 [2018-04-12 19:28:36,413 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:36,429 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 0 case distinctions, treesize of input 41 treesize of output 37 [2018-04-12 19:28:36,429 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:36,444 INFO L267 ElimStorePlain]: Start of recursive call 12: 5 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-12 19:28:36,494 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 5 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 63 [2018-04-12 19:28:36,496 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 53 treesize of output 51 [2018-04-12 19:28:36,496 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:36,514 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 45 [2018-04-12 19:28:36,514 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:36,531 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:36,532 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 39 [2018-04-12 19:28:36,532 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:36,548 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:36,549 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 37 [2018-04-12 19:28:36,549 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:36,566 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 35 [2018-04-12 19:28:36,567 INFO L267 ElimStorePlain]: Start of recursive call 23: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-12 19:28:36,586 INFO L267 ElimStorePlain]: Start of recursive call 18: 5 dim-1 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2018-04-12 19:28:36,645 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 44 treesize of output 37 [2018-04-12 19:28:36,646 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 5 [2018-04-12 19:28:36,647 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:36,652 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:36,653 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-04-12 19:28:36,653 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:36,656 INFO L267 ElimStorePlain]: Start of recursive call 24: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:36,713 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 53 treesize of output 42 [2018-04-12 19:28:36,714 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2018-04-12 19:28:36,714 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:36,721 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:36,721 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 9 [2018-04-12 19:28:36,721 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:36,726 INFO L267 ElimStorePlain]: Start of recursive call 27: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:36,777 INFO L267 ElimStorePlain]: Start of recursive call 1: 16 dim-0 vars, 5 dim-2 vars, End of recursive call: 12 dim-0 vars, and 8 xjuncts. [2018-04-12 19:28:36,777 INFO L202 ElimStorePlain]: Needed 29 recursive calls to eliminate 21 variables, input treesize:337, output treesize:124 [2018-04-12 19:28:36,824 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:28:36,842 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:28:36,842 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 36 [2018-04-12 19:28:36,843 INFO L442 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-04-12 19:28:36,843 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-04-12 19:28:36,843 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=1183, Unknown=0, NotChecked=0, Total=1332 [2018-04-12 19:28:36,843 INFO L87 Difference]: Start difference. First operand 297 states and 317 transitions. Second operand 37 states. [2018-04-12 19:28:37,871 WARN L151 SmtUtils]: Spent 111ms on a formula simplification. DAG size of input: 206 DAG size of output 85 [2018-04-12 19:28:38,230 WARN L151 SmtUtils]: Spent 304ms on a formula simplification. DAG size of input: 112 DAG size of output 108 [2018-04-12 19:28:38,693 WARN L151 SmtUtils]: Spent 231ms on a formula simplification. DAG size of input: 115 DAG size of output 104 [2018-04-12 19:28:39,349 WARN L151 SmtUtils]: Spent 530ms on a formula simplification. DAG size of input: 157 DAG size of output 154 [2018-04-12 19:28:39,573 WARN L151 SmtUtils]: Spent 111ms on a formula simplification. DAG size of input: 149 DAG size of output 96 [2018-04-12 19:28:39,900 WARN L151 SmtUtils]: Spent 124ms on a formula simplification. DAG size of input: 152 DAG size of output 99 [2018-04-12 19:28:40,063 WARN L151 SmtUtils]: Spent 111ms on a formula simplification. DAG size of input: 92 DAG size of output 92 [2018-04-12 19:28:40,242 WARN L151 SmtUtils]: Spent 131ms on a formula simplification. DAG size of input: 95 DAG size of output 95 [2018-04-12 19:28:40,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:28:40,920 INFO L93 Difference]: Finished difference Result 461 states and 488 transitions. [2018-04-12 19:28:40,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-04-12 19:28:40,921 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 66 [2018-04-12 19:28:40,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:28:40,921 INFO L225 Difference]: With dead ends: 461 [2018-04-12 19:28:40,922 INFO L226 Difference]: Without dead ends: 461 [2018-04-12 19:28:40,922 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 49 SyntacticMatches, 4 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1314 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=798, Invalid=4313, Unknown=1, NotChecked=0, Total=5112 [2018-04-12 19:28:40,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2018-04-12 19:28:40,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 305. [2018-04-12 19:28:40,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2018-04-12 19:28:40,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 326 transitions. [2018-04-12 19:28:40,924 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 326 transitions. Word has length 66 [2018-04-12 19:28:40,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:28:40,924 INFO L459 AbstractCegarLoop]: Abstraction has 305 states and 326 transitions. [2018-04-12 19:28:40,924 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-04-12 19:28:40,924 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 326 transitions. [2018-04-12 19:28:40,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-12 19:28:40,925 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:28:40,925 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-04-12 19:28:40,925 INFO L408 AbstractCegarLoop]: === Iteration 50 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:28:40,925 INFO L82 PathProgramCache]: Analyzing trace with hash -334986130, now seen corresponding path program 3 times [2018-04-12 19:28:40,925 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:28:40,925 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:28:40,926 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:28:40,926 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 19:28:40,926 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:28:40,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:28:40,932 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:28:41,221 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:28:41,222 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:28:41,254 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:28:41,259 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-04-12 19:28:41,296 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-04-12 19:28:41,296 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 19:28:41,298 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:28:41,301 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 [2018-04-12 19:28:41,302 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:28:41,302 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:41,303 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:41,305 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:41,305 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2018-04-12 19:28:41,339 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:41,340 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:41,340 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-04-12 19:28:41,340 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:41,343 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:41,344 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:20 [2018-04-12 19:28:41,361 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 11 treesize of output 8 [2018-04-12 19:28:41,362 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 [2018-04-12 19:28:41,362 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:41,363 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:41,368 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:41,369 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:29 [2018-04-12 19:28:41,443 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:41,445 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 28 [2018-04-12 19:28:41,446 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:28:41,446 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:41,449 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:41,455 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. [2018-04-12 19:28:41,455 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:46, output treesize:46 [2018-04-12 19:28:41,486 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:41,486 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:41,487 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 [2018-04-12 19:28:41,487 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:41,495 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. [2018-04-12 19:28:41,495 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:57, output treesize:55 [2018-04-12 19:28:41,529 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:41,531 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 40 treesize of output 41 [2018-04-12 19:28:41,532 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 [2018-04-12 19:28:41,532 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:41,544 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:41,553 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. [2018-04-12 19:28:41,553 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:66, output treesize:63 [2018-04-12 19:28:41,657 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:41,668 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 92 [2018-04-12 19:28:41,670 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 68 [2018-04-12 19:28:41,670 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:41,685 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:41,694 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. [2018-04-12 19:28:41,694 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:88, output treesize:92 [2018-04-12 19:28:41,736 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:41,736 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:41,737 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:41,737 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 24 treesize of output 29 [2018-04-12 19:28:41,737 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:41,747 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. [2018-04-12 19:28:41,747 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:97, output treesize:90 [2018-04-12 19:28:41,784 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:41,795 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 3 case distinctions, treesize of input 85 treesize of output 86 [2018-04-12 19:28:41,796 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 93 [2018-04-12 19:28:41,797 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:41,828 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 59 treesize of output 60 [2018-04-12 19:28:41,828 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-12 19:28:41,846 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 19:28:41,865 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. [2018-04-12 19:28:41,865 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:101, output treesize:144 [2018-04-12 19:28:41,924 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 5 new quantified variables, introduced 1 case distinctions, treesize of input 118 treesize of output 84 [2018-04-12 19:28:41,927 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 66 treesize of output 55 [2018-04-12 19:28:41,928 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:41,956 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 74 treesize of output 66 [2018-04-12 19:28:41,957 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:41,979 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 66 treesize of output 57 [2018-04-12 19:28:41,979 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:42,000 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 51 [2018-04-12 19:28:42,000 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:42,021 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 57 treesize of output 51 [2018-04-12 19:28:42,022 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:42,042 INFO L267 ElimStorePlain]: Start of recursive call 2: 5 dim-1 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2018-04-12 19:28:42,071 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 73 treesize of output 54 [2018-04-12 19:28:42,073 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-12 19:28:42,073 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:42,080 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 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 [2018-04-12 19:28:42,080 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:42,085 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:42,111 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 10 dim-0 vars, and 3 xjuncts. [2018-04-12 19:28:42,111 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 7 variables, input treesize:192, output treesize:137 [2018-04-12 19:28:42,217 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 32 treesize of output 41 [2018-04-12 19:28:42,218 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:28:42,219 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:42,223 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:42,229 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. [2018-04-12 19:28:42,229 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:47, output treesize:43 [2018-04-12 19:28:42,267 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 5 treesize of output 1 [2018-04-12 19:28:42,267 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:42,278 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:42,280 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 41 treesize of output 56 [2018-04-12 19:28:42,281 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 26 treesize of output 9 [2018-04-12 19:28:42,281 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:42,286 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:42,293 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. [2018-04-12 19:28:42,293 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:61, output treesize:43 [2018-04-12 19:28:42,370 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 [2018-04-12 19:28:42,372 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 8 treesize of output 7 [2018-04-12 19:28:42,372 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:42,373 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:42,381 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. [2018-04-12 19:28:42,381 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:54, output treesize:50 [2018-04-12 19:28:42,422 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 15 treesize of output 11 [2018-04-12 19:28:42,423 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-12 19:28:42,424 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:42,425 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:42,432 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. [2018-04-12 19:28:42,432 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:57, output treesize:46 [2018-04-12 19:28:42,478 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:42,498 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 4 new quantified variables, introduced 9 case distinctions, treesize of input 39 treesize of output 100 [2018-04-12 19:28:42,499 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-04-12 19:28:42,505 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 67 [2018-04-12 19:28:42,505 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:42,683 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:42,683 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:42,684 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 37 treesize of output 36 [2018-04-12 19:28:42,684 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:42,774 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:42,778 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 37 treesize of output 44 [2018-04-12 19:28:42,778 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-12 19:28:42,896 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:42,900 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 37 treesize of output 44 [2018-04-12 19:28:42,900 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-04-12 19:28:42,923 INFO L267 ElimStorePlain]: Start of recursive call 2: 8 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-12 19:28:42,948 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 15 dim-0 vars, and 4 xjuncts. [2018-04-12 19:28:42,948 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:54, output treesize:176 [2018-04-12 19:28:43,105 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 50 treesize of output 46 [2018-04-12 19:28:43,107 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 7 treesize of output 1 [2018-04-12 19:28:43,107 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:43,116 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 [2018-04-12 19:28:43,116 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-12 19:28:43,122 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 [2018-04-12 19:28:43,122 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:43,126 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 19:28:43,153 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:43,154 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:43,155 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 44 treesize of output 48 [2018-04-12 19:28:43,156 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 7 treesize of output 1 [2018-04-12 19:28:43,156 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:43,166 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 [2018-04-12 19:28:43,166 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-04-12 19:28:43,172 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:28:43,172 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:43,176 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 19:28:43,207 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:43,208 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:43,209 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 44 treesize of output 44 [2018-04-12 19:28:43,212 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 [2018-04-12 19:28:43,213 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:43,219 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:28:43,219 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:43,226 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 [2018-04-12 19:28:43,226 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2018-04-12 19:28:43,231 INFO L267 ElimStorePlain]: Start of recursive call 10: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 19:28:43,259 INFO L267 ElimStorePlain]: Start of recursive call 1: 13 dim-0 vars, 3 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-12 19:28:43,260 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 16 variables, input treesize:147, output treesize:25 [2018-04-12 19:28:43,334 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:28:43,351 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:28:43,351 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 30] total 48 [2018-04-12 19:28:43,351 INFO L442 AbstractCegarLoop]: Interpolant automaton has 48 states [2018-04-12 19:28:43,352 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2018-04-12 19:28:43,352 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=2064, Unknown=0, NotChecked=0, Total=2256 [2018-04-12 19:28:43,352 INFO L87 Difference]: Start difference. First operand 305 states and 326 transitions. Second operand 48 states. [2018-04-12 19:28:47,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:28:47,711 INFO L93 Difference]: Finished difference Result 518 states and 541 transitions. [2018-04-12 19:28:47,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-04-12 19:28:47,711 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 66 [2018-04-12 19:28:47,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:28:47,712 INFO L225 Difference]: With dead ends: 518 [2018-04-12 19:28:47,712 INFO L226 Difference]: Without dead ends: 518 [2018-04-12 19:28:47,712 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2770 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=1371, Invalid=8729, Unknown=0, NotChecked=0, Total=10100 [2018-04-12 19:28:47,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2018-04-12 19:28:47,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 302. [2018-04-12 19:28:47,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2018-04-12 19:28:47,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 322 transitions. [2018-04-12 19:28:47,715 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 322 transitions. Word has length 66 [2018-04-12 19:28:47,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:28:47,715 INFO L459 AbstractCegarLoop]: Abstraction has 302 states and 322 transitions. [2018-04-12 19:28:47,715 INFO L460 AbstractCegarLoop]: Interpolant automaton has 48 states. [2018-04-12 19:28:47,715 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 322 transitions. [2018-04-12 19:28:47,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-04-12 19:28:47,715 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:28:47,715 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, 1, 1, 1] [2018-04-12 19:28:47,715 INFO L408 AbstractCegarLoop]: === Iteration 51 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:28:47,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1126835464, now seen corresponding path program 1 times [2018-04-12 19:28:47,716 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:28:47,716 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:28:47,716 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:28:47,716 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 19:28:47,716 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:28:47,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:28:47,721 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:28:47,826 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:28:47,826 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:28:47,827 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:28:47,832 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:28:47,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:28:47,850 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:28:47,854 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:47,854 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:47,854 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-12 19:28:47,855 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:47,857 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:47,857 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2018-04-12 19:28:47,860 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 [2018-04-12 19:28:47,861 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:28:47,861 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:47,862 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:47,868 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 [2018-04-12 19:28:47,871 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 [2018-04-12 19:28:47,871 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:47,872 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:47,875 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:47,875 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:33, output treesize:15 [2018-04-12 19:28:47,889 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 55 treesize of output 51 [2018-04-12 19:28:47,890 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:28:47,890 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:47,893 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:47,899 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 39 treesize of output 40 [2018-04-12 19:28:47,899 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 16 treesize of output 15 [2018-04-12 19:28:47,900 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:47,902 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:47,905 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:47,905 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:55, output treesize:24 [2018-04-12 19:28:47,956 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 25 [2018-04-12 19:28:47,957 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 25 treesize of output 16 [2018-04-12 19:28:47,958 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:47,960 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:47,962 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. [2018-04-12 19:28:47,962 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:38, output treesize:23 [2018-04-12 19:28:47,992 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 23 treesize of output 19 [2018-04-12 19:28:47,993 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-12 19:28:47,993 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:47,995 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:28:47,996 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:47,996 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:47,998 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:47,998 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:27, output treesize:3 [2018-04-12 19:28:48,008 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:28:48,025 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:28:48,025 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 22 [2018-04-12 19:28:48,025 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-12 19:28:48,026 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-12 19:28:48,026 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2018-04-12 19:28:48,026 INFO L87 Difference]: Start difference. First operand 302 states and 322 transitions. Second operand 23 states. [2018-04-12 19:28:48,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:28:48,604 INFO L93 Difference]: Finished difference Result 336 states and 353 transitions. [2018-04-12 19:28:48,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-12 19:28:48,604 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 73 [2018-04-12 19:28:48,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:28:48,605 INFO L225 Difference]: With dead ends: 336 [2018-04-12 19:28:48,605 INFO L226 Difference]: Without dead ends: 336 [2018-04-12 19:28:48,605 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 66 SyntacticMatches, 5 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=220, Invalid=1340, Unknown=0, NotChecked=0, Total=1560 [2018-04-12 19:28:48,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2018-04-12 19:28:48,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 308. [2018-04-12 19:28:48,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2018-04-12 19:28:48,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 328 transitions. [2018-04-12 19:28:48,607 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 328 transitions. Word has length 73 [2018-04-12 19:28:48,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:28:48,608 INFO L459 AbstractCegarLoop]: Abstraction has 308 states and 328 transitions. [2018-04-12 19:28:48,608 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-12 19:28:48,608 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 328 transitions. [2018-04-12 19:28:48,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-04-12 19:28:48,608 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:28:48,608 INFO L355 BasicCegarLoop]: trace histogram [4, 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] [2018-04-12 19:28:48,608 INFO L408 AbstractCegarLoop]: === Iteration 52 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:28:48,609 INFO L82 PathProgramCache]: Analyzing trace with hash 45411393, now seen corresponding path program 7 times [2018-04-12 19:28:48,609 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:28:48,609 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:28:48,609 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:28:48,609 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:28:48,610 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:28:48,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:28:48,615 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:28:48,923 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:28:48,923 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:28:48,923 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:28:48,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:28:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:28:48,953 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:28:48,957 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:48,958 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:48,958 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 [2018-04-12 19:28:48,958 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:48,963 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:48,963 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:21 [2018-04-12 19:28:48,985 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 [2018-04-12 19:28:48,986 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 [2018-04-12 19:28:48,986 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:48,987 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:48,995 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 11 treesize of output 8 [2018-04-12 19:28:48,996 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:28:48,997 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:48,998 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:49,004 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:49,004 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:43, output treesize:29 [2018-04-12 19:28:49,055 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:49,055 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:49,056 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:49,056 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 [2018-04-12 19:28:49,056 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:49,062 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:49,062 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:34, output treesize:27 [2018-04-12 19:28:49,071 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 19 treesize of output 20 [2018-04-12 19:28:49,072 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 11 [2018-04-12 19:28:49,072 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:49,075 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:49,086 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 30 treesize of output 35 [2018-04-12 19:28:49,087 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:28:49,087 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:49,091 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:49,109 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:49,110 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:49, output treesize:43 [2018-04-12 19:28:49,179 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:28:49,179 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:49,185 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:49,185 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:81, output treesize:80 [2018-04-12 19:28:49,218 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 127 [2018-04-12 19:28:49,219 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:28:49,220 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:49,225 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:49,237 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 123 treesize of output 102 [2018-04-12 19:28:49,238 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 32 treesize of output 31 [2018-04-12 19:28:49,238 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:49,243 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:49,250 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:49,250 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:144, output treesize:78 [2018-04-12 19:28:49,365 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 100 treesize of output 84 [2018-04-12 19:28:49,366 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2018-04-12 19:28:49,367 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:49,372 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 65 treesize of output 57 [2018-04-12 19:28:49,372 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:49,376 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:49,381 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. [2018-04-12 19:28:49,381 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:108, output treesize:65 [2018-04-12 19:28:49,466 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 69 treesize of output 43 [2018-04-12 19:28:49,468 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 13 treesize of output 5 [2018-04-12 19:28:49,468 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:49,472 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-12 19:28:49,472 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:49,475 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 [2018-04-12 19:28:49,475 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:49,476 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:49,476 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:49,476 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:69, output treesize:5 [2018-04-12 19:28:49,502 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:28:49,519 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:28:49,519 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 20] total 36 [2018-04-12 19:28:49,520 INFO L442 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-04-12 19:28:49,520 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-04-12 19:28:49,520 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1223, Unknown=0, NotChecked=0, Total=1332 [2018-04-12 19:28:49,520 INFO L87 Difference]: Start difference. First operand 308 states and 328 transitions. Second operand 37 states. [2018-04-12 19:28:50,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:28:50,904 INFO L93 Difference]: Finished difference Result 389 states and 411 transitions. [2018-04-12 19:28:50,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-12 19:28:50,904 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 73 [2018-04-12 19:28:50,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:28:50,905 INFO L225 Difference]: With dead ends: 389 [2018-04-12 19:28:50,905 INFO L226 Difference]: Without dead ends: 389 [2018-04-12 19:28:50,905 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 59 SyntacticMatches, 3 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 895 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=389, Invalid=3271, Unknown=0, NotChecked=0, Total=3660 [2018-04-12 19:28:50,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2018-04-12 19:28:50,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 328. [2018-04-12 19:28:50,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2018-04-12 19:28:50,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 350 transitions. [2018-04-12 19:28:50,908 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 350 transitions. Word has length 73 [2018-04-12 19:28:50,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:28:50,908 INFO L459 AbstractCegarLoop]: Abstraction has 328 states and 350 transitions. [2018-04-12 19:28:50,908 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-04-12 19:28:50,908 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 350 transitions. [2018-04-12 19:28:50,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-04-12 19:28:50,908 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:28:50,908 INFO L355 BasicCegarLoop]: trace histogram [4, 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] [2018-04-12 19:28:50,908 INFO L408 AbstractCegarLoop]: === Iteration 53 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:28:50,908 INFO L82 PathProgramCache]: Analyzing trace with hash 45411394, now seen corresponding path program 6 times [2018-04-12 19:28:50,909 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:28:50,909 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:28:50,909 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:28:50,909 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:28:50,909 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:28:50,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:28:50,916 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:28:51,160 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:28:51,160 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:28:51,160 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:28:51,166 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-04-12 19:28:51,194 INFO L242 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2018-04-12 19:28:51,194 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 19:28:51,197 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:28:51,263 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:51,263 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:51,264 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 [2018-04-12 19:28:51,264 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:51,269 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:51,269 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-04-12 19:28:51,293 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 [2018-04-12 19:28:51,294 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 8 treesize of output 7 [2018-04-12 19:28:51,294 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:51,295 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:51,303 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 [2018-04-12 19:28:51,304 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:28:51,305 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:51,306 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:51,312 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:51,312 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:46, output treesize:32 [2018-04-12 19:28:51,387 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:51,388 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:51,388 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:51,388 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 [2018-04-12 19:28:51,389 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:51,394 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:51,394 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:48, output treesize:41 [2018-04-12 19:28:51,430 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:51,432 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 19 treesize of output 24 [2018-04-12 19:28:51,433 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:28:51,433 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:51,436 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:51,445 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:51,447 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 50 treesize of output 51 [2018-04-12 19:28:51,448 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 11 [2018-04-12 19:28:51,448 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:51,453 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:51,460 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:51,460 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:60, output treesize:65 [2018-04-12 19:28:51,554 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 22 [2018-04-12 19:28:51,556 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:28:51,556 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:51,557 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:51,567 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:51,567 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:111, output treesize:119 [2018-04-12 19:28:51,609 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:51,609 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:51,610 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-04-12 19:28:51,610 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:51,623 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 [2018-04-12 19:28:51,623 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:51,634 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:51,635 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:133, output treesize:126 [2018-04-12 19:28:51,679 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:51,680 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:51,685 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 122 treesize of output 122 [2018-04-12 19:28:51,687 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 [2018-04-12 19:28:51,687 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:51,697 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:51,714 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:51,719 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 94 treesize of output 111 [2018-04-12 19:28:51,720 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 8 treesize of output 7 [2018-04-12 19:28:51,720 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:51,729 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:51,744 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:51,744 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:148, output treesize:117 [2018-04-12 19:28:51,846 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 80 [2018-04-12 19:28:51,847 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:28:51,848 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:51,852 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:51,867 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. [2018-04-12 19:28:51,867 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:219, output treesize:199 [2018-04-12 19:28:51,986 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 1 case distinctions, treesize of input 56 treesize of output 94 [2018-04-12 19:28:51,988 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 83 [2018-04-12 19:28:52,003 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:52,017 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 15 [2018-04-12 19:28:52,017 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:52,025 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 35 treesize of output 28 [2018-04-12 19:28:52,026 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:52,036 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 1 case distinctions, treesize of input 15 treesize of output 12 [2018-04-12 19:28:52,036 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-04-12 19:28:52,042 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 20 [2018-04-12 19:28:52,042 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:52,046 INFO L267 ElimStorePlain]: Start of recursive call 2: 5 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-12 19:28:52,061 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 3 xjuncts. [2018-04-12 19:28:52,061 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:208, output treesize:483 [2018-04-12 19:28:52,439 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:52,440 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:52,440 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:52,441 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:52,441 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:52,448 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 5 new quantified variables, introduced 0 case distinctions, treesize of input 209 treesize of output 195 [2018-04-12 19:28:52,450 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:52,451 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 120 treesize of output 58 [2018-04-12 19:28:52,451 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:52,467 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:52,468 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 71 treesize of output 62 [2018-04-12 19:28:52,468 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:52,480 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:52,480 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2018-04-12 19:28:52,480 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:52,490 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:52,504 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 45 treesize of output 41 [2018-04-12 19:28:52,505 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:52,506 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 24 treesize of output 21 [2018-04-12 19:28:52,506 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:52,513 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 18 treesize of output 9 [2018-04-12 19:28:52,513 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:52,517 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:52,517 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 [2018-04-12 19:28:52,517 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:52,519 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:52,527 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:52,527 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 5 variables, input treesize:218, output treesize:9 [2018-04-12 19:28:52,579 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:28:52,597 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:28:52,597 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 26] total 46 [2018-04-12 19:28:52,597 INFO L442 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-04-12 19:28:52,597 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-04-12 19:28:52,597 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=2006, Unknown=0, NotChecked=0, Total=2162 [2018-04-12 19:28:52,597 INFO L87 Difference]: Start difference. First operand 328 states and 350 transitions. Second operand 47 states. [2018-04-12 19:28:55,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:28:55,424 INFO L93 Difference]: Finished difference Result 433 states and 455 transitions. [2018-04-12 19:28:55,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-12 19:28:55,424 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 73 [2018-04-12 19:28:55,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:28:55,425 INFO L225 Difference]: With dead ends: 433 [2018-04-12 19:28:55,425 INFO L226 Difference]: Without dead ends: 433 [2018-04-12 19:28:55,425 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 51 SyntacticMatches, 2 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1296 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=595, Invalid=5102, Unknown=3, NotChecked=0, Total=5700 [2018-04-12 19:28:55,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2018-04-12 19:28:55,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 320. [2018-04-12 19:28:55,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2018-04-12 19:28:55,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 341 transitions. [2018-04-12 19:28:55,428 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 341 transitions. Word has length 73 [2018-04-12 19:28:55,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:28:55,428 INFO L459 AbstractCegarLoop]: Abstraction has 320 states and 341 transitions. [2018-04-12 19:28:55,428 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-04-12 19:28:55,428 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 341 transitions. [2018-04-12 19:28:55,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-04-12 19:28:55,428 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:28:55,428 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-04-12 19:28:55,429 INFO L408 AbstractCegarLoop]: === Iteration 54 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:28:55,429 INFO L82 PathProgramCache]: Analyzing trace with hash -1831858050, now seen corresponding path program 3 times [2018-04-12 19:28:55,429 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:28:55,429 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:28:55,430 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:28:55,430 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 19:28:55,430 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:28:55,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:28:55,436 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:28:55,722 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:28:55,722 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:28:55,722 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:28:55,728 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-04-12 19:28:55,761 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-04-12 19:28:55,761 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 19:28:55,764 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:28:55,828 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:55,829 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:55,829 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 [2018-04-12 19:28:55,829 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:55,833 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:55,833 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:17 [2018-04-12 19:28:55,853 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 [2018-04-12 19:28:55,855 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:28:55,855 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:55,856 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:55,863 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 [2018-04-12 19:28:55,864 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 [2018-04-12 19:28:55,865 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:55,866 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:55,871 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:55,871 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:41, output treesize:30 [2018-04-12 19:28:55,948 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:28:55,948 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:55,957 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:55,957 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:55,958 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-04-12 19:28:55,958 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:55,965 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:55,965 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:52, output treesize:45 [2018-04-12 19:28:55,996 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:55,999 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 27 treesize of output 28 [2018-04-12 19:28:56,000 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 [2018-04-12 19:28:56,000 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:56,004 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:56,014 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:56,016 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 31 [2018-04-12 19:28:56,018 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 12 treesize of output 11 [2018-04-12 19:28:56,018 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:56,022 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:56,030 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:56,030 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:67, output treesize:56 [2018-04-12 19:28:56,178 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:56,178 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 20 treesize of output 31 [2018-04-12 19:28:56,178 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:56,195 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:56,196 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:56,196 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 37 [2018-04-12 19:28:56,196 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:56,210 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. [2018-04-12 19:28:56,210 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:104, output treesize:109 [2018-04-12 19:28:56,260 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:56,261 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:56,274 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 98 [2018-04-12 19:28:56,276 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 88 [2018-04-12 19:28:56,277 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:56,301 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:56,322 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:56,323 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:56,327 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:56,334 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 3 case distinctions, treesize of input 106 treesize of output 116 [2018-04-12 19:28:56,336 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 142 [2018-04-12 19:28:56,337 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:56,372 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:56,372 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 57 treesize of output 58 [2018-04-12 19:28:56,372 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:56,390 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 19:28:56,416 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. [2018-04-12 19:28:56,416 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:131, output treesize:265 [2018-04-12 19:28:56,583 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 248 treesize of output 225 [2018-04-12 19:28:56,585 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 49 [2018-04-12 19:28:56,585 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:56,601 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:56,636 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 153 treesize of output 142 [2018-04-12 19:28:56,637 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:28:56,637 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:56,651 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:56,683 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 2 xjuncts. [2018-04-12 19:28:56,683 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:402, output treesize:366 [2018-04-12 19:28:57,166 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:57,166 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:57,195 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:57,195 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:57,200 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 279 treesize of output 262 [2018-04-12 19:28:57,202 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:57,202 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 49 treesize of output 37 [2018-04-12 19:28:57,202 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:57,229 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 35 treesize of output 31 [2018-04-12 19:28:57,230 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:57,247 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:57,247 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 100 treesize of output 86 [2018-04-12 19:28:57,248 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:57,267 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:57,303 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:57,304 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:57,305 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 174 treesize of output 149 [2018-04-12 19:28:57,307 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:57,307 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2018-04-12 19:28:57,307 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:57,323 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:57,324 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 78 treesize of output 66 [2018-04-12 19:28:57,324 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:57,336 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:57,366 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-2 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2018-04-12 19:28:57,366 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 8 variables, input treesize:461, output treesize:251 [2018-04-12 19:28:57,553 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:57,554 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:57,561 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 168 treesize of output 179 [2018-04-12 19:28:57,561 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-04-12 19:28:57,620 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 107 treesize of output 85 [2018-04-12 19:28:57,620 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:57,644 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 120 treesize of output 120 [2018-04-12 19:28:57,645 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:28:57,645 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:57,657 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:28:57,658 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:57,667 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:57,690 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:28:57,690 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 84 [2018-04-12 19:28:57,692 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-12 19:28:57,692 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:57,708 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:28:57,725 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-1 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-12 19:28:57,725 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 9 variables, input treesize:283, output treesize:139 [2018-04-12 19:28:57,846 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:57,847 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:57,847 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:57,848 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:28:57,849 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 82 treesize of output 66 [2018-04-12 19:28:57,853 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 25 [2018-04-12 19:28:57,853 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:57,858 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-12 19:28:57,858 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:28:57,862 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 [2018-04-12 19:28:57,862 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:57,865 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:28:57,870 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. [2018-04-12 19:28:57,870 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:88, output treesize:15 [2018-04-12 19:28:57,999 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:28:58,016 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:28:58,016 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 28] total 50 [2018-04-12 19:28:58,016 INFO L442 AbstractCegarLoop]: Interpolant automaton has 51 states [2018-04-12 19:28:58,016 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2018-04-12 19:28:58,016 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=2377, Unknown=6, NotChecked=0, Total=2550 [2018-04-12 19:28:58,016 INFO L87 Difference]: Start difference. First operand 320 states and 341 transitions. Second operand 51 states. [2018-04-12 19:28:59,923 WARN L151 SmtUtils]: Spent 134ms on a formula simplification. DAG size of input: 167 DAG size of output 114 [2018-04-12 19:29:00,551 WARN L151 SmtUtils]: Spent 135ms on a formula simplification. DAG size of input: 229 DAG size of output 179 [2018-04-12 19:29:00,806 WARN L151 SmtUtils]: Spent 111ms on a formula simplification. DAG size of input: 176 DAG size of output 176 [2018-04-12 19:29:01,089 WARN L151 SmtUtils]: Spent 149ms on a formula simplification. DAG size of input: 189 DAG size of output 182 [2018-04-12 19:29:01,863 WARN L151 SmtUtils]: Spent 457ms on a formula simplification. DAG size of input: 236 DAG size of output 229 [2018-04-12 19:29:02,256 WARN L151 SmtUtils]: Spent 181ms on a formula simplification. DAG size of input: 157 DAG size of output 157 [2018-04-12 19:29:02,774 WARN L151 SmtUtils]: Spent 193ms on a formula simplification. DAG size of input: 172 DAG size of output 167 [2018-04-12 19:29:03,045 WARN L151 SmtUtils]: Spent 139ms on a formula simplification. DAG size of input: 159 DAG size of output 159 [2018-04-12 19:29:03,385 WARN L151 SmtUtils]: Spent 152ms on a formula simplification. DAG size of input: 169 DAG size of output 162 [2018-04-12 19:29:04,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:29:04,364 INFO L93 Difference]: Finished difference Result 402 states and 425 transitions. [2018-04-12 19:29:04,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-04-12 19:29:04,364 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 73 [2018-04-12 19:29:04,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:29:04,365 INFO L225 Difference]: With dead ends: 402 [2018-04-12 19:29:04,365 INFO L226 Difference]: Without dead ends: 402 [2018-04-12 19:29:04,365 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1788 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=914, Invalid=7060, Unknown=36, NotChecked=0, Total=8010 [2018-04-12 19:29:04,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2018-04-12 19:29:04,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 328. [2018-04-12 19:29:04,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2018-04-12 19:29:04,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 350 transitions. [2018-04-12 19:29:04,368 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 350 transitions. Word has length 73 [2018-04-12 19:29:04,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:29:04,368 INFO L459 AbstractCegarLoop]: Abstraction has 328 states and 350 transitions. [2018-04-12 19:29:04,368 INFO L460 AbstractCegarLoop]: Interpolant automaton has 51 states. [2018-04-12 19:29:04,368 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 350 transitions. [2018-04-12 19:29:04,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-04-12 19:29:04,368 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:29:04,369 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-04-12 19:29:04,369 INFO L408 AbstractCegarLoop]: === Iteration 55 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:29:04,369 INFO L82 PathProgramCache]: Analyzing trace with hash -1831858049, now seen corresponding path program 3 times [2018-04-12 19:29:04,369 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:29:04,369 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:29:04,370 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:29:04,370 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 19:29:04,370 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:29:04,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:29:04,379 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:29:04,649 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:29:04,649 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:29:04,649 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:29:04,656 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-04-12 19:29:04,691 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-04-12 19:29:04,692 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 19:29:04,695 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:29:04,803 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:04,807 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:04,807 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-04-12 19:29:04,807 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:04,810 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:04,811 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-04-12 19:29:04,834 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 11 treesize of output 8 [2018-04-12 19:29:04,835 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:29:04,836 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:04,837 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:04,846 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 [2018-04-12 19:29:04,847 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:29:04,847 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:04,849 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:04,856 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:04,856 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:41, output treesize:23 [2018-04-12 19:29:04,940 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 6 treesize of output 5 [2018-04-12 19:29:04,940 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:04,950 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:04,951 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:04,951 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 [2018-04-12 19:29:04,951 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:04,958 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:04,958 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:38 [2018-04-12 19:29:04,991 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:04,994 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 27 treesize of output 28 [2018-04-12 19:29:04,995 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 11 [2018-04-12 19:29:04,996 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:05,000 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:05,012 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 30 treesize of output 35 [2018-04-12 19:29:05,014 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 12 treesize of output 15 [2018-04-12 19:29:05,014 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:05,018 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:05,038 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:05,039 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:57, output treesize:62 [2018-04-12 19:29:05,145 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 22 [2018-04-12 19:29:05,147 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:29:05,147 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:05,149 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:05,159 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:05,160 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:108, output treesize:116 [2018-04-12 19:29:05,201 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:05,202 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 24 treesize of output 39 [2018-04-12 19:29:05,202 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:05,217 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:05,217 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:05,217 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-04-12 19:29:05,218 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:05,229 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:05,229 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:130, output treesize:123 [2018-04-12 19:29:05,275 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:05,288 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 3 case distinctions, treesize of input 119 treesize of output 120 [2018-04-12 19:29:05,290 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 128 treesize of output 139 [2018-04-12 19:29:05,290 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:05,332 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 81 treesize of output 102 [2018-04-12 19:29:05,332 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-12 19:29:05,358 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 19:29:05,386 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:05,398 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 3 case distinctions, treesize of input 138 treesize of output 150 [2018-04-12 19:29:05,400 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 158 [2018-04-12 19:29:05,400 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:05,454 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:05,456 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:05,457 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:29:05,458 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 101 treesize of output 87 [2018-04-12 19:29:05,460 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 62 treesize of output 41 [2018-04-12 19:29:05,460 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:05,468 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:05,491 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-12 19:29:05,491 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 3 variables, input treesize:145, output treesize:239 [2018-04-12 19:29:05,625 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:05,625 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 138 treesize of output 150 [2018-04-12 19:29:05,627 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 62 treesize of output 58 [2018-04-12 19:29:05,627 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:05,637 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:05,665 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:05,667 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 298 treesize of output 318 [2018-04-12 19:29:05,675 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 118 treesize of output 114 [2018-04-12 19:29:05,675 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:05,689 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:05,712 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-12 19:29:05,712 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:437, output treesize:325 [2018-04-12 19:29:06,322 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:06,324 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:06,331 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 2 case distinctions, treesize of input 255 treesize of output 321 [2018-04-12 19:29:06,338 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 293 treesize of output 298 [2018-04-12 19:29:06,338 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 19:29:06,432 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 293 treesize of output 274 [2018-04-12 19:29:06,432 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:06,506 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 273 treesize of output 254 [2018-04-12 19:29:06,506 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:06,579 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 274 treesize of output 267 [2018-04-12 19:29:06,579 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:06,650 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 238 treesize of output 236 [2018-04-12 19:29:06,651 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-04-12 19:29:06,740 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 247 treesize of output 212 [2018-04-12 19:29:06,740 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:06,794 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 234 treesize of output 232 [2018-04-12 19:29:06,795 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-04-12 19:29:06,846 INFO L267 ElimStorePlain]: Start of recursive call 2: 7 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-12 19:29:06,922 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:06,923 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:06,923 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:29:06,924 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:06,924 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 153 [2018-04-12 19:29:06,929 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 24 treesize of output 29 [2018-04-12 19:29:06,929 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:06,943 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:29:06,943 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-04-12 19:29:06,943 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:06,954 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:07,023 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 8 dim-0 vars, and 4 xjuncts. [2018-04-12 19:29:07,023 INFO L202 ElimStorePlain]: Needed 12 recursive calls to eliminate 6 variables, input treesize:384, output treesize:716 [2018-04-12 19:29:07,618 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:29:07,619 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:07,619 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:07,620 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:07,620 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:29:07,624 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:07,625 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 248 [2018-04-12 19:29:07,627 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:29:07,632 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 198 treesize of output 168 [2018-04-12 19:29:07,633 INFO L267 ElimStorePlain]: Start of recursive call 3: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-12 19:29:07,668 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:29:07,673 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 2 case distinctions, treesize of input 147 treesize of output 137 [2018-04-12 19:29:07,673 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-12 19:29:07,675 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:29:07,675 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 141 treesize of output 117 [2018-04-12 19:29:07,675 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:07,713 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:29:07,713 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 94 [2018-04-12 19:29:07,714 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:29:07,715 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:29:07,716 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 119 treesize of output 94 [2018-04-12 19:29:07,716 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:29:07,744 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2018-04-12 19:29:07,777 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 70 [2018-04-12 19:29:07,778 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:29:07,779 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 19 treesize of output 26 [2018-04-12 19:29:07,779 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:07,790 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:29:07,791 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 29 treesize of output 24 [2018-04-12 19:29:07,791 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:29:07,803 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:29:07,803 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:07,811 INFO L267 ElimStorePlain]: Start of recursive call 8: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:07,814 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 70 [2018-04-12 19:29:07,819 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:29:07,819 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 26 treesize of output 18 [2018-04-12 19:29:07,819 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:07,831 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:29:07,831 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:07,843 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-04-12 19:29:07,843 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:07,851 INFO L267 ElimStorePlain]: Start of recursive call 12: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:07,870 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2018-04-12 19:29:07,870 INFO L202 ElimStorePlain]: Needed 15 recursive calls to eliminate 4 variables, input treesize:275, output treesize:63 [2018-04-12 19:29:08,091 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:29:08,109 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:29:08,109 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 28] total 50 [2018-04-12 19:29:08,109 INFO L442 AbstractCegarLoop]: Interpolant automaton has 51 states [2018-04-12 19:29:08,109 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2018-04-12 19:29:08,109 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=2383, Unknown=2, NotChecked=0, Total=2550 [2018-04-12 19:29:08,109 INFO L87 Difference]: Start difference. First operand 328 states and 350 transitions. Second operand 51 states. [2018-04-12 19:29:33,348 WARN L151 SmtUtils]: Spent 121ms on a formula simplification. DAG size of input: 113 DAG size of output 81 [2018-04-12 19:29:33,894 WARN L151 SmtUtils]: Spent 179ms on a formula simplification. DAG size of input: 184 DAG size of output 147 [2018-04-12 19:29:34,164 WARN L151 SmtUtils]: Spent 165ms on a formula simplification. DAG size of input: 147 DAG size of output 145 [2018-04-12 19:29:34,416 WARN L151 SmtUtils]: Spent 161ms on a formula simplification. DAG size of input: 151 DAG size of output 149 [2018-04-12 19:29:34,999 WARN L151 SmtUtils]: Spent 418ms on a formula simplification. DAG size of input: 238 DAG size of output 228 [2018-04-12 19:29:35,391 WARN L151 SmtUtils]: Spent 271ms on a formula simplification. DAG size of input: 183 DAG size of output 180 [2018-04-12 19:29:35,935 WARN L151 SmtUtils]: Spent 359ms on a formula simplification. DAG size of input: 197 DAG size of output 194 [2018-04-12 19:29:37,705 WARN L151 SmtUtils]: Spent 152ms on a formula simplification. DAG size of input: 118 DAG size of output 116 [2018-04-12 19:29:37,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:29:37,965 INFO L93 Difference]: Finished difference Result 436 states and 458 transitions. [2018-04-12 19:29:37,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-04-12 19:29:37,966 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 73 [2018-04-12 19:29:37,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:29:37,967 INFO L225 Difference]: With dead ends: 436 [2018-04-12 19:29:37,967 INFO L226 Difference]: Without dead ends: 436 [2018-04-12 19:29:37,967 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1609 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=694, Invalid=6276, Unknown=2, NotChecked=0, Total=6972 [2018-04-12 19:29:37,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2018-04-12 19:29:37,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 328. [2018-04-12 19:29:37,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2018-04-12 19:29:37,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 349 transitions. [2018-04-12 19:29:37,969 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 349 transitions. Word has length 73 [2018-04-12 19:29:37,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:29:37,969 INFO L459 AbstractCegarLoop]: Abstraction has 328 states and 349 transitions. [2018-04-12 19:29:37,969 INFO L460 AbstractCegarLoop]: Interpolant automaton has 51 states. [2018-04-12 19:29:37,969 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 349 transitions. [2018-04-12 19:29:37,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-04-12 19:29:37,970 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:29:37,970 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, 1, 1, 1, 1] [2018-04-12 19:29:37,970 INFO L408 AbstractCegarLoop]: === Iteration 56 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:29:37,970 INFO L82 PathProgramCache]: Analyzing trace with hash 572161269, now seen corresponding path program 1 times [2018-04-12 19:29:37,970 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:29:37,970 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:29:37,970 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:29:37,971 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 19:29:37,971 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:29:37,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:29:37,975 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:29:38,222 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:29:38,222 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:29:38,223 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:29:38,228 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:29:38,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:29:38,249 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:29:38,252 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:38,253 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:38,253 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-04-12 19:29:38,253 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:38,256 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:38,256 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2018-04-12 19:29:38,261 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 [2018-04-12 19:29:38,262 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 [2018-04-12 19:29:38,262 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:38,263 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:38,270 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 [2018-04-12 19:29:38,271 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:29:38,271 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:38,273 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:38,278 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:38,278 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:38, output treesize:20 [2018-04-12 19:29:38,292 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:38,293 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:38,293 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 11 treesize of output 4 [2018-04-12 19:29:38,293 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:38,306 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:38,306 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:23 [2018-04-12 19:29:38,311 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 47 treesize of output 48 [2018-04-12 19:29:38,313 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:29:38,313 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:38,317 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:38,325 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 47 treesize of output 43 [2018-04-12 19:29:38,326 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 16 treesize of output 15 [2018-04-12 19:29:38,327 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:38,330 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:38,334 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:38,334 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:59, output treesize:25 [2018-04-12 19:29:38,532 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 41 treesize of output 35 [2018-04-12 19:29:38,533 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 35 treesize of output 26 [2018-04-12 19:29:38,533 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:38,536 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:38,540 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. [2018-04-12 19:29:38,540 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:56, output treesize:41 [2018-04-12 19:29:38,590 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:38,590 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 20 treesize of output 45 [2018-04-12 19:29:38,590 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:38,596 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. [2018-04-12 19:29:38,596 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:47, output treesize:34 [2018-04-12 19:29:38,625 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 33 treesize of output 24 [2018-04-12 19:29:38,626 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:29:38,627 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:38,629 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 [2018-04-12 19:29:38,629 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:38,630 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:38,632 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. [2018-04-12 19:29:38,632 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:38, output treesize:11 [2018-04-12 19:29:38,666 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:29:38,683 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:29:38,683 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 21] total 37 [2018-04-12 19:29:38,683 INFO L442 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-04-12 19:29:38,683 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-04-12 19:29:38,683 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=1285, Unknown=0, NotChecked=0, Total=1406 [2018-04-12 19:29:38,683 INFO L87 Difference]: Start difference. First operand 328 states and 349 transitions. Second operand 38 states. [2018-04-12 19:29:39,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:29:39,653 INFO L93 Difference]: Finished difference Result 352 states and 370 transitions. [2018-04-12 19:29:39,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-04-12 19:29:39,653 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 74 [2018-04-12 19:29:39,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:29:39,654 INFO L225 Difference]: With dead ends: 352 [2018-04-12 19:29:39,654 INFO L226 Difference]: Without dead ends: 352 [2018-04-12 19:29:39,654 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 58 SyntacticMatches, 5 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 798 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=325, Invalid=2867, Unknown=0, NotChecked=0, Total=3192 [2018-04-12 19:29:39,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2018-04-12 19:29:39,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 328. [2018-04-12 19:29:39,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2018-04-12 19:29:39,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 349 transitions. [2018-04-12 19:29:39,657 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 349 transitions. Word has length 74 [2018-04-12 19:29:39,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:29:39,657 INFO L459 AbstractCegarLoop]: Abstraction has 328 states and 349 transitions. [2018-04-12 19:29:39,657 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-04-12 19:29:39,657 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 349 transitions. [2018-04-12 19:29:39,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-04-12 19:29:39,657 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:29:39,657 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, 1, 1] [2018-04-12 19:29:39,657 INFO L408 AbstractCegarLoop]: === Iteration 57 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:29:39,657 INFO L82 PathProgramCache]: Analyzing trace with hash -137175235, now seen corresponding path program 1 times [2018-04-12 19:29:39,657 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:29:39,657 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:29:39,658 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:29:39,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:29:39,658 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:29:39,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:29:39,662 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:29:40,152 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:29:40,152 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:29:40,152 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:29:40,158 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:29:40,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:29:40,182 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:29:40,186 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:40,187 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:40,187 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 [2018-04-12 19:29:40,187 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:40,194 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:40,194 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-04-12 19:29:40,216 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 [2018-04-12 19:29:40,217 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:29:40,217 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:40,219 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:40,227 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 [2018-04-12 19:29:40,228 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 [2018-04-12 19:29:40,228 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:40,229 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:40,235 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:40,235 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:43, output treesize:36 [2018-04-12 19:29:40,255 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 [2018-04-12 19:29:40,256 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:29:40,257 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:40,258 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:40,262 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:40,262 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:44, output treesize:33 [2018-04-12 19:29:40,288 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:40,288 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:40,288 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:40,289 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 [2018-04-12 19:29:40,289 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:40,294 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:40,294 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:23 [2018-04-12 19:29:40,313 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 36 treesize of output 32 [2018-04-12 19:29:40,323 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 12 treesize of output 11 [2018-04-12 19:29:40,323 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:40,327 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:40,331 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:40,331 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:40, output treesize:37 [2018-04-12 19:29:40,544 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 [2018-04-12 19:29:40,545 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:29:40,545 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:40,546 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:40,550 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. [2018-04-12 19:29:40,550 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:68, output treesize:57 [2018-04-12 19:29:40,611 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:40,616 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 31 [2018-04-12 19:29:40,616 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-04-12 19:29:40,625 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2018-04-12 19:29:40,625 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:63, output treesize:123 [2018-04-12 19:29:40,729 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 67 treesize of output 45 [2018-04-12 19:29:40,730 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 11 [2018-04-12 19:29:40,730 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:40,735 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 23 treesize of output 16 [2018-04-12 19:29:40,736 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:40,739 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:40,751 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 69 treesize of output 43 [2018-04-12 19:29:40,752 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 20 treesize of output 11 [2018-04-12 19:29:40,752 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:40,760 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 [2018-04-12 19:29:40,760 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-04-12 19:29:40,768 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 19:29:40,780 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 3 xjuncts. [2018-04-12 19:29:40,781 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:137, output treesize:53 [2018-04-12 19:29:40,887 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:40,887 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:40,888 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 36 [2018-04-12 19:29:40,888 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:40,893 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. [2018-04-12 19:29:40,893 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:25, output treesize:20 [2018-04-12 19:29:40,938 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:29:40,955 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:29:40,955 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 46 [2018-04-12 19:29:40,955 INFO L442 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-04-12 19:29:40,955 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-04-12 19:29:40,955 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=2007, Unknown=3, NotChecked=0, Total=2162 [2018-04-12 19:29:40,956 INFO L87 Difference]: Start difference. First operand 328 states and 349 transitions. Second operand 47 states. [2018-04-12 19:29:42,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:29:42,907 INFO L93 Difference]: Finished difference Result 372 states and 391 transitions. [2018-04-12 19:29:42,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-04-12 19:29:42,907 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 74 [2018-04-12 19:29:42,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:29:42,908 INFO L225 Difference]: With dead ends: 372 [2018-04-12 19:29:42,908 INFO L226 Difference]: Without dead ends: 372 [2018-04-12 19:29:42,909 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 55 SyntacticMatches, 2 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1417 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=479, Invalid=4920, Unknown=3, NotChecked=0, Total=5402 [2018-04-12 19:29:42,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2018-04-12 19:29:42,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 332. [2018-04-12 19:29:42,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332 states. [2018-04-12 19:29:42,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 354 transitions. [2018-04-12 19:29:42,911 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 354 transitions. Word has length 74 [2018-04-12 19:29:42,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:29:42,911 INFO L459 AbstractCegarLoop]: Abstraction has 332 states and 354 transitions. [2018-04-12 19:29:42,911 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-04-12 19:29:42,911 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 354 transitions. [2018-04-12 19:29:42,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-04-12 19:29:42,911 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:29:42,911 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, 1, 1] [2018-04-12 19:29:42,912 INFO L408 AbstractCegarLoop]: === Iteration 58 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:29:42,912 INFO L82 PathProgramCache]: Analyzing trace with hash -137175234, now seen corresponding path program 2 times [2018-04-12 19:29:42,912 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:29:42,912 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:29:42,913 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:29:42,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:29:42,913 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:29:42,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:29:42,918 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:29:43,231 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:29:43,231 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:29:43,231 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:29:43,236 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 19:29:43,256 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 19:29:43,256 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 19:29:43,258 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:29:43,456 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 [2018-04-12 19:29:43,457 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:29:43,457 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-04-12 19:29:43,457 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:43,459 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:43,464 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 [2018-04-12 19:29:43,465 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:29:43,471 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 13 [2018-04-12 19:29:43,471 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:43,474 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:43,477 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:43,477 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:38, output treesize:9 [2018-04-12 19:29:43,549 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 [2018-04-12 19:29:43,550 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 15 treesize of output 3 [2018-04-12 19:29:43,550 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:43,551 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:43,551 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:43,552 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2018-04-12 19:29:43,578 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 19:29:43,595 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:29:43,595 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 13] total 36 [2018-04-12 19:29:43,596 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-04-12 19:29:43,596 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-04-12 19:29:43,596 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=1178, Unknown=0, NotChecked=0, Total=1260 [2018-04-12 19:29:43,596 INFO L87 Difference]: Start difference. First operand 332 states and 354 transitions. Second operand 36 states. [2018-04-12 19:29:46,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:29:46,359 INFO L93 Difference]: Finished difference Result 444 states and 461 transitions. [2018-04-12 19:29:46,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-04-12 19:29:46,359 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 74 [2018-04-12 19:29:46,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:29:46,360 INFO L225 Difference]: With dead ends: 444 [2018-04-12 19:29:46,360 INFO L226 Difference]: Without dead ends: 444 [2018-04-12 19:29:46,360 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1141 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=740, Invalid=5421, Unknown=1, NotChecked=0, Total=6162 [2018-04-12 19:29:46,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2018-04-12 19:29:46,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 370. [2018-04-12 19:29:46,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 370 states. [2018-04-12 19:29:46,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 399 transitions. [2018-04-12 19:29:46,363 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 399 transitions. Word has length 74 [2018-04-12 19:29:46,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:29:46,363 INFO L459 AbstractCegarLoop]: Abstraction has 370 states and 399 transitions. [2018-04-12 19:29:46,363 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-04-12 19:29:46,363 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 399 transitions. [2018-04-12 19:29:46,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-04-12 19:29:46,363 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:29:46,363 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 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] [2018-04-12 19:29:46,363 INFO L408 AbstractCegarLoop]: === Iteration 59 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:29:46,363 INFO L82 PathProgramCache]: Analyzing trace with hash 546000061, now seen corresponding path program 8 times [2018-04-12 19:29:46,363 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:29:46,364 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:29:46,364 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:29:46,364 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 19:29:46,364 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:29:46,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:29:46,376 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:29:46,628 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:29:46,629 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:29:46,629 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:29:46,634 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 19:29:46,655 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 19:29:46,656 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 19:29:46,658 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:29:46,719 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:46,720 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:46,720 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 [2018-04-12 19:29:46,720 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:46,725 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:46,726 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-04-12 19:29:46,752 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 [2018-04-12 19:29:46,753 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:29:46,753 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:46,754 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:46,763 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 [2018-04-12 19:29:46,764 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:29:46,764 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:46,765 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:46,772 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:46,772 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:46, output treesize:32 [2018-04-12 19:29:46,847 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:46,848 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:46,848 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:46,849 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 46 [2018-04-12 19:29:46,849 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:46,858 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:46,858 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:51, output treesize:57 [2018-04-12 19:29:46,896 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:46,899 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 44 treesize of output 45 [2018-04-12 19:29:46,900 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 11 [2018-04-12 19:29:46,900 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:46,906 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:46,921 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 30 treesize of output 35 [2018-04-12 19:29:46,923 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:29:46,923 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:46,927 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:46,937 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:46,937 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:84, output treesize:73 [2018-04-12 19:29:47,043 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:47,044 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:47,044 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:47,045 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:47,045 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 [2018-04-12 19:29:47,045 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:47,052 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:47,052 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:99, output treesize:91 [2018-04-12 19:29:47,083 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:47,084 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:47,088 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 95 treesize of output 95 [2018-04-12 19:29:47,090 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-04-12 19:29:47,090 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:47,099 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:47,113 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:47,116 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 79 treesize of output 80 [2018-04-12 19:29:47,117 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 8 treesize of output 7 [2018-04-12 19:29:47,117 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:47,124 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:47,135 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:47,135 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:118, output treesize:96 [2018-04-12 19:29:47,256 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 24 treesize of output 23 [2018-04-12 19:29:47,256 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:47,267 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. [2018-04-12 19:29:47,267 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:166, output treesize:165 [2018-04-12 19:29:47,325 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 224 treesize of output 138 [2018-04-12 19:29:47,327 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 23 [2018-04-12 19:29:47,328 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:47,340 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:47,358 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 196 treesize of output 180 [2018-04-12 19:29:47,360 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 24 treesize of output 23 [2018-04-12 19:29:47,360 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:47,370 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:47,384 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. [2018-04-12 19:29:47,384 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:232, output treesize:166 [2018-04-12 19:29:47,485 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 162 treesize of output 144 [2018-04-12 19:29:47,486 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:29:47,487 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 0 case distinctions, treesize of input 144 treesize of output 126 [2018-04-12 19:29:47,487 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:47,495 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:47,511 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. [2018-04-12 19:29:47,511 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:183, output treesize:144 [2018-04-12 19:29:47,612 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:47,612 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:47,613 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:47,613 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:29:47,619 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 106 [2018-04-12 19:29:47,621 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 43 treesize of output 28 [2018-04-12 19:29:47,621 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:47,632 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-12 19:29:47,632 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:29:47,640 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 21 treesize of output 15 [2018-04-12 19:29:47,640 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:47,645 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:29:47,645 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 13 treesize of output 12 [2018-04-12 19:29:47,645 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:47,648 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:29:47,652 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. [2018-04-12 19:29:47,652 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:148, output treesize:11 [2018-04-12 19:29:47,697 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:29:47,714 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:29:47,715 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 45 [2018-04-12 19:29:47,715 INFO L442 AbstractCegarLoop]: Interpolant automaton has 46 states [2018-04-12 19:29:47,715 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2018-04-12 19:29:47,715 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=1875, Unknown=0, NotChecked=0, Total=2070 [2018-04-12 19:29:47,715 INFO L87 Difference]: Start difference. First operand 370 states and 399 transitions. Second operand 46 states. [2018-04-12 19:29:50,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:29:50,232 INFO L93 Difference]: Finished difference Result 516 states and 553 transitions. [2018-04-12 19:29:50,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-04-12 19:29:50,232 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 75 [2018-04-12 19:29:50,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:29:50,233 INFO L225 Difference]: With dead ends: 516 [2018-04-12 19:29:50,233 INFO L226 Difference]: Without dead ends: 516 [2018-04-12 19:29:50,233 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2328 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1078, Invalid=7108, Unknown=4, NotChecked=0, Total=8190 [2018-04-12 19:29:50,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2018-04-12 19:29:50,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 379. [2018-04-12 19:29:50,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-04-12 19:29:50,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 410 transitions. [2018-04-12 19:29:50,236 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 410 transitions. Word has length 75 [2018-04-12 19:29:50,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:29:50,236 INFO L459 AbstractCegarLoop]: Abstraction has 379 states and 410 transitions. [2018-04-12 19:29:50,236 INFO L460 AbstractCegarLoop]: Interpolant automaton has 46 states. [2018-04-12 19:29:50,236 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 410 transitions. [2018-04-12 19:29:50,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-04-12 19:29:50,237 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:29:50,237 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 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] [2018-04-12 19:29:50,237 INFO L408 AbstractCegarLoop]: === Iteration 60 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:29:50,237 INFO L82 PathProgramCache]: Analyzing trace with hash 546000062, now seen corresponding path program 7 times [2018-04-12 19:29:50,237 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:29:50,237 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:29:50,237 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:29:50,237 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 19:29:50,238 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:29:50,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:29:50,245 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:29:50,721 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:29:50,721 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:29:50,721 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:29:50,726 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:29:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:29:50,750 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:29:50,755 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:50,756 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:50,756 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 [2018-04-12 19:29:50,757 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:50,762 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:50,762 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:21 [2018-04-12 19:29:50,790 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 [2018-04-12 19:29:50,791 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 [2018-04-12 19:29:50,791 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:50,792 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:50,800 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 [2018-04-12 19:29:50,801 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 8 treesize of output 7 [2018-04-12 19:29:50,801 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:50,803 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:50,809 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:50,809 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:43, output treesize:29 [2018-04-12 19:29:50,860 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:50,860 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:50,861 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:50,861 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 42 [2018-04-12 19:29:50,861 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:50,871 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:50,871 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:49 [2018-04-12 19:29:50,903 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 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 [2018-04-12 19:29:50,904 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 11 [2018-04-12 19:29:50,904 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:50,908 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:50,922 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 30 treesize of output 35 [2018-04-12 19:29:50,923 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:29:50,923 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:50,928 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:50,938 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:50,938 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:73, output treesize:81 [2018-04-12 19:29:51,082 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:51,082 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:51,083 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:51,084 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:51,084 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 [2018-04-12 19:29:51,084 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:51,097 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 14 treesize of output 29 [2018-04-12 19:29:51,098 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:51,110 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:51,110 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:115 [2018-04-12 19:29:51,148 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:51,149 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:51,154 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 113 treesize of output 113 [2018-04-12 19:29:51,156 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2018-04-12 19:29:51,156 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:51,168 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:51,186 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:51,191 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 98 [2018-04-12 19:29:51,192 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:29:51,193 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:51,200 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:51,216 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:51,216 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:145, output treesize:127 [2018-04-12 19:29:51,348 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:51,348 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:51,349 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 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 [2018-04-12 19:29:51,349 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:51,369 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 47 treesize of output 94 [2018-04-12 19:29:51,369 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:51,392 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. [2018-04-12 19:29:51,392 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:226, output treesize:219 [2018-04-12 19:29:51,452 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 278 treesize of output 176 [2018-04-12 19:29:51,454 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 [2018-04-12 19:29:51,454 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:51,471 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:51,496 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 250 treesize of output 242 [2018-04-12 19:29:51,498 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 24 treesize of output 23 [2018-04-12 19:29:51,498 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:51,513 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:51,531 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. [2018-04-12 19:29:51,531 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:286, output treesize:240 [2018-04-12 19:29:51,790 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 267 treesize of output 139 [2018-04-12 19:29:51,792 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 43 [2018-04-12 19:29:51,792 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:29:51,809 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-12 19:29:51,809 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:29:51,824 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 20 treesize of output 16 [2018-04-12 19:29:51,825 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:29:51,840 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 63 treesize of output 24 [2018-04-12 19:29:51,840 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:51,852 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-12 19:29:51,867 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2018-04-12 19:29:51,868 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:29:51,868 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:51,871 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:51,883 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. [2018-04-12 19:29:51,883 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 6 variables, input treesize:270, output treesize:27 [2018-04-12 19:29:52,002 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:29:52,019 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:29:52,020 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 23] total 43 [2018-04-12 19:29:52,020 INFO L442 AbstractCegarLoop]: Interpolant automaton has 44 states [2018-04-12 19:29:52,020 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2018-04-12 19:29:52,020 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=1764, Unknown=0, NotChecked=0, Total=1892 [2018-04-12 19:29:52,020 INFO L87 Difference]: Start difference. First operand 379 states and 410 transitions. Second operand 44 states. [2018-04-12 19:29:56,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:29:56,802 INFO L93 Difference]: Finished difference Result 577 states and 612 transitions. [2018-04-12 19:29:56,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-04-12 19:29:56,803 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 75 [2018-04-12 19:29:56,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:29:56,804 INFO L225 Difference]: With dead ends: 577 [2018-04-12 19:29:56,804 INFO L226 Difference]: Without dead ends: 577 [2018-04-12 19:29:56,804 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 58 SyntacticMatches, 3 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1390 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=531, Invalid=5631, Unknown=0, NotChecked=0, Total=6162 [2018-04-12 19:29:56,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2018-04-12 19:29:56,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 371. [2018-04-12 19:29:56,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 371 states. [2018-04-12 19:29:56,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 401 transitions. [2018-04-12 19:29:56,806 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 401 transitions. Word has length 75 [2018-04-12 19:29:56,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:29:56,807 INFO L459 AbstractCegarLoop]: Abstraction has 371 states and 401 transitions. [2018-04-12 19:29:56,807 INFO L460 AbstractCegarLoop]: Interpolant automaton has 44 states. [2018-04-12 19:29:56,807 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 401 transitions. [2018-04-12 19:29:56,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-04-12 19:29:56,807 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:29:56,807 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-04-12 19:29:56,807 INFO L408 AbstractCegarLoop]: === Iteration 61 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:29:56,807 INFO L82 PathProgramCache]: Analyzing trace with hash -1331269382, now seen corresponding path program 4 times [2018-04-12 19:29:56,807 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:29:56,807 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:29:56,808 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:29:56,808 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:29:56,808 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:29:56,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:29:56,816 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:29:57,066 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:29:57,066 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:29:57,066 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:29:57,072 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-04-12 19:29:57,089 INFO L242 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-04-12 19:29:57,090 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 19:29:57,092 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:29:57,097 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:57,098 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:57,098 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-12 19:29:57,099 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:57,104 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:57,104 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:21 [2018-04-12 19:29:57,127 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 [2018-04-12 19:29:57,129 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:29:57,129 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:57,130 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:57,138 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-12 19:29:57,139 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:29:57,139 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:57,140 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:57,146 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:57,146 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:43, output treesize:29 [2018-04-12 19:29:57,199 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:57,200 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:57,200 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:57,201 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 42 [2018-04-12 19:29:57,201 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:57,211 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:57,211 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:46 [2018-04-12 19:29:57,243 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 19 treesize of output 24 [2018-04-12 19:29:57,244 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:29:57,244 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:57,248 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:57,263 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 44 [2018-04-12 19:29:57,264 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 11 [2018-04-12 19:29:57,264 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:57,269 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:57,279 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:57,280 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:73, output treesize:70 [2018-04-12 19:29:57,367 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:57,367 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:57,368 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:57,368 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:57,369 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 [2018-04-12 19:29:57,369 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:57,375 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:57,375 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:96, output treesize:88 [2018-04-12 19:29:57,404 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:57,406 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 79 treesize of output 80 [2018-04-12 19:29:57,408 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:29:57,408 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:57,415 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:57,427 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:57,427 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:57,431 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 95 treesize of output 95 [2018-04-12 19:29:57,433 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-04-12 19:29:57,433 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:57,441 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:57,450 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:57,450 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:115, output treesize:93 [2018-04-12 19:29:57,544 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:57,544 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:29:57,545 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 57 [2018-04-12 19:29:57,545 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:57,556 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. [2018-04-12 19:29:57,557 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:168, output treesize:178 [2018-04-12 19:29:57,600 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 232 treesize of output 216 [2018-04-12 19:29:57,601 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 23 [2018-04-12 19:29:57,601 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:57,619 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:57,641 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 220 treesize of output 142 [2018-04-12 19:29:57,643 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 [2018-04-12 19:29:57,643 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:57,654 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:57,667 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. [2018-04-12 19:29:57,667 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:245, output treesize:199 [2018-04-12 19:29:57,847 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 [2018-04-12 19:29:57,848 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 [2018-04-12 19:29:57,848 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:57,849 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:57,861 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. [2018-04-12 19:29:57,861 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:218, output treesize:203 [2018-04-12 19:29:57,912 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 198 treesize of output 176 [2018-04-12 19:29:57,913 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 176 treesize of output 151 [2018-04-12 19:29:57,914 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:57,923 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:29:57,934 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. [2018-04-12 19:29:57,934 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:213, output treesize:166 [2018-04-12 19:29:58,053 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 170 treesize of output 80 [2018-04-12 19:29:58,055 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 23 treesize of output 17 [2018-04-12 19:29:58,055 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:58,063 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 35 treesize of output 22 [2018-04-12 19:29:58,063 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:58,071 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-12 19:29:58,072 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:29:58,076 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2018-04-12 19:29:58,077 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:29:58,080 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:29:58,084 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. [2018-04-12 19:29:58,084 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:170, output treesize:15 [2018-04-12 19:29:58,174 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:29:58,192 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:29:58,192 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 25] total 45 [2018-04-12 19:29:58,192 INFO L442 AbstractCegarLoop]: Interpolant automaton has 46 states [2018-04-12 19:29:58,192 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2018-04-12 19:29:58,192 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=1889, Unknown=0, NotChecked=0, Total=2070 [2018-04-12 19:29:58,192 INFO L87 Difference]: Start difference. First operand 371 states and 401 transitions. Second operand 46 states. [2018-04-12 19:30:00,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:30:00,880 INFO L93 Difference]: Finished difference Result 527 states and 563 transitions. [2018-04-12 19:30:00,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-04-12 19:30:00,880 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 75 [2018-04-12 19:30:00,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:30:00,881 INFO L225 Difference]: With dead ends: 527 [2018-04-12 19:30:00,881 INFO L226 Difference]: Without dead ends: 527 [2018-04-12 19:30:00,882 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 56 SyntacticMatches, 2 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2294 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=888, Invalid=6594, Unknown=0, NotChecked=0, Total=7482 [2018-04-12 19:30:00,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2018-04-12 19:30:00,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 379. [2018-04-12 19:30:00,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-04-12 19:30:00,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 410 transitions. [2018-04-12 19:30:00,884 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 410 transitions. Word has length 75 [2018-04-12 19:30:00,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:30:00,884 INFO L459 AbstractCegarLoop]: Abstraction has 379 states and 410 transitions. [2018-04-12 19:30:00,884 INFO L460 AbstractCegarLoop]: Interpolant automaton has 46 states. [2018-04-12 19:30:00,884 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 410 transitions. [2018-04-12 19:30:00,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-04-12 19:30:00,885 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:30:00,885 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-04-12 19:30:00,885 INFO L408 AbstractCegarLoop]: === Iteration 62 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:30:00,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1331269381, now seen corresponding path program 4 times [2018-04-12 19:30:00,885 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:30:00,885 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:30:00,886 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:30:00,886 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 19:30:00,886 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:30:00,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:30:00,894 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:30:01,356 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:30:01,356 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:30:01,374 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:30:01,379 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-04-12 19:30:01,405 INFO L242 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-04-12 19:30:01,405 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 19:30:01,407 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:30:01,411 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:01,411 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:01,412 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 [2018-04-12 19:30:01,412 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:01,417 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:01,417 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:21 [2018-04-12 19:30:01,440 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 [2018-04-12 19:30:01,441 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 8 treesize of output 7 [2018-04-12 19:30:01,441 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:01,443 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:01,475 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 [2018-04-12 19:30:01,477 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 8 treesize of output 7 [2018-04-12 19:30:01,477 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:01,478 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:01,486 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:01,486 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:43, output treesize:29 [2018-04-12 19:30:01,655 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:01,660 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:01,667 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:01,667 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 42 [2018-04-12 19:30:01,668 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:01,704 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:01,704 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:49 [2018-04-12 19:30:01,759 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 28 treesize of output 29 [2018-04-12 19:30:01,761 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 11 [2018-04-12 19:30:01,761 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:01,766 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:01,789 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 30 treesize of output 35 [2018-04-12 19:30:01,790 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:30:01,791 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:01,795 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:01,805 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:01,805 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:68, output treesize:85 [2018-04-12 19:30:01,966 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:01,967 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:01,968 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:01,969 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:01,969 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 [2018-04-12 19:30:01,969 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:01,984 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 14 treesize of output 29 [2018-04-12 19:30:01,984 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:01,999 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:01,999 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:115 [2018-04-12 19:30:02,053 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:02,054 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:02,061 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 113 treesize of output 113 [2018-04-12 19:30:02,063 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-04-12 19:30:02,063 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:02,077 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:02,100 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:02,106 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 94 [2018-04-12 19:30:02,108 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:30:02,108 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:02,118 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:02,140 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:02,141 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:145, output treesize:115 [2018-04-12 19:30:02,344 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:02,347 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 47 treesize of output 94 [2018-04-12 19:30:02,348 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:02,373 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:02,374 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:02,374 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 23 treesize of output 16 [2018-04-12 19:30:02,374 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:02,392 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. [2018-04-12 19:30:02,392 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:226, output treesize:219 [2018-04-12 19:30:02,461 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 278 treesize of output 176 [2018-04-12 19:30:02,464 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:30:02,464 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:02,481 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:02,506 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 250 treesize of output 242 [2018-04-12 19:30:02,507 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 23 [2018-04-12 19:30:02,507 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:02,522 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:02,539 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. [2018-04-12 19:30:02,540 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:286, output treesize:240 [2018-04-12 19:30:02,788 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 267 treesize of output 139 [2018-04-12 19:30:02,790 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 34 treesize of output 26 [2018-04-12 19:30:02,790 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:30:02,806 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 20 treesize of output 16 [2018-04-12 19:30:02,807 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:30:02,822 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 51 treesize of output 41 [2018-04-12 19:30:02,822 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:30:02,837 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 63 treesize of output 24 [2018-04-12 19:30:02,837 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:02,850 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-12 19:30:02,865 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2018-04-12 19:30:02,866 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 11 [2018-04-12 19:30:02,866 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:30:02,870 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:30:02,870 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:02,871 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:02,883 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. [2018-04-12 19:30:02,883 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 6 variables, input treesize:270, output treesize:27 [2018-04-12 19:30:03,004 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:30:03,022 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:30:03,022 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 23] total 43 [2018-04-12 19:30:03,022 INFO L442 AbstractCegarLoop]: Interpolant automaton has 44 states [2018-04-12 19:30:03,023 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2018-04-12 19:30:03,023 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=1764, Unknown=0, NotChecked=0, Total=1892 [2018-04-12 19:30:03,023 INFO L87 Difference]: Start difference. First operand 379 states and 410 transitions. Second operand 44 states. [2018-04-12 19:30:07,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:30:07,569 INFO L93 Difference]: Finished difference Result 575 states and 608 transitions. [2018-04-12 19:30:07,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-04-12 19:30:07,569 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 75 [2018-04-12 19:30:07,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:30:07,570 INFO L225 Difference]: With dead ends: 575 [2018-04-12 19:30:07,571 INFO L226 Difference]: Without dead ends: 575 [2018-04-12 19:30:07,571 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 58 SyntacticMatches, 3 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1309 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=512, Invalid=5340, Unknown=0, NotChecked=0, Total=5852 [2018-04-12 19:30:07,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2018-04-12 19:30:07,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 379. [2018-04-12 19:30:07,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-04-12 19:30:07,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 409 transitions. [2018-04-12 19:30:07,575 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 409 transitions. Word has length 75 [2018-04-12 19:30:07,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:30:07,575 INFO L459 AbstractCegarLoop]: Abstraction has 379 states and 409 transitions. [2018-04-12 19:30:07,575 INFO L460 AbstractCegarLoop]: Interpolant automaton has 44 states. [2018-04-12 19:30:07,575 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 409 transitions. [2018-04-12 19:30:07,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-04-12 19:30:07,575 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:30:07,575 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-04-12 19:30:07,575 INFO L408 AbstractCegarLoop]: === Iteration 63 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:30:07,575 INFO L82 PathProgramCache]: Analyzing trace with hash -1387704191, now seen corresponding path program 9 times [2018-04-12 19:30:07,576 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:30:07,576 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:30:07,576 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:30:07,576 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 19:30:07,576 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:30:07,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:30:07,583 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:30:07,872 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:30:07,872 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:30:07,873 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:30:07,878 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-04-12 19:30:07,923 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2018-04-12 19:30:07,923 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 19:30:07,925 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:30:07,930 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:07,930 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:07,931 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 [2018-04-12 19:30:07,931 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:07,934 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:07,934 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-04-12 19:30:07,939 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 [2018-04-12 19:30:07,939 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:30:07,940 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:07,940 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:07,944 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:07,944 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2018-04-12 19:30:08,013 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:08,016 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 27 treesize of output 28 [2018-04-12 19:30:08,017 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:30:08,017 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:08,021 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:08,029 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 [2018-04-12 19:30:08,030 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:30:08,030 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:08,031 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:08,037 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:08,037 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:49, output treesize:31 [2018-04-12 19:30:08,114 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 15 [2018-04-12 19:30:08,114 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:08,122 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. [2018-04-12 19:30:08,122 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:52, output treesize:51 [2018-04-12 19:30:08,166 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 51 treesize of output 57 [2018-04-12 19:30:08,169 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 51 [2018-04-12 19:30:08,169 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:08,191 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:30:08,192 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 37 [2018-04-12 19:30:08,193 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:30:08,208 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 19:30:08,243 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 3 case distinctions, treesize of input 58 treesize of output 72 [2018-04-12 19:30:08,245 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 62 [2018-04-12 19:30:08,246 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:08,279 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 56 [2018-04-12 19:30:08,280 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-04-12 19:30:08,297 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 19:30:08,301 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 45 treesize of output 46 [2018-04-12 19:30:08,302 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:30:08,302 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:08,310 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:08,339 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 3 xjuncts. [2018-04-12 19:30:08,339 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 5 variables, input treesize:76, output treesize:162 [2018-04-12 19:30:08,600 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 69 treesize of output 68 [2018-04-12 19:30:08,600 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:08,656 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 85 treesize of output 84 [2018-04-12 19:30:08,656 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:08,708 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 82 treesize of output 81 [2018-04-12 19:30:08,708 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:08,751 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 3 dim-1 vars, End of recursive call: 7 dim-0 vars, and 3 xjuncts. [2018-04-12 19:30:08,751 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 10 variables, input treesize:237, output treesize:234 [2018-04-12 19:30:08,873 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 3 case distinctions, treesize of input 111 treesize of output 149 [2018-04-12 19:30:08,875 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:30:08,877 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 119 treesize of output 117 [2018-04-12 19:30:08,877 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:08,951 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 111 treesize of output 110 [2018-04-12 19:30:08,951 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:09,000 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 19:30:09,166 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 3 case distinctions, treesize of input 93 treesize of output 103 [2018-04-12 19:30:09,169 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:30:09,170 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 89 treesize of output 84 [2018-04-12 19:30:09,170 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:09,251 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 90 treesize of output 89 [2018-04-12 19:30:09,251 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:09,309 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 19:30:09,510 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 3 new quantified variables, introduced 7 case distinctions, treesize of input 109 treesize of output 156 [2018-04-12 19:30:09,513 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 129 [2018-04-12 19:30:09,513 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:09,793 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:30:09,794 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 125 treesize of output 123 [2018-04-12 19:30:09,795 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:09,944 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:30:09,945 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:30:09,952 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 103 treesize of output 115 [2018-04-12 19:30:09,952 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2018-04-12 19:30:10,090 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 100 treesize of output 110 [2018-04-12 19:30:10,091 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 2 xjuncts. [2018-04-12 19:30:10,193 INFO L267 ElimStorePlain]: Start of recursive call 8: 4 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-12 19:30:10,455 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:30:10,458 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 90 treesize of output 76 [2018-04-12 19:30:10,460 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-12 19:30:10,461 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:10,472 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:10,494 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 120 [2018-04-12 19:30:10,498 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 119 treesize of output 118 [2018-04-12 19:30:10,498 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:10,640 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:30:10,641 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 0 case distinctions, treesize of input 96 treesize of output 84 [2018-04-12 19:30:10,641 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:30:10,753 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:30:10,754 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 73 [2018-04-12 19:30:10,754 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:10,872 INFO L267 ElimStorePlain]: Start of recursive call 15: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-04-12 19:30:11,149 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:11,149 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:30:11,153 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 98 [2018-04-12 19:30:11,155 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 35 treesize of output 26 [2018-04-12 19:30:11,155 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:11,170 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:11,172 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:11,172 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:30:11,175 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 88 treesize of output 84 [2018-04-12 19:30:11,177 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 36 [2018-04-12 19:30:11,177 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:11,192 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:11,194 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:11,213 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 95 treesize of output 107 [2018-04-12 19:30:11,215 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 99 [2018-04-12 19:30:11,216 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:11,286 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:30:11,287 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 82 treesize of output 79 [2018-04-12 19:30:11,287 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:11,330 INFO L267 ElimStorePlain]: Start of recursive call 23: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 19:30:11,354 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 109 treesize of output 126 [2018-04-12 19:30:11,357 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-04-12 19:30:11,358 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:11,540 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:30:11,541 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 104 treesize of output 97 [2018-04-12 19:30:11,541 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:11,670 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 105 [2018-04-12 19:30:11,670 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:11,749 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:30:11,750 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 99 [2018-04-12 19:30:11,751 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:30:11,821 INFO L267 ElimStorePlain]: Start of recursive call 26: 4 dim-1 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-04-12 19:30:12,137 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 3 new quantified variables, introduced 6 case distinctions, treesize of input 89 treesize of output 132 [2018-04-12 19:30:12,141 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 105 [2018-04-12 19:30:12,141 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:12,292 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:30:12,294 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 84 treesize of output 82 [2018-04-12 19:30:12,294 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:12,401 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 2 case distinctions, treesize of input 88 treesize of output 98 [2018-04-12 19:30:12,401 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 2 xjuncts. [2018-04-12 19:30:12,523 INFO L267 ElimStorePlain]: Start of recursive call 31: 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-12 19:30:12,529 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 81 treesize of output 78 [2018-04-12 19:30:12,530 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:30:12,531 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 19 treesize of output 17 [2018-04-12 19:30:12,532 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:12,548 INFO L267 ElimStorePlain]: Start of recursive call 35: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:12,823 INFO L267 ElimStorePlain]: Start of recursive call 1: 13 dim-0 vars, 6 dim-2 vars, End of recursive call: 19 dim-0 vars, and 11 xjuncts. [2018-04-12 19:30:12,823 INFO L202 ElimStorePlain]: Needed 36 recursive calls to eliminate 19 variables, input treesize:324, output treesize:826 [2018-04-12 19:30:13,102 WARN L151 SmtUtils]: Spent 127ms on a formula simplification. DAG size of input: 212 DAG size of output 55 [2018-04-12 19:30:13,318 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 96 [2018-04-12 19:30:13,320 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:30:13,320 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:13,331 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:13,334 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 99 treesize of output 100 [2018-04-12 19:30:13,335 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 14 treesize of output 13 [2018-04-12 19:30:13,335 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:13,350 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:13,352 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 83 treesize of output 84 [2018-04-12 19:30:13,354 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 14 treesize of output 13 [2018-04-12 19:30:13,354 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:13,367 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:13,410 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 3 xjuncts. [2018-04-12 19:30:13,410 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 8 variables, input treesize:274, output treesize:263 [2018-04-12 19:30:13,533 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:13,534 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:13,535 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:13,536 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:13,536 INFO L477 Elim1Store]: Elim1 did not use 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 128 [2018-04-12 19:30:13,536 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:13,609 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:13,609 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:13,610 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:13,610 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 104 treesize of output 132 [2018-04-12 19:30:13,610 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:13,684 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:13,685 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:13,686 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:13,687 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:13,687 INFO L477 Elim1Store]: Elim1 did not use 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 108 [2018-04-12 19:30:13,687 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:13,757 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 3 dim-1 vars, End of recursive call: 7 dim-0 vars, and 3 xjuncts. [2018-04-12 19:30:13,757 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 10 variables, input treesize:305, output treesize:343 [2018-04-12 19:30:13,942 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 149 treesize of output 188 [2018-04-12 19:30:13,946 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:30:13,946 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 157 treesize of output 160 [2018-04-12 19:30:13,947 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:14,122 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 144 [2018-04-12 19:30:14,122 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:14,177 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:14,347 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 6 case distinctions, treesize of input 124 treesize of output 159 [2018-04-12 19:30:14,351 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:30:14,351 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 136 treesize of output 139 [2018-04-12 19:30:14,351 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:14,474 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 124 [2018-04-12 19:30:14,474 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:14,521 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:14,638 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:14,646 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 124 treesize of output 135 [2018-04-12 19:30:14,648 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 132 [2018-04-12 19:30:14,649 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:14,728 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:30:14,729 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 96 treesize of output 87 [2018-04-12 19:30:14,729 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:14,777 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 19:30:14,919 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:14,920 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:14,936 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 7 case distinctions, treesize of input 144 treesize of output 169 [2018-04-12 19:30:14,941 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 167 treesize of output 164 [2018-04-12 19:30:14,941 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:15,146 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:30:15,147 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-12 19:30:15,147 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:30:15,423 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:30:15,423 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 114 treesize of output 107 [2018-04-12 19:30:15,424 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:15,552 INFO L267 ElimStorePlain]: Start of recursive call 11: 4 dim-1 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-04-12 19:30:15,837 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 3 case distinctions, treesize of input 140 treesize of output 162 [2018-04-12 19:30:15,839 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 161 treesize of output 160 [2018-04-12 19:30:15,839 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:15,913 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 19:30:16,241 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:16,241 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:16,245 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:16,246 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:16,247 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:16,256 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 3 case distinctions, treesize of input 152 treesize of output 171 [2018-04-12 19:30:16,262 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:30:16,272 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 167 treesize of output 153 [2018-04-12 19:30:16,274 INFO L267 ElimStorePlain]: Start of recursive call 18: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-04-12 19:30:16,510 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 133 treesize of output 132 [2018-04-12 19:30:16,510 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:16,629 INFO L267 ElimStorePlain]: Start of recursive call 17: 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2018-04-12 19:30:16,639 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:16,640 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:16,656 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 151 treesize of output 159 [2018-04-12 19:30:16,663 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 182 treesize of output 179 [2018-04-12 19:30:16,663 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:17,047 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:30:17,048 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 0 case distinctions, treesize of input 123 treesize of output 105 [2018-04-12 19:30:17,048 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:30:17,152 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:30:17,152 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 84 treesize of output 75 [2018-04-12 19:30:17,152 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:17,238 INFO L267 ElimStorePlain]: Start of recursive call 20: 5 dim-1 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-04-12 19:30:17,694 INFO L267 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 6 dim-2 vars, End of recursive call: 24 dim-0 vars, and 11 xjuncts. [2018-04-12 19:30:17,694 INFO L202 ElimStorePlain]: Needed 23 recursive calls to eliminate 16 variables, input treesize:424, output treesize:1294 [2018-04-12 19:30:18,114 WARN L151 SmtUtils]: Spent 160ms on a formula simplification. DAG size of input: 332 DAG size of output 73 [2018-04-12 19:30:18,119 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 97 treesize of output 87 [2018-04-12 19:30:18,121 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:30:18,121 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:18,140 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:30:18,140 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:18,154 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:18,204 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 120 treesize of output 114 [2018-04-12 19:30:18,207 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:30:18,207 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 110 treesize of output 104 [2018-04-12 19:30:18,208 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:18,265 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 97 [2018-04-12 19:30:18,265 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:18,316 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:30:18,318 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:30:18,318 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 102 treesize of output 89 [2018-04-12 19:30:18,318 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:18,355 INFO L267 ElimStorePlain]: Start of recursive call 5: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:18,386 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. [2018-04-12 19:30:18,387 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 9 variables, input treesize:218, output treesize:149 [2018-04-12 19:30:18,473 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:18,473 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 86 [2018-04-12 19:30:18,475 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 26 treesize of output 26 [2018-04-12 19:30:18,475 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:18,490 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:18,526 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:18,527 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 94 treesize of output 106 [2018-04-12 19:30:18,529 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 26 treesize of output 26 [2018-04-12 19:30:18,529 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:18,544 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:18,573 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-2 vars, End of recursive call: 6 dim-0 vars, and 2 xjuncts. [2018-04-12 19:30:18,573 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 8 variables, input treesize:177, output treesize:145 [2018-04-12 19:30:18,750 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:18,751 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:18,752 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 75 treesize of output 77 [2018-04-12 19:30:18,757 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 12 treesize of output 17 [2018-04-12 19:30:18,757 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:18,776 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:30:18,777 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-04-12 19:30:18,777 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:18,788 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:18,822 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:18,823 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:18,826 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:18,829 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 1 case distinctions, treesize of input 87 treesize of output 105 [2018-04-12 19:30:18,836 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 101 treesize of output 106 [2018-04-12 19:30:18,836 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 19:30:18,888 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 85 treesize of output 78 [2018-04-12 19:30:18,888 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:18,926 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 86 treesize of output 79 [2018-04-12 19:30:18,927 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:18,964 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:30:18,964 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 78 treesize of output 74 [2018-04-12 19:30:18,965 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:19,000 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 72 [2018-04-12 19:30:19,000 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:19,032 INFO L267 ElimStorePlain]: Start of recursive call 5: 5 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 19:30:19,079 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-2 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2018-04-12 19:30:19,079 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 8 variables, input treesize:163, output treesize:183 [2018-04-12 19:30:19,224 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:19,224 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:19,225 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 62 treesize of output 54 [2018-04-12 19:30:19,236 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 [2018-04-12 19:30:19,236 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 19:30:19,249 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2018-04-12 19:30:19,249 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:30:19,256 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:30:19,265 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. [2018-04-12 19:30:19,265 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:73, output treesize:24 [2018-04-12 19:30:19,404 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 9 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:30:19,421 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:30:19,421 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 31] total 53 [2018-04-12 19:30:19,422 INFO L442 AbstractCegarLoop]: Interpolant automaton has 54 states [2018-04-12 19:30:19,422 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2018-04-12 19:30:19,422 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=2596, Unknown=8, NotChecked=0, Total=2862 [2018-04-12 19:30:19,422 INFO L87 Difference]: Start difference. First operand 379 states and 409 transitions. Second operand 54 states. [2018-04-12 19:30:21,070 WARN L151 SmtUtils]: Spent 125ms on a formula simplification. DAG size of input: 146 DAG size of output 70 [2018-04-12 19:30:21,292 WARN L151 SmtUtils]: Spent 115ms on a formula simplification. DAG size of input: 165 DAG size of output 96 [2018-04-12 19:30:21,777 WARN L151 SmtUtils]: Spent 118ms on a formula simplification. DAG size of input: 177 DAG size of output 108 [2018-04-12 19:30:22,085 WARN L151 SmtUtils]: Spent 168ms on a formula simplification. DAG size of input: 182 DAG size of output 127 [2018-04-12 19:30:22,586 WARN L151 SmtUtils]: Spent 152ms on a formula simplification. DAG size of input: 123 DAG size of output 91 [2018-04-12 19:30:22,901 WARN L151 SmtUtils]: Spent 170ms on a formula simplification. DAG size of input: 154 DAG size of output 112 [2018-04-12 19:30:23,590 WARN L151 SmtUtils]: Spent 157ms on a formula simplification. DAG size of input: 182 DAG size of output 133 [2018-04-12 19:30:23,794 WARN L151 SmtUtils]: Spent 101ms on a formula simplification. DAG size of input: 154 DAG size of output 105 [2018-04-12 19:30:24,027 WARN L151 SmtUtils]: Spent 102ms on a formula simplification. DAG size of input: 161 DAG size of output 108 [2018-04-12 19:30:25,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:30:25,648 INFO L93 Difference]: Finished difference Result 478 states and 505 transitions. [2018-04-12 19:30:25,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-04-12 19:30:25,648 INFO L78 Accepts]: Start accepts. Automaton has 54 states. Word has length 77 [2018-04-12 19:30:25,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:30:25,649 INFO L225 Difference]: With dead ends: 478 [2018-04-12 19:30:25,649 INFO L226 Difference]: Without dead ends: 478 [2018-04-12 19:30:25,649 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 53 SyntacticMatches, 2 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3056 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=1474, Invalid=8810, Unknown=18, NotChecked=0, Total=10302 [2018-04-12 19:30:25,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2018-04-12 19:30:25,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 379. [2018-04-12 19:30:25,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-04-12 19:30:25,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 407 transitions. [2018-04-12 19:30:25,652 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 407 transitions. Word has length 77 [2018-04-12 19:30:25,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:30:25,652 INFO L459 AbstractCegarLoop]: Abstraction has 379 states and 407 transitions. [2018-04-12 19:30:25,652 INFO L460 AbstractCegarLoop]: Interpolant automaton has 54 states. [2018-04-12 19:30:25,652 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 407 transitions. [2018-04-12 19:30:25,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-04-12 19:30:25,652 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:30:25,652 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:30:25,652 INFO L408 AbstractCegarLoop]: === Iteration 64 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:30:25,652 INFO L82 PathProgramCache]: Analyzing trace with hash 1029993662, now seen corresponding path program 4 times [2018-04-12 19:30:25,652 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:30:25,652 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:30:25,653 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:30:25,653 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 19:30:25,653 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:30:25,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:30:25,663 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:30:25,946 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:30:25,946 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:30:25,946 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:30:25,952 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-04-12 19:30:25,971 INFO L242 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-04-12 19:30:25,971 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 19:30:25,973 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:30:25,979 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:25,980 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:25,980 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 [2018-04-12 19:30:25,980 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:25,986 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:25,986 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-04-12 19:30:26,010 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 [2018-04-12 19:30:26,012 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:30:26,012 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:26,013 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:26,020 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:26,020 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:35, output treesize:32 [2018-04-12 19:30:26,085 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:26,085 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:26,086 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:26,086 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 [2018-04-12 19:30:26,086 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:26,090 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:26,091 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:31 [2018-04-12 19:30:26,114 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:26,116 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 35 treesize of output 36 [2018-04-12 19:30:26,123 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:30:26,123 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:26,128 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:26,139 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:26,139 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:47, output treesize:40 [2018-04-12 19:30:26,218 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:26,219 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:26,219 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 33 [2018-04-12 19:30:26,220 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:26,230 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. [2018-04-12 19:30:26,230 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:74, output treesize:76 [2018-04-12 19:30:26,263 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 [2018-04-12 19:30:26,265 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:30:26,265 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:26,266 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:26,279 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:26,280 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:30:26,284 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 91 treesize of output 91 [2018-04-12 19:30:26,287 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 8 treesize of output 7 [2018-04-12 19:30:26,287 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:26,297 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:26,308 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. [2018-04-12 19:30:26,308 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:95, output treesize:88 [2018-04-12 19:30:26,423 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 33 treesize of output 52 [2018-04-12 19:30:26,423 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:26,436 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. [2018-04-12 19:30:26,437 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:125, output treesize:124 [2018-04-12 19:30:26,494 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 3 case distinctions, treesize of input 42 treesize of output 60 [2018-04-12 19:30:26,496 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 62 [2018-04-12 19:30:26,496 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:26,514 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:26,565 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 143 treesize of output 143 [2018-04-12 19:30:26,565 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-04-12 19:30:26,576 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:30:26,577 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 0 case distinctions, treesize of input 137 treesize of output 113 [2018-04-12 19:30:26,577 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:30:27,131 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:30:27,994 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:30:28,531 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:30:28,817 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 97 treesize of output 93 [2018-04-12 19:30:28,818 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 19:30:29,650 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 140 treesize of output 151 [2018-04-12 19:30:29,651 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:30,049 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 115 treesize of output 145 [2018-04-12 19:30:30,050 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 19:30:30,255 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:30:30,439 INFO L267 ElimStorePlain]: Start of recursive call 4: 14 dim-1 vars, End of recursive call: 7 dim-0 vars, and 9 xjuncts. [2018-04-12 19:30:30,672 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 29 dim-0 vars, and 9 xjuncts. [2018-04-12 19:30:30,672 INFO L202 ElimStorePlain]: Needed 12 recursive calls to eliminate 5 variables, input treesize:143, output treesize:1186 [2018-04-12 19:30:30,978 WARN L151 SmtUtils]: Spent 138ms on a formula simplification. DAG size of input: 289 DAG size of output 124 [2018-04-12 19:30:30,992 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 108 treesize of output 88 [2018-04-12 19:30:30,994 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:30:30,994 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:31,005 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:30:31,005 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:31,014 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:31,077 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 160 treesize of output 132 [2018-04-12 19:30:31,079 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 117 [2018-04-12 19:30:31,079 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:31,112 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 117 treesize of output 110 [2018-04-12 19:30:31,112 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:31,141 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 98 [2018-04-12 19:30:31,142 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:31,158 INFO L267 ElimStorePlain]: Start of recursive call 5: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:31,209 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 96 treesize of output 80 [2018-04-12 19:30:31,210 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:30:31,211 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:31,221 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 [2018-04-12 19:30:31,221 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:31,229 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:31,277 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 160 treesize of output 100 [2018-04-12 19:30:31,278 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 24 [2018-04-12 19:30:31,279 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:31,288 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:30:31,332 INFO L267 ElimStorePlain]: Start of recursive call 1: 11 dim-0 vars, 4 dim-2 vars, End of recursive call: 10 dim-0 vars, and 4 xjuncts. [2018-04-12 19:30:31,332 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 15 variables, input treesize:525, output treesize:317 [2018-04-12 19:30:34,139 WARN L151 SmtUtils]: Spent 2746ms on a formula simplification. DAG size of input: 99 DAG size of output 77 [2018-04-12 19:30:34,521 WARN L148 SmtUtils]: Spent 322ms on a formula simplification that was a NOOP. DAG size: 77 [2018-04-12 19:30:34,535 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 76 treesize of output 87 [2018-04-12 19:30:34,535 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:34,582 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 88 treesize of output 87 [2018-04-12 19:30:34,582 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:34,622 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 72 treesize of output 83 [2018-04-12 19:30:34,623 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:34,659 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 3 dim-1 vars, End of recursive call: 7 dim-0 vars, and 3 xjuncts. [2018-04-12 19:30:34,659 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 10 variables, input treesize:237, output treesize:234 [2018-04-12 19:30:35,009 WARN L148 SmtUtils]: Spent 297ms on a formula simplification that was a NOOP. DAG size: 80 [2018-04-12 19:30:35,042 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 5 new quantified variables, introduced 9 case distinctions, treesize of input 83 treesize of output 118 [2018-04-12 19:30:35,042 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-04-12 19:30:35,049 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 95 [2018-04-12 19:30:35,050 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:35,541 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:30:35,641 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 79 treesize of output 85 [2018-04-12 19:30:35,641 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 19:30:35,928 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 0 case distinctions, treesize of input 73 treesize of output 62 [2018-04-12 19:30:35,929 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:30:36,108 INFO L267 ElimStorePlain]: Start of recursive call 2: 10 dim-1 vars, End of recursive call: 3 dim-0 vars, and 6 xjuncts. [2018-04-12 19:30:36,294 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 95 treesize of output 123 [2018-04-12 19:30:36,294 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-04-12 19:30:36,304 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 0 case distinctions, treesize of input 97 treesize of output 78 [2018-04-12 19:30:36,304 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:30:36,631 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:30:36,818 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:30:37,374 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:30:37,559 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:30:38,144 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 91 [2018-04-12 19:30:38,144 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:38,390 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 73 treesize of output 77 [2018-04-12 19:30:38,391 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 19:30:38,743 INFO L267 ElimStorePlain]: Start of recursive call 7: 14 dim-1 vars, End of recursive call: 6 dim-0 vars, and 7 xjuncts. [2018-04-12 19:30:39,067 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 5 new quantified variables, introduced 9 case distinctions, treesize of input 79 treesize of output 114 [2018-04-12 19:30:39,068 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-04-12 19:30:39,079 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 89 treesize of output 86 [2018-04-12 19:30:39,079 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:30:39,565 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 71 treesize of output 73 [2018-04-12 19:30:39,566 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 19:30:39,752 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 71 treesize of output 77 [2018-04-12 19:30:39,753 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 19:30:40,431 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 76 treesize of output 75 [2018-04-12 19:30:40,431 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:40,552 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:30:40,777 INFO L267 ElimStorePlain]: Start of recursive call 15: 10 dim-1 vars, End of recursive call: 3 dim-0 vars, and 7 xjuncts. [2018-04-12 19:30:41,275 INFO L267 ElimStorePlain]: Start of recursive call 1: 13 dim-0 vars, 3 dim-2 vars, End of recursive call: 69 dim-0 vars, and 20 xjuncts. [2018-04-12 19:30:41,275 INFO L202 ElimStorePlain]: Needed 20 recursive calls to eliminate 16 variables, input treesize:258, output treesize:1541 [2018-04-12 19:30:54,792 WARN L151 SmtUtils]: Spent 13106ms on a formula simplification. DAG size of input: 535 DAG size of output 107 [2018-04-12 19:30:55,932 WARN L148 SmtUtils]: Spent 1044ms on a formula simplification that was a NOOP. DAG size: 107 [2018-04-12 19:30:55,951 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 64 treesize of output 55 [2018-04-12 19:30:55,952 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 5 [2018-04-12 19:30:55,953 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:30:55,962 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:30:55,962 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:55,970 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 [2018-04-12 19:30:55,970 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:55,975 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:30:56,012 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 67 treesize of output 56 [2018-04-12 19:30:56,013 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-12 19:30:56,014 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:56,022 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:30:56,022 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:56,028 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2018-04-12 19:30:56,028 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:30:56,033 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:30:56,073 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 72 treesize of output 54 [2018-04-12 19:30:56,074 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-12 19:30:56,075 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:30:56,086 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 31 treesize of output 18 [2018-04-12 19:30:56,086 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:56,095 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 5 [2018-04-12 19:30:56,095 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:30:56,103 INFO L267 ElimStorePlain]: Start of recursive call 10: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-12 19:30:56,143 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 60 treesize of output 54 [2018-04-12 19:30:56,145 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 13 treesize of output 5 [2018-04-12 19:30:56,145 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-12 19:30:56,155 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 5 [2018-04-12 19:30:56,156 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:30:56,165 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 14 treesize of output 10 [2018-04-12 19:30:56,165 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:30:56,173 INFO L267 ElimStorePlain]: Start of recursive call 14: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-12 19:30:56,204 INFO L267 ElimStorePlain]: Start of recursive call 1: 15 dim-0 vars, 4 dim-2 vars, End of recursive call: 11 dim-0 vars, and 4 xjuncts. [2018-04-12 19:30:56,205 INFO L202 ElimStorePlain]: Needed 17 recursive calls to eliminate 19 variables, input treesize:264, output treesize:96 [2018-04-12 19:30:56,357 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:30:56,380 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:30:56,380 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 47 [2018-04-12 19:30:56,381 INFO L442 AbstractCegarLoop]: Interpolant automaton has 48 states [2018-04-12 19:30:56,381 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2018-04-12 19:30:56,381 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=254, Invalid=2000, Unknown=2, NotChecked=0, Total=2256 [2018-04-12 19:30:56,381 INFO L87 Difference]: Start difference. First operand 379 states and 407 transitions. Second operand 48 states. [2018-04-12 19:30:58,194 WARN L151 SmtUtils]: Spent 107ms on a formula simplification. DAG size of input: 152 DAG size of output 103 [2018-04-12 19:31:00,743 WARN L151 SmtUtils]: Spent 2468ms on a formula simplification. DAG size of input: 111 DAG size of output 92 [2018-04-12 19:31:00,962 WARN L151 SmtUtils]: Spent 110ms on a formula simplification. DAG size of input: 182 DAG size of output 108 [2018-04-12 19:31:02,327 WARN L151 SmtUtils]: Spent 1268ms on a formula simplification. DAG size of input: 92 DAG size of output 83 [2018-04-12 19:31:05,442 WARN L151 SmtUtils]: Spent 3060ms on a formula simplification. DAG size of input: 104 DAG size of output 85 [2018-04-12 19:31:06,262 WARN L151 SmtUtils]: Spent 756ms on a formula simplification. DAG size of input: 199 DAG size of output 83 [2018-04-12 19:31:07,305 WARN L151 SmtUtils]: Spent 780ms on a formula simplification. DAG size of input: 107 DAG size of output 88 [2018-04-12 19:31:08,944 WARN L151 SmtUtils]: Spent 1458ms on a formula simplification. DAG size of input: 136 DAG size of output 120 [2018-04-12 19:31:14,020 WARN L151 SmtUtils]: Spent 4531ms on a formula simplification. DAG size of input: 171 DAG size of output 112 [2018-04-12 19:31:16,867 WARN L151 SmtUtils]: Spent 2796ms on a formula simplification. DAG size of input: 112 DAG size of output 105 [2018-04-12 19:31:19,005 WARN L151 SmtUtils]: Spent 2059ms on a formula simplification. DAG size of input: 122 DAG size of output 108 [2018-04-12 19:31:22,399 WARN L151 SmtUtils]: Spent 3234ms on a formula simplification. DAG size of input: 174 DAG size of output 115 [2018-04-12 19:31:23,948 WARN L151 SmtUtils]: Spent 1345ms on a formula simplification. DAG size of input: 168 DAG size of output 109 [2018-04-12 19:31:26,365 WARN L151 SmtUtils]: Spent 1960ms on a formula simplification. DAG size of input: 115 DAG size of output 108 [2018-04-12 19:31:27,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:31:27,005 INFO L93 Difference]: Finished difference Result 488 states and 517 transitions. [2018-04-12 19:31:27,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-04-12 19:31:27,006 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 77 [2018-04-12 19:31:27,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:31:27,007 INFO L225 Difference]: With dead ends: 488 [2018-04-12 19:31:27,007 INFO L226 Difference]: Without dead ends: 488 [2018-04-12 19:31:27,007 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 55 SyntacticMatches, 2 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2717 ImplicationChecksByTransitivity, 47.5s TimeCoverageRelationStatistics Valid=1427, Invalid=7691, Unknown=2, NotChecked=0, Total=9120 [2018-04-12 19:31:27,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2018-04-12 19:31:27,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 379. [2018-04-12 19:31:27,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-04-12 19:31:27,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 405 transitions. [2018-04-12 19:31:27,009 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 405 transitions. Word has length 77 [2018-04-12 19:31:27,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:31:27,010 INFO L459 AbstractCegarLoop]: Abstraction has 379 states and 405 transitions. [2018-04-12 19:31:27,010 INFO L460 AbstractCegarLoop]: Interpolant automaton has 48 states. [2018-04-12 19:31:27,010 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 405 transitions. [2018-04-12 19:31:27,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-04-12 19:31:27,010 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:31:27,010 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:31:27,010 INFO L408 AbstractCegarLoop]: === Iteration 65 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:31:27,010 INFO L82 PathProgramCache]: Analyzing trace with hash 1718636056, now seen corresponding path program 1 times [2018-04-12 19:31:27,010 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:31:27,010 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:31:27,011 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:31:27,011 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 19:31:27,011 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:31:27,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:31:27,015 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:31:27,214 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:31:27,214 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:31:27,215 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:31:27,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:31:27,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:31:27,242 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:31:27,248 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:27,248 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:27,249 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 [2018-04-12 19:31:27,249 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:27,257 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:27,257 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-04-12 19:31:27,281 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 [2018-04-12 19:31:27,282 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 [2018-04-12 19:31:27,282 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:27,283 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:27,295 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 [2018-04-12 19:31:27,296 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:31:27,296 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:27,298 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:27,306 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:27,306 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:43, output treesize:36 [2018-04-12 19:31:27,334 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 [2018-04-12 19:31:27,336 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:31:27,336 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:27,337 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:27,342 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:27,343 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:44, output treesize:33 [2018-04-12 19:31:27,389 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:27,389 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:27,390 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:27,390 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 [2018-04-12 19:31:27,390 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:27,394 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:27,395 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:31 [2018-04-12 19:31:27,415 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 36 treesize of output 32 [2018-04-12 19:31:27,416 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 11 [2018-04-12 19:31:27,416 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:27,419 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:27,423 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:27,423 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:40, output treesize:37 [2018-04-12 19:31:27,499 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 [2018-04-12 19:31:27,506 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:31:27,506 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:27,507 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:27,510 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. [2018-04-12 19:31:27,510 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:51, output treesize:44 [2018-04-12 19:31:27,581 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 35 [2018-04-12 19:31:27,585 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 19 [2018-04-12 19:31:27,585 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 19:31:27,592 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 9 [2018-04-12 19:31:27,592 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:27,593 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:31:27,593 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:27,601 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 19:31:27,608 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-12 19:31:27,608 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:59, output treesize:27 [2018-04-12 19:31:27,652 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:27,656 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 22 [2018-04-12 19:31:27,656 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-04-12 19:31:27,674 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:27,675 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 19 treesize of output 24 [2018-04-12 19:31:27,675 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:27,690 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 3 xjuncts. [2018-04-12 19:31:27,690 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:39, output treesize:46 [2018-04-12 19:31:27,771 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:31:27,789 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:31:27,789 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18] total 35 [2018-04-12 19:31:27,789 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-04-12 19:31:27,789 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-04-12 19:31:27,789 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1152, Unknown=0, NotChecked=0, Total=1260 [2018-04-12 19:31:27,790 INFO L87 Difference]: Start difference. First operand 379 states and 405 transitions. Second operand 36 states. [2018-04-12 19:31:29,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:31:29,272 INFO L93 Difference]: Finished difference Result 390 states and 413 transitions. [2018-04-12 19:31:29,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-12 19:31:29,272 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 78 [2018-04-12 19:31:29,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:31:29,272 INFO L225 Difference]: With dead ends: 390 [2018-04-12 19:31:29,273 INFO L226 Difference]: Without dead ends: 390 [2018-04-12 19:31:29,273 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 718 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=430, Invalid=2992, Unknown=0, NotChecked=0, Total=3422 [2018-04-12 19:31:29,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2018-04-12 19:31:29,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 384. [2018-04-12 19:31:29,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2018-04-12 19:31:29,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 410 transitions. [2018-04-12 19:31:29,275 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 410 transitions. Word has length 78 [2018-04-12 19:31:29,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:31:29,275 INFO L459 AbstractCegarLoop]: Abstraction has 384 states and 410 transitions. [2018-04-12 19:31:29,275 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-04-12 19:31:29,275 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 410 transitions. [2018-04-12 19:31:29,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-04-12 19:31:29,275 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:31:29,275 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:31:29,276 INFO L408 AbstractCegarLoop]: === Iteration 66 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:31:29,276 INFO L82 PathProgramCache]: Analyzing trace with hash -418133105, now seen corresponding path program 1 times [2018-04-12 19:31:29,276 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:31:29,276 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:31:29,276 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:31:29,276 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:31:29,276 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:31:29,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:31:29,284 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:31:30,522 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:31:30,522 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:31:30,522 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:31:30,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:31:30,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:31:30,550 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:31:30,584 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:30,584 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 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 25 [2018-04-12 19:31:30,585 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:30,592 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:30,592 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:34 [2018-04-12 19:31:30,622 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 [2018-04-12 19:31:30,624 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:31:30,624 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:30,625 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:30,636 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 [2018-04-12 19:31:30,637 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:31:30,637 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:30,639 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:30,648 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:30,648 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:53, output treesize:50 [2018-04-12 19:31:30,685 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 [2018-04-12 19:31:30,686 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 11 treesize of output 3 [2018-04-12 19:31:30,686 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:30,687 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:30,694 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:30,694 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:58, output treesize:47 [2018-04-12 19:31:30,760 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:30,761 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:30,761 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:30,761 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 46 [2018-04-12 19:31:30,762 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:30,772 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:30,772 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:58, output treesize:64 [2018-04-12 19:31:30,819 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 54 treesize of output 50 [2018-04-12 19:31:30,820 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 11 [2018-04-12 19:31:30,820 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:30,826 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:30,835 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:30,836 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:73, output treesize:78 [2018-04-12 19:31:31,172 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 [2018-04-12 19:31:31,173 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:31:31,173 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:31,174 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:31,183 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. [2018-04-12 19:31:31,183 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:92, output treesize:85 [2018-04-12 19:31:31,274 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:31,275 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 34 treesize of output 74 [2018-04-12 19:31:31,275 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:31,284 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. [2018-04-12 19:31:31,284 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:91, output treesize:65 [2018-04-12 19:31:31,330 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:31,332 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 62 treesize of output 46 [2018-04-12 19:31:31,333 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 [2018-04-12 19:31:31,333 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:31,343 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 19 treesize of output 18 [2018-04-12 19:31:31,343 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 19:31:31,351 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 19:31:31,364 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. [2018-04-12 19:31:31,364 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:75, output treesize:71 [2018-04-12 19:31:31,431 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:31,432 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:31,434 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:31,441 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 43 treesize of output 58 [2018-04-12 19:31:31,442 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2018-04-12 19:31:31,494 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:31,494 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:31,495 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:31,495 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 39 treesize of output 49 [2018-04-12 19:31:31,495 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:31,538 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-1 vars, End of recursive call: 9 dim-0 vars, and 4 xjuncts. [2018-04-12 19:31:31,538 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 7 variables, input treesize:83, output treesize:150 [2018-04-12 19:31:32,655 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:32,656 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:32,656 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:32,656 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 [2018-04-12 19:31:32,657 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:32,664 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. [2018-04-12 19:31:32,664 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:36, output treesize:38 [2018-04-12 19:31:32,751 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:31:32,768 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:31:32,768 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 24] total 46 [2018-04-12 19:31:32,768 INFO L442 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-04-12 19:31:32,768 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-04-12 19:31:32,768 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=2045, Unknown=0, NotChecked=0, Total=2162 [2018-04-12 19:31:32,768 INFO L87 Difference]: Start difference. First operand 384 states and 410 transitions. Second operand 47 states. [2018-04-12 19:31:35,483 WARN L151 SmtUtils]: Spent 154ms on a formula simplification. DAG size of input: 110 DAG size of output 87 [2018-04-12 19:31:35,976 WARN L151 SmtUtils]: Spent 298ms on a formula simplification. DAG size of input: 116 DAG size of output 115 [2018-04-12 19:31:36,275 WARN L151 SmtUtils]: Spent 176ms on a formula simplification. DAG size of input: 109 DAG size of output 108 [2018-04-12 19:31:36,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:31:36,928 INFO L93 Difference]: Finished difference Result 387 states and 412 transitions. [2018-04-12 19:31:36,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-12 19:31:36,928 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 81 [2018-04-12 19:31:36,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:31:36,929 INFO L225 Difference]: With dead ends: 387 [2018-04-12 19:31:36,929 INFO L226 Difference]: Without dead ends: 330 [2018-04-12 19:31:36,929 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 67 SyntacticMatches, 9 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 906 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=354, Invalid=4616, Unknown=0, NotChecked=0, Total=4970 [2018-04-12 19:31:36,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2018-04-12 19:31:36,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 330. [2018-04-12 19:31:36,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 330 states. [2018-04-12 19:31:36,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 355 transitions. [2018-04-12 19:31:36,931 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 355 transitions. Word has length 81 [2018-04-12 19:31:36,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:31:36,931 INFO L459 AbstractCegarLoop]: Abstraction has 330 states and 355 transitions. [2018-04-12 19:31:36,931 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-04-12 19:31:36,931 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 355 transitions. [2018-04-12 19:31:36,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-04-12 19:31:36,931 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:31:36,932 INFO L355 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-04-12 19:31:36,932 INFO L408 AbstractCegarLoop]: === Iteration 67 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:31:36,932 INFO L82 PathProgramCache]: Analyzing trace with hash -1939749940, now seen corresponding path program 10 times [2018-04-12 19:31:36,932 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:31:36,932 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:31:36,932 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:31:36,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:31:36,932 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:31:36,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:31:36,941 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:31:37,597 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 34 proven. 42 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 19:31:37,597 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:31:37,597 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:31:37,604 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-04-12 19:31:37,626 INFO L242 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-04-12 19:31:37,626 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 19:31:37,628 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:31:37,661 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:37,662 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:37,662 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 [2018-04-12 19:31:37,662 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:37,668 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:37,668 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:21 [2018-04-12 19:31:37,691 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 [2018-04-12 19:31:37,692 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:31:37,692 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:37,694 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:37,710 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 [2018-04-12 19:31:37,711 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 8 treesize of output 7 [2018-04-12 19:31:37,711 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:37,712 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:37,718 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:37,719 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:43, output treesize:29 [2018-04-12 19:31:37,797 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:37,798 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:37,798 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:37,799 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 [2018-04-12 19:31:37,799 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:37,803 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:37,803 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:42, output treesize:35 [2018-04-12 19:31:37,837 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:37,839 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 35 treesize of output 36 [2018-04-12 19:31:37,840 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 11 [2018-04-12 19:31:37,840 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:37,845 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:37,855 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 30 treesize of output 35 [2018-04-12 19:31:37,862 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:31:37,862 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:37,866 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:37,872 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:37,872 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:57, output treesize:47 [2018-04-12 19:31:37,965 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:31:37,965 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:37,972 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:37,972 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:84, output treesize:83 [2018-04-12 19:31:38,005 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:38,006 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:38,011 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 90 [2018-04-12 19:31:38,012 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 19 [2018-04-12 19:31:38,012 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:38,021 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:38,033 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:38,038 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 81 treesize of output 98 [2018-04-12 19:31:38,040 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 19 [2018-04-12 19:31:38,040 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:38,048 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:38,059 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:38,059 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:105, output treesize:103 [2018-04-12 19:31:38,139 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 69 treesize of output 38 [2018-04-12 19:31:38,140 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:31:38,140 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:38,142 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:38,153 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. [2018-04-12 19:31:38,153 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:244, output treesize:212 [2018-04-12 19:31:38,412 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 234 treesize of output 154 [2018-04-12 19:31:38,414 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 101 treesize of output 74 [2018-04-12 19:31:38,414 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:38,426 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-12 19:31:38,426 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:38,437 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 109 treesize of output 97 [2018-04-12 19:31:38,437 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:31:38,446 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:31:38,456 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. [2018-04-12 19:31:38,456 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:242, output treesize:108 [2018-04-12 19:31:38,572 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 109 treesize of output 63 [2018-04-12 19:31:38,573 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 [2018-04-12 19:31:38,573 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:38,579 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 22 [2018-04-12 19:31:38,580 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:38,584 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 [2018-04-12 19:31:38,584 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:38,587 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:38,591 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. [2018-04-12 19:31:38,591 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:112, output treesize:25 [2018-04-12 19:31:38,679 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 7 [2018-04-12 19:31:38,679 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:38,682 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. [2018-04-12 19:31:38,682 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:32, output treesize:19 [2018-04-12 19:31:38,728 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 [2018-04-12 19:31:38,731 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 15 treesize of output 12 [2018-04-12 19:31:38,731 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 19:31:38,733 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 19:31:38,739 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-12 19:31:38,739 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:28, output treesize:21 [2018-04-12 19:31:38,815 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 11 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:31:38,833 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:31:38,834 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 26] total 55 [2018-04-12 19:31:38,834 INFO L442 AbstractCegarLoop]: Interpolant automaton has 55 states [2018-04-12 19:31:38,834 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2018-04-12 19:31:38,834 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=2793, Unknown=0, NotChecked=0, Total=2970 [2018-04-12 19:31:38,834 INFO L87 Difference]: Start difference. First operand 330 states and 355 transitions. Second operand 55 states. [2018-04-12 19:31:41,758 WARN L151 SmtUtils]: Spent 113ms on a formula simplification. DAG size of input: 125 DAG size of output 120 [2018-04-12 19:31:42,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:31:42,887 INFO L93 Difference]: Finished difference Result 390 states and 412 transitions. [2018-04-12 19:31:42,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-12 19:31:42,887 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 82 [2018-04-12 19:31:42,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:31:42,888 INFO L225 Difference]: With dead ends: 390 [2018-04-12 19:31:42,888 INFO L226 Difference]: Without dead ends: 385 [2018-04-12 19:31:42,889 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 61 SyntacticMatches, 1 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1766 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=667, Invalid=6305, Unknown=0, NotChecked=0, Total=6972 [2018-04-12 19:31:42,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2018-04-12 19:31:42,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 330. [2018-04-12 19:31:42,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 330 states. [2018-04-12 19:31:42,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 354 transitions. [2018-04-12 19:31:42,891 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 354 transitions. Word has length 82 [2018-04-12 19:31:42,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:31:42,891 INFO L459 AbstractCegarLoop]: Abstraction has 330 states and 354 transitions. [2018-04-12 19:31:42,891 INFO L460 AbstractCegarLoop]: Interpolant automaton has 55 states. [2018-04-12 19:31:42,891 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 354 transitions. [2018-04-12 19:31:42,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-04-12 19:31:42,892 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:31:42,892 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 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] [2018-04-12 19:31:42,892 INFO L408 AbstractCegarLoop]: === Iteration 68 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:31:42,892 INFO L82 PathProgramCache]: Analyzing trace with hash 2102013648, now seen corresponding path program 11 times [2018-04-12 19:31:42,892 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:31:42,892 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:31:42,893 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:31:42,893 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 19:31:42,893 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:31:42,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:31:42,901 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:31:43,263 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:31:43,263 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:31:43,263 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:31:43,269 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-04-12 19:31:43,296 INFO L242 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2018-04-12 19:31:43,297 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 19:31:43,299 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:31:43,304 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:43,304 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:43,305 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 [2018-04-12 19:31:43,305 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:43,311 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:43,312 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-04-12 19:31:43,346 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 [2018-04-12 19:31:43,347 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:31:43,347 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:43,349 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:43,359 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 [2018-04-12 19:31:43,360 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:31:43,360 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:43,366 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:43,374 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:43,374 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:43, output treesize:36 [2018-04-12 19:31:43,469 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:43,469 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:43,470 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:43,470 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 46 [2018-04-12 19:31:43,470 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:43,481 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:43,481 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:58, output treesize:64 [2018-04-12 19:31:43,520 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:43,522 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 26 treesize of output 31 [2018-04-12 19:31:43,524 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:31:43,524 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:43,528 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:43,542 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:43,544 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 55 treesize of output 56 [2018-04-12 19:31:43,545 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 [2018-04-12 19:31:43,545 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:43,552 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:43,563 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:43,563 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:86, output treesize:83 [2018-04-12 19:31:43,713 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:43,714 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:43,714 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:43,715 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:43,715 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 [2018-04-12 19:31:43,716 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:43,741 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. [2018-04-12 19:31:43,741 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:119, output treesize:111 [2018-04-12 19:31:43,788 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:43,788 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:43,793 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 48 treesize of output 73 [2018-04-12 19:31:43,795 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:31:43,795 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:43,805 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:43,825 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:43,826 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:43,829 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:43,830 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 116 treesize of output 121 [2018-04-12 19:31:43,832 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 22 treesize of output 20 [2018-04-12 19:31:43,832 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:43,845 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:43,860 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. [2018-04-12 19:31:43,860 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:136, output treesize:110 [2018-04-12 19:31:44,006 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 72 treesize of output 101 [2018-04-12 19:31:44,007 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:31:44,007 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:44,017 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:44,038 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:44,044 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:44,046 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 174 treesize of output 140 [2018-04-12 19:31:44,049 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:31:44,049 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:44,071 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:44,099 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-12 19:31:44,099 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 7 variables, input treesize:210, output treesize:140 [2018-04-12 19:31:44,315 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 67 treesize of output 49 [2018-04-12 19:31:44,316 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:31:44,317 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 21 [2018-04-12 19:31:44,317 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:44,324 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 21 [2018-04-12 19:31:44,324 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:44,329 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:44,341 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. [2018-04-12 19:31:44,342 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:170, output treesize:118 [2018-04-12 19:31:44,451 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:44,453 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:44,453 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 5 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 69 [2018-04-12 19:31:44,456 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:31:44,460 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 39 [2018-04-12 19:31:44,461 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 19:31:44,473 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 36 treesize of output 30 [2018-04-12 19:31:44,473 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:44,478 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-12 19:31:44,478 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:44,480 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:44,483 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:44,483 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:119, output treesize:5 [2018-04-12 19:31:44,524 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:31:44,542 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:31:44,542 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 23] total 46 [2018-04-12 19:31:44,542 INFO L442 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-04-12 19:31:44,542 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-04-12 19:31:44,543 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=2007, Unknown=5, NotChecked=0, Total=2162 [2018-04-12 19:31:44,543 INFO L87 Difference]: Start difference. First operand 330 states and 354 transitions. Second operand 47 states. [2018-04-12 19:31:49,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:31:49,564 INFO L93 Difference]: Finished difference Result 431 states and 461 transitions. [2018-04-12 19:31:49,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-04-12 19:31:49,564 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 84 [2018-04-12 19:31:49,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:31:49,565 INFO L225 Difference]: With dead ends: 431 [2018-04-12 19:31:49,565 INFO L226 Difference]: Without dead ends: 431 [2018-04-12 19:31:49,565 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 68 SyntacticMatches, 3 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1673 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=503, Invalid=5644, Unknown=15, NotChecked=0, Total=6162 [2018-04-12 19:31:49,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2018-04-12 19:31:49,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 338. [2018-04-12 19:31:49,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2018-04-12 19:31:49,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 363 transitions. [2018-04-12 19:31:49,567 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 363 transitions. Word has length 84 [2018-04-12 19:31:49,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:31:49,567 INFO L459 AbstractCegarLoop]: Abstraction has 338 states and 363 transitions. [2018-04-12 19:31:49,567 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-04-12 19:31:49,567 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 363 transitions. [2018-04-12 19:31:49,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-04-12 19:31:49,568 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:31:49,568 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 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] [2018-04-12 19:31:49,568 INFO L408 AbstractCegarLoop]: === Iteration 69 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:31:49,568 INFO L82 PathProgramCache]: Analyzing trace with hash 2102013649, now seen corresponding path program 8 times [2018-04-12 19:31:49,568 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:31:49,568 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:31:49,569 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:31:49,569 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 19:31:49,569 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:31:49,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:31:49,576 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:31:50,013 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:31:50,013 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:31:50,013 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:31:50,018 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 19:31:50,048 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 19:31:50,048 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 19:31:50,051 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:31:50,132 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:50,133 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:50,133 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 [2018-04-12 19:31:50,133 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:50,139 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:50,139 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-04-12 19:31:50,174 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 [2018-04-12 19:31:50,176 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:31:50,176 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:50,177 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:50,186 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 [2018-04-12 19:31:50,188 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 [2018-04-12 19:31:50,188 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:50,189 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:50,197 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:50,197 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:46, output treesize:32 [2018-04-12 19:31:50,307 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:50,308 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:50,308 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:50,309 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 46 [2018-04-12 19:31:50,309 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:50,318 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:50,318 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:51, output treesize:57 [2018-04-12 19:31:50,355 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:50,357 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 44 treesize of output 45 [2018-04-12 19:31:50,359 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 11 [2018-04-12 19:31:50,359 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:50,364 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:50,380 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 30 treesize of output 35 [2018-04-12 19:31:50,381 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 12 treesize of output 15 [2018-04-12 19:31:50,381 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:50,390 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:50,408 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:50,408 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:84, output treesize:73 [2018-04-12 19:31:50,542 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:50,543 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:50,544 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:50,544 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:50,544 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 [2018-04-12 19:31:50,545 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:50,555 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:50,555 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:117, output treesize:109 [2018-04-12 19:31:50,606 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:50,606 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:50,611 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 110 treesize of output 110 [2018-04-12 19:31:50,612 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 19 [2018-04-12 19:31:50,613 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:50,623 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:50,637 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:50,641 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 93 treesize of output 110 [2018-04-12 19:31:50,643 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 19 [2018-04-12 19:31:50,643 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:50,651 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:50,664 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:50,664 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:131, output treesize:149 [2018-04-12 19:31:50,870 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:50,871 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 14 treesize of output 45 [2018-04-12 19:31:50,871 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:50,892 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:50,892 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:50,893 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-04-12 19:31:50,893 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:50,914 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:50,914 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:276, output treesize:297 [2018-04-12 19:31:50,993 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:50,994 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:50,994 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:51,003 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 296 treesize of output 255 [2018-04-12 19:31:51,005 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:31:51,005 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:51,023 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:51,044 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:51,045 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:51,052 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 252 treesize of output 276 [2018-04-12 19:31:51,054 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:31:51,054 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:51,069 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:51,088 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:51,088 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:319, output treesize:249 [2018-04-12 19:31:51,673 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:31:51,674 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:51,675 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:51,675 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:31:51,694 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 417 treesize of output 332 [2018-04-12 19:31:51,696 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:31:51,696 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 95 [2018-04-12 19:31:51,696 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:31:51,722 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:31:51,722 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 103 treesize of output 51 [2018-04-12 19:31:51,722 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:51,738 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:31:51,739 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 61 [2018-04-12 19:31:51,739 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:31:51,754 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 14 treesize of output 10 [2018-04-12 19:31:51,754 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:31:51,767 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-12 19:31:51,785 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 40 [2018-04-12 19:31:51,786 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:31:51,786 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 28 treesize of output 23 [2018-04-12 19:31:51,787 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:31:51,793 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:31:51,793 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:51,798 INFO L267 ElimStorePlain]: Start of recursive call 7: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:51,810 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. [2018-04-12 19:31:51,810 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 5 variables, input treesize:423, output treesize:20 [2018-04-12 19:31:51,950 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:31:51,968 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:31:51,968 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 55 [2018-04-12 19:31:51,968 INFO L442 AbstractCegarLoop]: Interpolant automaton has 56 states [2018-04-12 19:31:51,969 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2018-04-12 19:31:51,969 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=2885, Unknown=0, NotChecked=0, Total=3080 [2018-04-12 19:31:51,969 INFO L87 Difference]: Start difference. First operand 338 states and 363 transitions. Second operand 56 states. [2018-04-12 19:31:54,925 WARN L151 SmtUtils]: Spent 119ms on a formula simplification. DAG size of input: 142 DAG size of output 104 [2018-04-12 19:31:57,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:31:57,999 INFO L93 Difference]: Finished difference Result 446 states and 472 transitions. [2018-04-12 19:31:57,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-04-12 19:31:58,000 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 84 [2018-04-12 19:31:58,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:31:58,000 INFO L225 Difference]: With dead ends: 446 [2018-04-12 19:31:58,000 INFO L226 Difference]: Without dead ends: 446 [2018-04-12 19:31:58,001 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1838 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=760, Invalid=7612, Unknown=0, NotChecked=0, Total=8372 [2018-04-12 19:31:58,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2018-04-12 19:31:58,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 339. [2018-04-12 19:31:58,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2018-04-12 19:31:58,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 364 transitions. [2018-04-12 19:31:58,003 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 364 transitions. Word has length 84 [2018-04-12 19:31:58,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:31:58,003 INFO L459 AbstractCegarLoop]: Abstraction has 339 states and 364 transitions. [2018-04-12 19:31:58,003 INFO L460 AbstractCegarLoop]: Interpolant automaton has 56 states. [2018-04-12 19:31:58,003 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 364 transitions. [2018-04-12 19:31:58,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-04-12 19:31:58,003 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:31:58,003 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-04-12 19:31:58,003 INFO L408 AbstractCegarLoop]: === Iteration 70 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:31:58,004 INFO L82 PathProgramCache]: Analyzing trace with hash 224744205, now seen corresponding path program 5 times [2018-04-12 19:31:58,004 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:31:58,004 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:31:58,004 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:31:58,004 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 19:31:58,004 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:31:58,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:31:58,012 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:31:58,368 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:31:58,368 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:31:58,368 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:31:58,373 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-04-12 19:31:58,400 INFO L242 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2018-04-12 19:31:58,401 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 19:31:58,403 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:31:58,411 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:58,411 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:58,412 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 [2018-04-12 19:31:58,412 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:58,418 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:58,419 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-04-12 19:31:58,448 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 [2018-04-12 19:31:58,449 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 [2018-04-12 19:31:58,450 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:58,451 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:58,460 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 [2018-04-12 19:31:58,461 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:31:58,461 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:58,463 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:58,470 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:58,470 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:43, output treesize:36 [2018-04-12 19:31:58,559 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:58,560 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:58,561 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:58,561 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 46 [2018-04-12 19:31:58,561 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:58,573 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:58,573 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:58, output treesize:64 [2018-04-12 19:31:58,612 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:58,614 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 44 treesize of output 45 [2018-04-12 19:31:58,615 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:31:58,615 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:58,620 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:58,635 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 26 treesize of output 31 [2018-04-12 19:31:58,637 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:31:58,637 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:58,642 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:58,653 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:58,653 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:91, output treesize:79 [2018-04-12 19:31:58,796 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:58,796 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:58,797 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:58,797 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:58,797 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 [2018-04-12 19:31:58,798 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:58,811 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. [2018-04-12 19:31:58,812 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:119, output treesize:111 [2018-04-12 19:31:58,857 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:58,858 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:58,860 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:58,863 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 101 treesize of output 110 [2018-04-12 19:31:58,864 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 22 treesize of output 20 [2018-04-12 19:31:58,864 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:58,876 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:58,893 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:58,897 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 48 treesize of output 73 [2018-04-12 19:31:58,898 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 16 treesize of output 15 [2018-04-12 19:31:58,898 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:58,914 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:58,929 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. [2018-04-12 19:31:58,929 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:136, output treesize:102 [2018-04-12 19:31:59,076 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 72 treesize of output 101 [2018-04-12 19:31:59,078 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 20 treesize of output 19 [2018-04-12 19:31:59,078 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:59,086 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:59,107 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:59,112 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:59,114 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 174 treesize of output 140 [2018-04-12 19:31:59,116 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:31:59,116 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:59,131 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:59,148 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-12 19:31:59,148 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 7 variables, input treesize:210, output treesize:140 [2018-04-12 19:31:59,361 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 67 treesize of output 49 [2018-04-12 19:31:59,363 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:31:59,363 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:59,369 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:31:59,369 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 [2018-04-12 19:31:59,370 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:59,374 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:59,386 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. [2018-04-12 19:31:59,386 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:170, output treesize:124 [2018-04-12 19:31:59,491 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:31:59,492 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:59,492 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:31:59,494 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 113 treesize of output 82 [2018-04-12 19:31:59,495 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 23 treesize of output 17 [2018-04-12 19:31:59,496 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:59,503 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-12 19:31:59,503 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:59,507 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:31:59,507 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 [2018-04-12 19:31:59,507 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:31:59,509 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:59,514 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:31:59,514 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:125, output treesize:5 [2018-04-12 19:31:59,568 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:31:59,585 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:31:59,586 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 23] total 45 [2018-04-12 19:31:59,586 INFO L442 AbstractCegarLoop]: Interpolant automaton has 46 states [2018-04-12 19:31:59,586 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2018-04-12 19:31:59,586 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=1921, Unknown=3, NotChecked=0, Total=2070 [2018-04-12 19:31:59,586 INFO L87 Difference]: Start difference. First operand 339 states and 364 transitions. Second operand 46 states. [2018-04-12 19:32:04,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:32:04,704 INFO L93 Difference]: Finished difference Result 430 states and 458 transitions. [2018-04-12 19:32:04,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-04-12 19:32:04,704 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 84 [2018-04-12 19:32:04,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:32:04,705 INFO L225 Difference]: With dead ends: 430 [2018-04-12 19:32:04,705 INFO L226 Difference]: Without dead ends: 430 [2018-04-12 19:32:04,705 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 67 SyntacticMatches, 2 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1506 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=538, Invalid=5458, Unknown=10, NotChecked=0, Total=6006 [2018-04-12 19:32:04,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2018-04-12 19:32:04,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 347. [2018-04-12 19:32:04,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2018-04-12 19:32:04,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 373 transitions. [2018-04-12 19:32:04,708 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 373 transitions. Word has length 84 [2018-04-12 19:32:04,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:32:04,708 INFO L459 AbstractCegarLoop]: Abstraction has 347 states and 373 transitions. [2018-04-12 19:32:04,708 INFO L460 AbstractCegarLoop]: Interpolant automaton has 46 states. [2018-04-12 19:32:04,708 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 373 transitions. [2018-04-12 19:32:04,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-04-12 19:32:04,708 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:32:04,708 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-04-12 19:32:04,708 INFO L408 AbstractCegarLoop]: === Iteration 71 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:32:04,708 INFO L82 PathProgramCache]: Analyzing trace with hash 224744206, now seen corresponding path program 5 times [2018-04-12 19:32:04,708 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:32:04,709 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:32:04,709 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:32:04,709 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 19:32:04,709 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:32:04,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:32:04,716 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:32:05,246 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:32:05,246 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:32:05,246 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:32:05,253 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-04-12 19:32:05,284 INFO L242 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2018-04-12 19:32:05,284 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 19:32:05,287 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:32:05,291 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:05,292 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:05,292 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 [2018-04-12 19:32:05,292 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:05,300 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:05,300 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-04-12 19:32:05,331 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 [2018-04-12 19:32:05,332 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:32:05,332 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:05,333 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:05,341 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 [2018-04-12 19:32:05,343 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 [2018-04-12 19:32:05,343 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:05,344 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:05,350 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:05,350 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:43, output treesize:36 [2018-04-12 19:32:05,448 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:05,448 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:05,449 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:05,449 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 46 [2018-04-12 19:32:05,449 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:05,459 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:05,459 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:58, output treesize:64 [2018-04-12 19:32:05,501 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:05,503 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 26 treesize of output 31 [2018-04-12 19:32:05,504 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:32:05,505 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:05,509 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:05,524 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:05,526 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 46 treesize of output 47 [2018-04-12 19:32:05,527 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 [2018-04-12 19:32:05,528 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:05,533 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:05,545 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:05,545 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:91, output treesize:79 [2018-04-12 19:32:05,701 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:05,702 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:05,702 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:05,703 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:05,703 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 107 [2018-04-12 19:32:05,704 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:05,732 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 6 treesize of output 5 [2018-04-12 19:32:05,732 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:05,753 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. [2018-04-12 19:32:05,753 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:134, output treesize:151 [2018-04-12 19:32:05,819 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:05,820 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:05,825 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 48 treesize of output 73 [2018-04-12 19:32:05,827 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:32:05,827 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:05,835 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:05,865 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:05,865 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:05,869 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:05,870 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 138 treesize of output 139 [2018-04-12 19:32:05,872 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2018-04-12 19:32:05,872 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:05,889 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:05,912 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. [2018-04-12 19:32:05,912 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:173, output treesize:170 [2018-04-12 19:32:06,121 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:06,122 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 24 treesize of output 39 [2018-04-12 19:32:06,122 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:06,151 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:06,152 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:06,152 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:06,153 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:06,153 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:06,154 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:06,154 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 137 [2018-04-12 19:32:06,154 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:06,180 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. [2018-04-12 19:32:06,180 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:225, output treesize:215 [2018-04-12 19:32:06,237 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:06,244 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:06,247 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 241 treesize of output 183 [2018-04-12 19:32:06,249 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 20 treesize of output 19 [2018-04-12 19:32:06,249 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:06,271 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:06,302 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:06,310 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 168 [2018-04-12 19:32:06,312 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:32:06,312 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:06,326 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:06,358 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 1 xjuncts. [2018-04-12 19:32:06,359 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 7 variables, input treesize:270, output treesize:280 [2018-04-12 19:32:06,767 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:06,767 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:06,768 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:32:06,768 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:06,773 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 322 treesize of output 198 [2018-04-12 19:32:06,775 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 81 [2018-04-12 19:32:06,776 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:32:06,800 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:32:06,800 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 49 treesize of output 37 [2018-04-12 19:32:06,800 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:06,820 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 34 treesize of output 24 [2018-04-12 19:32:06,820 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:32:06,839 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:32:06,840 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 46 [2018-04-12 19:32:06,840 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:32:06,861 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-12 19:32:06,886 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 47 [2018-04-12 19:32:06,888 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:32:06,888 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 15 treesize of output 11 [2018-04-12 19:32:06,889 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:06,897 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 11 treesize of output 3 [2018-04-12 19:32:06,897 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:06,902 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:32:06,902 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:06,905 INFO L267 ElimStorePlain]: Start of recursive call 7: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:06,920 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:32:06,920 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 7 variables, input treesize:342, output treesize:18 [2018-04-12 19:32:07,052 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 49 refuted. 8 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:32:07,070 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:32:07,070 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 24] total 49 [2018-04-12 19:32:07,070 INFO L442 AbstractCegarLoop]: Interpolant automaton has 50 states [2018-04-12 19:32:07,070 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2018-04-12 19:32:07,070 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=2276, Unknown=9, NotChecked=0, Total=2450 [2018-04-12 19:32:07,071 INFO L87 Difference]: Start difference. First operand 347 states and 373 transitions. Second operand 50 states. [2018-04-12 19:32:10,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:32:10,887 INFO L93 Difference]: Finished difference Result 449 states and 475 transitions. [2018-04-12 19:32:10,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-04-12 19:32:10,887 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 84 [2018-04-12 19:32:10,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:32:10,888 INFO L225 Difference]: With dead ends: 449 [2018-04-12 19:32:10,888 INFO L226 Difference]: Without dead ends: 449 [2018-04-12 19:32:10,888 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1458 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=458, Invalid=5371, Unknown=23, NotChecked=0, Total=5852 [2018-04-12 19:32:10,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2018-04-12 19:32:10,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 339. [2018-04-12 19:32:10,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2018-04-12 19:32:10,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 364 transitions. [2018-04-12 19:32:10,891 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 364 transitions. Word has length 84 [2018-04-12 19:32:10,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:32:10,891 INFO L459 AbstractCegarLoop]: Abstraction has 339 states and 364 transitions. [2018-04-12 19:32:10,892 INFO L460 AbstractCegarLoop]: Interpolant automaton has 50 states. [2018-04-12 19:32:10,892 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 364 transitions. [2018-04-12 19:32:10,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-04-12 19:32:10,892 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:32:10,892 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-04-12 19:32:10,892 INFO L408 AbstractCegarLoop]: === Iteration 72 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:32:10,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1535174574, now seen corresponding path program 1 times [2018-04-12 19:32:10,893 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:32:10,893 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:32:10,893 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:32:10,893 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 19:32:10,894 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:32:10,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:32:10,902 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:32:11,022 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-04-12 19:32:11,022 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:32:11,022 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:32:11,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:32:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:32:11,047 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:32:11,051 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:11,051 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:11,052 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-04-12 19:32:11,052 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:11,055 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:11,055 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-04-12 19:32:11,061 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 [2018-04-12 19:32:11,063 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 [2018-04-12 19:32:11,063 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:11,064 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:11,072 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 [2018-04-12 19:32:11,073 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:32:11,073 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:11,074 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:11,080 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:11,080 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:38, output treesize:27 [2018-04-12 19:32:11,133 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:11,133 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:11,134 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 [2018-04-12 19:32:11,134 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:11,138 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:11,138 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:33, output treesize:27 [2018-04-12 19:32:11,153 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:11,156 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 27 treesize of output 28 [2018-04-12 19:32:11,157 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:32:11,157 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:11,161 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:11,169 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 19 treesize of output 24 [2018-04-12 19:32:11,175 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 12 treesize of output 11 [2018-04-12 19:32:11,175 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:11,178 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:11,184 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:11,184 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:49, output treesize:27 [2018-04-12 19:32:11,199 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 32 treesize of output 23 [2018-04-12 19:32:11,200 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 [2018-04-12 19:32:11,200 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:11,203 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 [2018-04-12 19:32:11,203 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:11,204 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:11,206 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:11,206 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:39, output treesize:12 [2018-04-12 19:32:11,220 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 20 [2018-04-12 19:32:11,221 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:32:11,221 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:11,224 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:11,226 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:11,227 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:23, output treesize:7 [2018-04-12 19:32:11,234 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 [2018-04-12 19:32:11,235 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 11 treesize of output 3 [2018-04-12 19:32:11,235 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:11,236 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:11,236 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:11,236 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2018-04-12 19:32:11,245 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-04-12 19:32:11,262 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:32:11,262 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 14] total 22 [2018-04-12 19:32:11,262 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-12 19:32:11,262 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-12 19:32:11,263 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=419, Unknown=0, NotChecked=0, Total=506 [2018-04-12 19:32:11,263 INFO L87 Difference]: Start difference. First operand 339 states and 364 transitions. Second operand 23 states. [2018-04-12 19:32:11,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:32:11,787 INFO L93 Difference]: Finished difference Result 368 states and 388 transitions. [2018-04-12 19:32:11,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-12 19:32:11,788 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 85 [2018-04-12 19:32:11,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:32:11,788 INFO L225 Difference]: With dead ends: 368 [2018-04-12 19:32:11,788 INFO L226 Difference]: Without dead ends: 368 [2018-04-12 19:32:11,788 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 78 SyntacticMatches, 5 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 369 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=283, Invalid=1199, Unknown=0, NotChecked=0, Total=1482 [2018-04-12 19:32:11,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2018-04-12 19:32:11,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 339. [2018-04-12 19:32:11,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2018-04-12 19:32:11,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 362 transitions. [2018-04-12 19:32:11,791 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 362 transitions. Word has length 85 [2018-04-12 19:32:11,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:32:11,791 INFO L459 AbstractCegarLoop]: Abstraction has 339 states and 362 transitions. [2018-04-12 19:32:11,791 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-12 19:32:11,791 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 362 transitions. [2018-04-12 19:32:11,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-04-12 19:32:11,791 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:32:11,791 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-04-12 19:32:11,791 INFO L408 AbstractCegarLoop]: === Iteration 73 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:32:11,791 INFO L82 PathProgramCache]: Analyzing trace with hash -345771285, now seen corresponding path program 1 times [2018-04-12 19:32:11,791 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:32:11,791 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:32:11,792 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:32:11,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:32:11,792 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:32:11,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:32:11,798 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:32:11,831 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-04-12 19:32:11,831 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:32:11,831 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:32:11,838 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:32:11,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:32:11,862 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:32:11,878 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 [2018-04-12 19:32:11,879 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-12 19:32:11,879 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:11,880 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:11,881 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:11,881 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:17, output treesize:5 [2018-04-12 19:32:11,890 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-04-12 19:32:11,918 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:32:11,918 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 8 [2018-04-12 19:32:11,918 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-12 19:32:11,918 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-12 19:32:11,919 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-12 19:32:11,919 INFO L87 Difference]: Start difference. First operand 339 states and 362 transitions. Second operand 9 states. [2018-04-12 19:32:12,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:32:12,080 INFO L93 Difference]: Finished difference Result 366 states and 384 transitions. [2018-04-12 19:32:12,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 19:32:12,080 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 86 [2018-04-12 19:32:12,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:32:12,081 INFO L225 Difference]: With dead ends: 366 [2018-04-12 19:32:12,081 INFO L226 Difference]: Without dead ends: 366 [2018-04-12 19:32:12,081 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 82 SyntacticMatches, 4 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2018-04-12 19:32:12,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2018-04-12 19:32:12,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 318. [2018-04-12 19:32:12,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2018-04-12 19:32:12,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 339 transitions. [2018-04-12 19:32:12,083 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 339 transitions. Word has length 86 [2018-04-12 19:32:12,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:32:12,083 INFO L459 AbstractCegarLoop]: Abstraction has 318 states and 339 transitions. [2018-04-12 19:32:12,083 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-12 19:32:12,083 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 339 transitions. [2018-04-12 19:32:12,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-04-12 19:32:12,083 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:32:12,083 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-04-12 19:32:12,084 INFO L408 AbstractCegarLoop]: === Iteration 74 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:32:12,084 INFO L82 PathProgramCache]: Analyzing trace with hash -1055107789, now seen corresponding path program 2 times [2018-04-12 19:32:12,084 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:32:12,084 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:32:12,084 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:32:12,084 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:32:12,084 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:32:12,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:32:12,089 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:32:12,319 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:32:12,319 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:32:12,319 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:32:12,324 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 19:32:12,353 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 19:32:12,353 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 19:32:12,355 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:32:12,408 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:12,408 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:12,409 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 [2018-04-12 19:32:12,409 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:12,412 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:12,412 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-04-12 19:32:12,429 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 [2018-04-12 19:32:12,430 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 [2018-04-12 19:32:12,430 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:12,431 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:12,436 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:12,436 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:30, output treesize:23 [2018-04-12 19:32:12,496 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:12,496 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:12,496 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 [2018-04-12 19:32:12,496 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:12,500 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:12,500 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:23 [2018-04-12 19:32:12,520 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:12,522 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 27 treesize of output 28 [2018-04-12 19:32:12,523 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 [2018-04-12 19:32:12,523 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:12,527 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:12,531 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:12,531 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:34, output treesize:23 [2018-04-12 19:32:12,612 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 52 [2018-04-12 19:32:12,618 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 36 [2018-04-12 19:32:12,618 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 19:32:12,635 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 36 [2018-04-12 19:32:12,636 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:12,645 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 19:32:12,655 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. [2018-04-12 19:32:12,655 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:51, output treesize:37 [2018-04-12 19:32:12,849 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 19 [2018-04-12 19:32:12,850 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:32:12,850 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 [2018-04-12 19:32:12,850 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:12,852 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:12,856 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:12,856 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:31, output treesize:10 [2018-04-12 19:32:12,867 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:12,867 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 [2018-04-12 19:32:12,867 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:12,870 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. [2018-04-12 19:32:12,870 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:11 [2018-04-12 19:32:12,908 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-04-12 19:32:12,926 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:32:12,926 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 23] total 44 [2018-04-12 19:32:12,926 INFO L442 AbstractCegarLoop]: Interpolant automaton has 45 states [2018-04-12 19:32:12,927 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2018-04-12 19:32:12,927 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=203, Invalid=1777, Unknown=0, NotChecked=0, Total=1980 [2018-04-12 19:32:12,927 INFO L87 Difference]: Start difference. First operand 318 states and 339 transitions. Second operand 45 states. [2018-04-12 19:32:14,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:32:14,520 INFO L93 Difference]: Finished difference Result 368 states and 384 transitions. [2018-04-12 19:32:14,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-04-12 19:32:14,520 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 86 [2018-04-12 19:32:14,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:32:14,521 INFO L225 Difference]: With dead ends: 368 [2018-04-12 19:32:14,521 INFO L226 Difference]: Without dead ends: 368 [2018-04-12 19:32:14,522 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 69 SyntacticMatches, 1 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1730 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=918, Invalid=5088, Unknown=0, NotChecked=0, Total=6006 [2018-04-12 19:32:14,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2018-04-12 19:32:14,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 318. [2018-04-12 19:32:14,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2018-04-12 19:32:14,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 337 transitions. [2018-04-12 19:32:14,523 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 337 transitions. Word has length 86 [2018-04-12 19:32:14,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:32:14,524 INFO L459 AbstractCegarLoop]: Abstraction has 318 states and 337 transitions. [2018-04-12 19:32:14,524 INFO L460 AbstractCegarLoop]: Interpolant automaton has 45 states. [2018-04-12 19:32:14,524 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 337 transitions. [2018-04-12 19:32:14,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-04-12 19:32:14,524 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:32:14,524 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-04-12 19:32:14,524 INFO L408 AbstractCegarLoop]: === Iteration 75 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:32:14,524 INFO L82 PathProgramCache]: Analyzing trace with hash 1255810956, now seen corresponding path program 12 times [2018-04-12 19:32:14,524 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:32:14,524 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:32:14,525 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:32:14,525 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 19:32:14,525 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:32:14,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:32:14,533 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:32:14,942 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:32:14,943 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:32:14,943 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:32:14,950 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-04-12 19:32:15,004 INFO L242 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2018-04-12 19:32:15,004 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 19:32:15,007 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:32:15,085 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:15,086 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:15,086 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 [2018-04-12 19:32:15,086 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:15,092 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:15,092 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2018-04-12 19:32:15,121 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 [2018-04-12 19:32:15,122 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:32:15,122 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:15,123 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:15,131 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 [2018-04-12 19:32:15,132 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 [2018-04-12 19:32:15,132 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:15,133 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:15,140 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:15,140 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:46, output treesize:39 [2018-04-12 19:32:15,241 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:15,248 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:15,270 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:15,271 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 46 [2018-04-12 19:32:15,271 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:15,281 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:15,281 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:58, output treesize:64 [2018-04-12 19:32:15,325 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:15,328 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:15,328 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 44 treesize of output 54 [2018-04-12 19:32:15,329 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 18 treesize of output 16 [2018-04-12 19:32:15,330 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:15,337 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:15,351 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:15,353 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 26 treesize of output 31 [2018-04-12 19:32:15,354 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 12 treesize of output 11 [2018-04-12 19:32:15,355 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:15,359 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:15,370 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:15,371 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:89, output treesize:71 [2018-04-12 19:32:15,512 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:15,513 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:15,514 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:15,514 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:15,515 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:15,515 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 99 [2018-04-12 19:32:15,515 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:15,532 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. [2018-04-12 19:32:15,532 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:98, output treesize:116 [2018-04-12 19:32:15,586 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:15,589 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 26 treesize of output 35 [2018-04-12 19:32:15,591 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 16 treesize of output 15 [2018-04-12 19:32:15,591 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:15,595 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:15,621 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:15,622 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:15,622 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:15,625 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:15,627 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 95 treesize of output 107 [2018-04-12 19:32:15,628 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2018-04-12 19:32:15,628 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:15,640 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:15,658 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. [2018-04-12 19:32:15,658 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:143, output treesize:124 [2018-04-12 19:32:15,840 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 6 treesize of output 5 [2018-04-12 19:32:15,840 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:15,870 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:15,870 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:15,871 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:15,871 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:15,872 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:15,873 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:15,873 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 200 [2018-04-12 19:32:15,873 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:15,907 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. [2018-04-12 19:32:15,907 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:188, output treesize:221 [2018-04-12 19:32:15,978 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:15,980 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 26 treesize of output 39 [2018-04-12 19:32:15,982 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:32:15,982 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:15,987 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:16,025 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:16,025 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:16,026 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:16,026 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:16,032 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:16,034 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 209 treesize of output 180 [2018-04-12 19:32:16,036 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-04-12 19:32:16,037 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:16,059 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:16,090 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. [2018-04-12 19:32:16,091 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:243, output treesize:237 [2018-04-12 19:32:16,395 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:16,395 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 5 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 [2018-04-12 19:32:16,395 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:16,450 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:16,451 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:16,451 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:16,452 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:16,453 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:16,454 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:16,454 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:16,455 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 345 [2018-04-12 19:32:16,455 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:16,504 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 1 xjuncts. [2018-04-12 19:32:16,505 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:373, output treesize:426 [2018-04-12 19:32:16,596 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:16,597 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:16,598 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:16,599 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:16,599 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:16,606 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:16,607 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:16,613 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:16,613 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 17 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 398 treesize of output 294 [2018-04-12 19:32:16,616 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 28 [2018-04-12 19:32:16,616 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:16,664 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:16,717 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:16,718 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:16,723 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 113 [2018-04-12 19:32:16,725 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 24 treesize of output 23 [2018-04-12 19:32:16,726 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:16,736 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:16,786 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 1 xjuncts. [2018-04-12 19:32:16,786 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 7 variables, input treesize:451, output treesize:397 [2018-04-12 19:32:17,056 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 60 treesize of output 42 [2018-04-12 19:32:17,057 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:32:17,058 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:17,065 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:32:17,065 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:17,069 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:32:17,110 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2018-04-12 19:32:17,111 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:517, output treesize:467 [2018-04-12 19:32:17,252 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:17,254 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 54 treesize of output 90 [2018-04-12 19:32:17,254 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:17,294 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2018-04-12 19:32:17,294 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:474, output treesize:417 [2018-04-12 19:32:17,376 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:17,376 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:17,377 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:17,382 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:17,383 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:17,383 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:17,384 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 405 treesize of output 183 [2018-04-12 19:32:17,396 INFO L477 Elim1Store]: Elim1 applied some 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 5 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 70 [2018-04-12 19:32:17,398 INFO L267 ElimStorePlain]: Start of recursive call 3: 17 dim-0 vars, End of recursive call: 17 dim-0 vars, and 7 xjuncts. [2018-04-12 19:32:17,493 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:17,494 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 77 [2018-04-12 19:32:17,495 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:32:17,499 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 81 [2018-04-12 19:32:17,500 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-12 19:32:17,502 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 65 [2018-04-12 19:32:17,502 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:32:17,503 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 59 [2018-04-12 19:32:17,503 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:32:17,508 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 83 treesize of output 77 [2018-04-12 19:32:17,509 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-12 19:32:17,513 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 87 treesize of output 81 [2018-04-12 19:32:17,514 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-12 19:32:17,519 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 77 treesize of output 71 [2018-04-12 19:32:17,519 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-12 19:32:17,760 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:32:17,764 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 99 treesize of output 91 [2018-04-12 19:32:17,764 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2018-04-12 19:32:17,766 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:32:17,771 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 103 treesize of output 95 [2018-04-12 19:32:17,772 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 2 xjuncts. [2018-04-12 19:32:17,774 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:32:17,774 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 83 [2018-04-12 19:32:17,774 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:17,777 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:17,777 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:32:17,779 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 107 treesize of output 95 [2018-04-12 19:32:17,779 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:17,781 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:32:17,781 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 79 [2018-04-12 19:32:17,781 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:17,784 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:32:17,784 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:32:17,786 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 103 treesize of output 91 [2018-04-12 19:32:17,786 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:17,789 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:32:17,794 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 103 treesize of output 95 [2018-04-12 19:32:17,795 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 2 xjuncts. [2018-04-12 19:32:17,797 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:32:17,803 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 103 treesize of output 95 [2018-04-12 19:32:17,803 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 2 xjuncts. [2018-04-12 19:32:17,806 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:32:17,812 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 99 treesize of output 91 [2018-04-12 19:32:17,812 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 2 xjuncts. [2018-04-12 19:32:17,814 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:32:17,814 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 79 [2018-04-12 19:32:17,815 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-04-12 19:32:17,818 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:32:17,823 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 107 treesize of output 99 [2018-04-12 19:32:17,823 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 2 xjuncts. [2018-04-12 19:32:18,332 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 85 [2018-04-12 19:32:18,333 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:32:18,334 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 89 [2018-04-12 19:32:18,335 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:32:18,336 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 93 [2018-04-12 19:32:18,337 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:32:18,338 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 89 [2018-04-12 19:32:18,339 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:32:18,340 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 85 [2018-04-12 19:32:18,341 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:32:18,342 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 85 [2018-04-12 19:32:18,343 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:32:18,344 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 93 [2018-04-12 19:32:18,345 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:32:18,346 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 89 [2018-04-12 19:32:18,347 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:32:18,348 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 85 [2018-04-12 19:32:18,349 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:32:18,350 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 89 [2018-04-12 19:32:18,351 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:32:18,353 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 89 [2018-04-12 19:32:18,353 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:32:18,731 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 86 [2018-04-12 19:32:18,732 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:32:18,733 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 86 [2018-04-12 19:32:18,733 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:32:18,735 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 90 [2018-04-12 19:32:18,735 INFO L267 ElimStorePlain]: Start of recursive call 35: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:32:18,737 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 90 [2018-04-12 19:32:18,737 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:32:18,738 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 90 [2018-04-12 19:32:18,739 INFO L267 ElimStorePlain]: Start of recursive call 37: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:32:18,740 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 86 [2018-04-12 19:32:18,741 INFO L267 ElimStorePlain]: Start of recursive call 38: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:32:18,742 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 86 [2018-04-12 19:32:18,742 INFO L267 ElimStorePlain]: Start of recursive call 39: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:32:18,744 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 94 [2018-04-12 19:32:18,744 INFO L267 ElimStorePlain]: Start of recursive call 40: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:32:18,746 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 94 [2018-04-12 19:32:18,746 INFO L267 ElimStorePlain]: Start of recursive call 41: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:32:18,747 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 90 [2018-04-12 19:32:18,748 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:32:18,749 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 90 [2018-04-12 19:32:18,750 INFO L267 ElimStorePlain]: Start of recursive call 43: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:32:19,134 INFO L267 ElimStorePlain]: Start of recursive call 2: 5 dim-1 vars, End of recursive call: 44 dim-0 vars, and 11 xjuncts. [2018-04-12 19:32:19,487 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 55 dim-0 vars, and 11 xjuncts. [2018-04-12 19:32:19,487 INFO L202 ElimStorePlain]: Needed 43 recursive calls to eliminate 6 variables, input treesize:422, output treesize:1002 [2018-04-12 19:32:20,471 WARN L151 SmtUtils]: Spent 574ms on a formula simplification. DAG size of input: 534 DAG size of output 53 [2018-04-12 19:32:22,030 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:32:22,048 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:32:22,048 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 30] total 58 [2018-04-12 19:32:22,048 INFO L442 AbstractCegarLoop]: Interpolant automaton has 59 states [2018-04-12 19:32:22,048 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2018-04-12 19:32:22,049 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=3099, Unknown=0, NotChecked=0, Total=3422 [2018-04-12 19:32:22,049 INFO L87 Difference]: Start difference. First operand 318 states and 337 transitions. Second operand 59 states. [2018-04-12 19:32:50,918 WARN L151 SmtUtils]: Spent 4039ms on a formula simplification. DAG size of input: 140 DAG size of output 127 [2018-04-12 19:32:54,398 WARN L151 SmtUtils]: Spent 2174ms on a formula simplification. DAG size of input: 147 DAG size of output 132 [2018-04-12 19:33:07,227 WARN L151 SmtUtils]: Spent 2059ms on a formula simplification. DAG size of input: 189 DAG size of output 142 [2018-04-12 19:33:10,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:33:10,678 INFO L93 Difference]: Finished difference Result 525 states and 559 transitions. [2018-04-12 19:33:10,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2018-04-12 19:33:10,679 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 86 [2018-04-12 19:33:10,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:33:10,680 INFO L225 Difference]: With dead ends: 525 [2018-04-12 19:33:10,680 INFO L226 Difference]: Without dead ends: 525 [2018-04-12 19:33:10,680 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 61 SyntacticMatches, 1 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4216 ImplicationChecksByTransitivity, 29.5s TimeCoverageRelationStatistics Valid=1750, Invalid=12053, Unknown=3, NotChecked=0, Total=13806 [2018-04-12 19:33:10,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2018-04-12 19:33:10,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 363. [2018-04-12 19:33:10,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2018-04-12 19:33:10,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 388 transitions. [2018-04-12 19:33:10,683 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 388 transitions. Word has length 86 [2018-04-12 19:33:10,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:33:10,683 INFO L459 AbstractCegarLoop]: Abstraction has 363 states and 388 transitions. [2018-04-12 19:33:10,683 INFO L460 AbstractCegarLoop]: Interpolant automaton has 59 states. [2018-04-12 19:33:10,683 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 388 transitions. [2018-04-12 19:33:10,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-04-12 19:33:10,684 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:33:10,684 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-04-12 19:33:10,684 INFO L408 AbstractCegarLoop]: === Iteration 76 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:33:10,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1255810957, now seen corresponding path program 9 times [2018-04-12 19:33:10,684 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:33:10,685 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:33:10,685 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:33:10,685 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 19:33:10,685 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:33:10,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:33:10,701 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:33:11,381 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:33:11,382 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:33:11,382 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:33:11,387 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-04-12 19:33:11,444 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2018-04-12 19:33:11,444 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 19:33:11,447 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:33:11,527 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:11,527 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:11,528 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 [2018-04-12 19:33:11,528 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:11,534 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:33:11,534 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2018-04-12 19:33:11,567 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 [2018-04-12 19:33:11,568 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 8 treesize of output 7 [2018-04-12 19:33:11,568 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:11,569 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:33:11,580 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 [2018-04-12 19:33:11,581 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 [2018-04-12 19:33:11,581 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:11,584 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:33:11,591 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:33:11,592 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:46, output treesize:39 [2018-04-12 19:33:11,698 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 6 treesize of output 5 [2018-04-12 19:33:11,698 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:11,711 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:11,711 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:11,712 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:11,712 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 46 [2018-04-12 19:33:11,713 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:11,724 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:33:11,725 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:67, output treesize:72 [2018-04-12 19:33:11,769 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:11,771 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:11,771 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 44 treesize of output 54 [2018-04-12 19:33:11,773 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2018-04-12 19:33:11,773 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:11,778 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:33:11,791 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:11,793 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 37 treesize of output 42 [2018-04-12 19:33:11,795 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:33:11,795 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:11,799 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:33:11,810 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:33:11,810 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:96, output treesize:104 [2018-04-12 19:33:11,941 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:11,942 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:11,942 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:11,943 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:11,943 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:11,944 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 [2018-04-12 19:33:11,944 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:11,959 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 5 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 [2018-04-12 19:33:11,959 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:11,971 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:33:11,972 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:139, output treesize:130 [2018-04-12 19:33:12,017 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:12,018 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:12,018 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:12,021 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:12,023 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 119 treesize of output 131 [2018-04-12 19:33:12,025 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-04-12 19:33:12,025 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:12,041 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:33:12,061 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:12,062 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:12,063 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:12,067 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 118 treesize of output 135 [2018-04-12 19:33:12,069 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:33:12,069 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:12,080 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:33:12,097 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:33:12,097 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:157, output treesize:143 [2018-04-12 19:33:12,267 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:12,267 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:12,268 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 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 [2018-04-12 19:33:12,268 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:12,292 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 45 treesize of output 92 [2018-04-12 19:33:12,293 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:12,314 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. [2018-04-12 19:33:12,314 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:264, output treesize:257 [2018-04-12 19:33:12,377 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:12,377 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:12,378 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:12,379 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:12,387 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 257 treesize of output 281 [2018-04-12 19:33:12,389 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:33:12,389 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:12,413 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:33:12,439 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:12,440 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:12,441 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:12,444 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:12,447 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:12,449 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 234 treesize of output 214 [2018-04-12 19:33:12,451 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 20 [2018-04-12 19:33:12,451 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:12,477 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:33:12,501 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. [2018-04-12 19:33:12,501 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:279, output treesize:232 [2018-04-12 19:33:12,731 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 30 [2018-04-12 19:33:12,733 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 29 [2018-04-12 19:33:12,733 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:12,736 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:33:12,766 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. [2018-04-12 19:33:12,766 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:341, output treesize:357 [2018-04-12 19:33:12,841 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:12,842 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:12,842 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 [2018-04-12 19:33:12,842 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:12,877 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 70 treesize of output 161 [2018-04-12 19:33:12,878 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:12,910 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. [2018-04-12 19:33:12,910 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:368, output treesize:381 [2018-04-12 19:33:12,991 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:12,994 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:12,995 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:13,000 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:13,002 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:13,006 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:13,034 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 7 new quantified variables, introduced 9 case distinctions, treesize of input 374 treesize of output 288 [2018-04-12 19:33:13,035 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-04-12 19:33:13,056 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:33:13,080 INFO L477 Elim1Store]: Elim1 applied some 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 5 new quantified variables, introduced 7 case distinctions, treesize of input 371 treesize of output 306 [2018-04-12 19:33:13,088 INFO L267 ElimStorePlain]: Start of recursive call 3: 16 dim-0 vars, End of recursive call: 16 dim-0 vars, and 9 xjuncts. [2018-04-12 19:33:14,281 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:33:14,281 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 267 treesize of output 280 [2018-04-12 19:33:14,282 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:15,798 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:33:15,799 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 292 treesize of output 260 [2018-04-12 19:33:15,799 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:33:16,600 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 351 treesize of output 370 [2018-04-12 19:33:16,601 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:17,184 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, 5 dim-1 vars, End of recursive call: 17 dim-0 vars, and 12 xjuncts. [2018-04-12 19:33:17,730 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:17,731 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:17,733 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:17,762 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 388 treesize of output 403 [2018-04-12 19:33:17,769 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:33:17,770 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 442 treesize of output 459 [2018-04-12 19:33:17,771 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:18,342 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 385 treesize of output 404 [2018-04-12 19:33:18,343 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:18,509 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:33:18,510 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 296 treesize of output 266 [2018-04-12 19:33:18,510 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:18,621 INFO L267 ElimStorePlain]: Start of recursive call 7: 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-12 19:33:18,624 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:18,625 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:18,639 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 207 treesize of output 222 [2018-04-12 19:33:18,641 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:33:18,642 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 26 treesize of output 42 [2018-04-12 19:33:18,642 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:18,675 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:33:18,678 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:18,690 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 295 treesize of output 241 [2018-04-12 19:33:18,692 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:33:18,693 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 21 [2018-04-12 19:33:18,693 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:18,719 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:33:18,721 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:18,722 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:18,723 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:18,733 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 183 treesize of output 214 [2018-04-12 19:33:18,736 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 42 [2018-04-12 19:33:18,737 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:18,767 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:33:18,770 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:18,771 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:18,782 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 275 treesize of output 302 [2018-04-12 19:33:18,785 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 22 treesize of output 46 [2018-04-12 19:33:18,785 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:18,821 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:33:18,824 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:18,825 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:18,836 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 219 treesize of output 230 [2018-04-12 19:33:18,839 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 26 treesize of output 42 [2018-04-12 19:33:18,839 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:18,873 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:33:18,876 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:18,876 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:18,877 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:18,888 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 267 treesize of output 314 [2018-04-12 19:33:18,891 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:33:18,892 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 46 [2018-04-12 19:33:18,892 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:18,928 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:33:18,930 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:18,931 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:18,932 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:18,943 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 211 treesize of output 234 [2018-04-12 19:33:18,945 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:33:18,946 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 26 treesize of output 42 [2018-04-12 19:33:18,946 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:18,979 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:33:18,984 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:18,985 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:18,997 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 286 treesize of output 305 [2018-04-12 19:33:18,999 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:33:19,000 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 46 [2018-04-12 19:33:19,000 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:19,037 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:33:19,040 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:19,041 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:19,041 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:19,053 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 291 treesize of output 334 [2018-04-12 19:33:19,055 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:33:19,056 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 46 [2018-04-12 19:33:19,057 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:19,095 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:33:19,097 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:19,098 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:19,110 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 275 treesize of output 272 [2018-04-12 19:33:19,112 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:33:19,113 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 264 treesize of output 228 [2018-04-12 19:33:19,114 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:19,146 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:33:19,148 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:19,149 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:19,149 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:19,160 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 267 treesize of output 294 [2018-04-12 19:33:19,162 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:33:19,163 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 46 [2018-04-12 19:33:19,164 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:19,194 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:33:19,855 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 44 dim-0 vars, and 14 xjuncts. [2018-04-12 19:33:19,855 INFO L202 ElimStorePlain]: Needed 32 recursive calls to eliminate 6 variables, input treesize:406, output treesize:3494 [2018-04-12 19:33:24,914 WARN L151 SmtUtils]: Spent 4681ms on a formula simplification. DAG size of input: 633 DAG size of output 180 [2018-04-12 19:33:25,129 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 216 treesize of output 201 [2018-04-12 19:33:25,131 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:33:25,131 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:25,158 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:33:25,333 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 544 treesize of output 497 [2018-04-12 19:33:25,335 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 54 treesize of output 53 [2018-04-12 19:33:25,335 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:25,367 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:33:25,545 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 210 treesize of output 203 [2018-04-12 19:33:25,546 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:33:25,546 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:25,571 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:33:25,721 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 360 treesize of output 337 [2018-04-12 19:33:25,723 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 30 treesize of output 29 [2018-04-12 19:33:25,723 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:25,749 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:33:25,882 INFO L267 ElimStorePlain]: Start of recursive call 1: 14 dim-0 vars, 4 dim-2 vars, End of recursive call: 14 dim-0 vars, and 4 xjuncts. [2018-04-12 19:33:25,882 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 18 variables, input treesize:1331, output treesize:1235 [2018-04-12 19:33:27,022 WARN L151 SmtUtils]: Spent 148ms on a formula simplification. DAG size of input: 205 DAG size of output 153 [2018-04-12 19:33:27,893 WARN L151 SmtUtils]: Spent 112ms on a formula simplification. DAG size of input: 195 DAG size of output 194 [2018-04-12 19:33:27,907 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:27,913 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:27,921 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 2 case distinctions, treesize of input 370 treesize of output 454 [2018-04-12 19:33:27,924 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 446 treesize of output 439 [2018-04-12 19:33:27,924 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:28,115 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 347 treesize of output 342 [2018-04-12 19:33:28,116 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:28,267 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 342 treesize of output 335 [2018-04-12 19:33:28,267 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:28,433 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:28,433 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:28,434 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 330 treesize of output 324 [2018-04-12 19:33:28,434 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:28,596 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 324 treesize of output 317 [2018-04-12 19:33:28,596 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:28,751 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 346 treesize of output 341 [2018-04-12 19:33:28,752 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:28,908 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 317 treesize of output 310 [2018-04-12 19:33:28,909 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:29,059 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 335 treesize of output 328 [2018-04-12 19:33:29,060 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:29,205 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 341 treesize of output 334 [2018-04-12 19:33:29,205 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:29,357 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 334 treesize of output 332 [2018-04-12 19:33:29,357 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 2 xjuncts. [2018-04-12 19:33:29,672 INFO L267 ElimStorePlain]: Start of recursive call 2: 12 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-12 19:33:29,867 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:29,869 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:29,875 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 227 treesize of output 254 [2018-04-12 19:33:29,879 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:29,881 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:29,888 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 234 treesize of output 248 [2018-04-12 19:33:29,889 INFO L267 ElimStorePlain]: Start of recursive call 14: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-12 19:33:29,994 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 207 treesize of output 200 [2018-04-12 19:33:29,994 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:30,068 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:33:30,068 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 181 treesize of output 177 [2018-04-12 19:33:30,068 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:30,138 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 200 treesize of output 195 [2018-04-12 19:33:30,138 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:30,208 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:33:30,208 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 195 treesize of output 191 [2018-04-12 19:33:30,209 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:30,273 INFO L267 ElimStorePlain]: Start of recursive call 13: 5 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 19:33:30,518 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:30,521 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:30,525 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:30,538 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 530 treesize of output 630 [2018-04-12 19:33:30,542 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:30,543 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:33:30,546 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:30,556 INFO L477 Elim1Store]: Elim1 applied some 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 538 treesize of output 581 [2018-04-12 19:33:30,558 INFO L267 ElimStorePlain]: Start of recursive call 20: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-12 19:33:30,984 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 518 treesize of output 491 [2018-04-12 19:33:30,984 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:31,357 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 538 treesize of output 533 [2018-04-12 19:33:31,357 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:31,729 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:31,729 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:33:31,729 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:31,730 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 490 treesize of output 491 [2018-04-12 19:33:31,730 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:32,107 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:33:32,107 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 510 treesize of output 506 [2018-04-12 19:33:32,108 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:32,476 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:32,477 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:32,477 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 491 treesize of output 485 [2018-04-12 19:33:32,477 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:32,841 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 504 treesize of output 499 [2018-04-12 19:33:32,841 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:33,185 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 485 treesize of output 478 [2018-04-12 19:33:33,185 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:33,488 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 566 treesize of output 559 [2018-04-12 19:33:33,488 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:34,068 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 559 treesize of output 552 [2018-04-12 19:33:34,068 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:34,349 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 552 treesize of output 525 [2018-04-12 19:33:34,349 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:34,628 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 558 treesize of output 551 [2018-04-12 19:33:34,628 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:34,902 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 482 treesize of output 455 [2018-04-12 19:33:34,903 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:35,176 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 525 treesize of output 520 [2018-04-12 19:33:35,176 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:35,453 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 533 treesize of output 531 [2018-04-12 19:33:35,453 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 2 xjuncts. [2018-04-12 19:33:35,781 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:33:35,782 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 551 treesize of output 547 [2018-04-12 19:33:35,782 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:36,101 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 522 treesize of output 495 [2018-04-12 19:33:36,101 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:36,102 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 479 treesize of output 452 [2018-04-12 19:33:36,103 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:36,338 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 524 treesize of output 519 [2018-04-12 19:33:36,339 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:36,535 INFO L267 ElimStorePlain]: Start of recursive call 19: 19 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-12 19:33:36,951 INFO L267 ElimStorePlain]: Start of recursive call 1: 13 dim-0 vars, 3 dim-2 vars, End of recursive call: 29 dim-0 vars, and 9 xjuncts. [2018-04-12 19:33:36,952 INFO L202 ElimStorePlain]: Needed 38 recursive calls to eliminate 16 variables, input treesize:1128, output treesize:3266 [2018-04-12 19:33:37,542 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:37,544 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:33:37,548 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 314 treesize of output 176 [2018-04-12 19:33:37,553 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 70 treesize of output 68 [2018-04-12 19:33:37,554 INFO L267 ElimStorePlain]: Start of recursive call 3: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-12 19:33:37,584 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 93 treesize of output 83 [2018-04-12 19:33:37,585 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:33:37,586 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 87 treesize of output 77 [2018-04-12 19:33:37,587 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:33:37,621 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 133 treesize of output 88 [2018-04-12 19:33:37,621 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:37,626 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 104 [2018-04-12 19:33:37,627 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-04-12 19:33:37,676 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 95 treesize of output 91 [2018-04-12 19:33:37,677 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:33:37,678 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 95 treesize of output 91 [2018-04-12 19:33:37,678 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:33:37,717 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 6 dim-0 vars, and 2 xjuncts. [2018-04-12 19:33:37,762 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 98 treesize of output 82 [2018-04-12 19:33:37,764 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:33:37,764 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:37,783 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:33:37,784 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:37,798 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:33:37,798 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:37,810 INFO L267 ElimStorePlain]: Start of recursive call 10: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:33:37,813 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 98 treesize of output 82 [2018-04-12 19:33:37,814 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:33:37,814 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:37,830 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:33:37,830 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:37,844 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 15 treesize of output 5 [2018-04-12 19:33:37,844 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-04-12 19:33:37,856 INFO L267 ElimStorePlain]: Start of recursive call 14: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:33:37,886 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. [2018-04-12 19:33:37,887 INFO L202 ElimStorePlain]: Needed 17 recursive calls to eliminate 5 variables, input treesize:331, output treesize:81 [2018-04-12 19:33:38,323 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:33:38,345 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:33:38,345 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 36] total 64 [2018-04-12 19:33:38,346 INFO L442 AbstractCegarLoop]: Interpolant automaton has 65 states [2018-04-12 19:33:38,346 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2018-04-12 19:33:38,346 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=283, Invalid=3877, Unknown=0, NotChecked=0, Total=4160 [2018-04-12 19:33:38,346 INFO L87 Difference]: Start difference. First operand 363 states and 388 transitions. Second operand 65 states. [2018-04-12 19:33:59,742 WARN L151 SmtUtils]: Spent 2201ms on a formula simplification. DAG size of input: 200 DAG size of output 152 [2018-04-12 19:34:00,408 WARN L151 SmtUtils]: Spent 350ms on a formula simplification. DAG size of input: 284 DAG size of output 244 [2018-04-12 19:34:01,280 WARN L151 SmtUtils]: Spent 520ms on a formula simplification. DAG size of input: 257 DAG size of output 255 [2018-04-12 19:34:01,859 WARN L151 SmtUtils]: Spent 260ms on a formula simplification. DAG size of input: 333 DAG size of output 212 [2018-04-12 19:34:02,646 WARN L151 SmtUtils]: Spent 269ms on a formula simplification. DAG size of input: 335 DAG size of output 221 [2018-04-12 19:34:03,359 WARN L151 SmtUtils]: Spent 272ms on a formula simplification. DAG size of input: 339 DAG size of output 221 [2018-04-12 19:34:03,891 WARN L151 SmtUtils]: Spent 204ms on a formula simplification. DAG size of input: 327 DAG size of output 168 [2018-04-12 19:34:04,699 WARN L151 SmtUtils]: Spent 476ms on a formula simplification. DAG size of input: 468 DAG size of output 312 [2018-04-12 19:34:05,393 WARN L151 SmtUtils]: Spent 446ms on a formula simplification. DAG size of input: 360 DAG size of output 355 [2018-04-12 19:34:05,710 WARN L151 SmtUtils]: Spent 177ms on a formula simplification. DAG size of input: 209 DAG size of output 208 [2018-04-12 19:34:06,663 WARN L151 SmtUtils]: Spent 615ms on a formula simplification. DAG size of input: 365 DAG size of output 360 [2018-04-12 19:34:08,141 WARN L151 SmtUtils]: Spent 943ms on a formula simplification. DAG size of input: 381 DAG size of output 374 [2018-04-12 19:34:09,372 WARN L151 SmtUtils]: Spent 746ms on a formula simplification. DAG size of input: 364 DAG size of output 361 [2018-04-12 19:34:10,643 WARN L151 SmtUtils]: Spent 842ms on a formula simplification. DAG size of input: 388 DAG size of output 366 [2018-04-12 19:34:11,321 WARN L151 SmtUtils]: Spent 216ms on a formula simplification. DAG size of input: 232 DAG size of output 231 [2018-04-12 19:34:12,241 WARN L151 SmtUtils]: Spent 183ms on a formula simplification. DAG size of input: 206 DAG size of output 205 [2018-04-12 19:34:13,411 WARN L151 SmtUtils]: Spent 595ms on a formula simplification. DAG size of input: 330 DAG size of output 329 [2018-04-12 19:34:14,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:34:14,568 INFO L93 Difference]: Finished difference Result 570 states and 601 transitions. [2018-04-12 19:34:14,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2018-04-12 19:34:14,568 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 86 [2018-04-12 19:34:14,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:34:14,569 INFO L225 Difference]: With dead ends: 570 [2018-04-12 19:34:14,569 INFO L226 Difference]: Without dead ends: 570 [2018-04-12 19:34:14,570 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 53 SyntacticMatches, 2 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4388 ImplicationChecksByTransitivity, 25.1s TimeCoverageRelationStatistics Valid=1471, Invalid=13528, Unknown=7, NotChecked=0, Total=15006 [2018-04-12 19:34:14,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2018-04-12 19:34:14,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 358. [2018-04-12 19:34:14,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2018-04-12 19:34:14,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 383 transitions. [2018-04-12 19:34:14,572 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 383 transitions. Word has length 86 [2018-04-12 19:34:14,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:34:14,572 INFO L459 AbstractCegarLoop]: Abstraction has 358 states and 383 transitions. [2018-04-12 19:34:14,572 INFO L460 AbstractCegarLoop]: Interpolant automaton has 65 states. [2018-04-12 19:34:14,572 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 383 transitions. [2018-04-12 19:34:14,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-04-12 19:34:14,573 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:34:14,573 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-04-12 19:34:14,573 INFO L408 AbstractCegarLoop]: === Iteration 77 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:34:14,573 INFO L82 PathProgramCache]: Analyzing trace with hash -621458487, now seen corresponding path program 6 times [2018-04-12 19:34:14,573 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:34:14,573 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:34:14,573 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:34:14,573 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 19:34:14,574 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:34:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:34:14,581 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:34:14,994 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:34:14,994 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:34:14,995 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:34:15,000 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-04-12 19:34:15,076 INFO L242 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2018-04-12 19:34:15,076 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 19:34:15,079 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:34:15,153 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:34:15,153 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:15,161 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:15,161 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:15,161 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 [2018-04-12 19:34:15,162 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:15,168 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:34:15,169 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:35, output treesize:32 [2018-04-12 19:34:15,203 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 [2018-04-12 19:34:15,205 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 [2018-04-12 19:34:15,205 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:15,206 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:34:15,218 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 [2018-04-12 19:34:15,219 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:34:15,219 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:15,220 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:34:15,229 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:34:15,229 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:54, output treesize:48 [2018-04-12 19:34:15,265 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 [2018-04-12 19:34:15,271 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:34:15,272 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:15,273 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:34:15,282 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:34:15,282 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:56, output treesize:45 [2018-04-12 19:34:15,352 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 [2018-04-12 19:34:15,353 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 14 treesize of output 13 [2018-04-12 19:34:15,353 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:15,355 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:34:15,361 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:34:15,361 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:58, output treesize:58 [2018-04-12 19:34:15,399 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:15,399 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 [2018-04-12 19:34:15,399 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:15,412 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:15,413 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:15,413 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:15,414 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 46 [2018-04-12 19:34:15,414 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:15,427 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:34:15,427 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:75, output treesize:80 [2018-04-12 19:34:15,476 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:15,477 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:15,478 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 66 treesize of output 76 [2018-04-12 19:34:15,479 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2018-04-12 19:34:15,479 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:15,487 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:34:15,500 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:34:15,500 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:99, output treesize:87 [2018-04-12 19:34:15,654 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:15,656 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 [2018-04-12 19:34:15,657 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:34:15,657 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:15,661 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:34:15,675 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. [2018-04-12 19:34:15,675 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:128 [2018-04-12 19:34:15,736 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:15,737 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:15,737 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 64 [2018-04-12 19:34:15,737 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:15,762 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:15,762 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:15,763 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:15,764 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:15,764 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:15,764 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 107 [2018-04-12 19:34:15,765 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:15,789 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. [2018-04-12 19:34:15,790 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:145, output treesize:162 [2018-04-12 19:34:15,862 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:15,863 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:15,863 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:15,866 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:15,879 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 149 [2018-04-12 19:34:15,882 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2018-04-12 19:34:15,882 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:15,900 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:34:15,924 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. [2018-04-12 19:34:15,924 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:173, output treesize:182 [2018-04-12 19:34:16,128 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:16,129 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:16,134 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 44 treesize of output 89 [2018-04-12 19:34:16,136 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:34:16,137 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:16,143 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:34:16,172 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. [2018-04-12 19:34:16,172 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:239, output treesize:247 [2018-04-12 19:34:16,256 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:16,257 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:16,257 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:16,258 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 141 [2018-04-12 19:34:16,258 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:16,296 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:16,297 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:16,297 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:16,298 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:16,299 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:16,299 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:16,300 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 137 [2018-04-12 19:34:16,300 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:16,341 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. [2018-04-12 19:34:16,341 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:261, output treesize:251 [2018-04-12 19:34:16,409 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:16,410 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:16,411 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:16,412 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:16,416 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:16,420 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 241 treesize of output 208 [2018-04-12 19:34:16,423 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-04-12 19:34:16,423 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:16,450 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:34:16,489 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 20 [2018-04-12 19:34:16,490 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:34:16,491 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:16,493 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:34:16,524 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. [2018-04-12 19:34:16,524 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:273, output treesize:275 [2018-04-12 19:34:16,738 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:16,739 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:16,739 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:16,748 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 174 [2018-04-12 19:34:16,750 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:34:16,750 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:16,761 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:34:16,798 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. [2018-04-12 19:34:16,798 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:383, output treesize:395 [2018-04-12 19:34:16,895 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:16,899 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 256 [2018-04-12 19:34:16,902 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 42 treesize of output 25 [2018-04-12 19:34:16,902 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:16,913 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:34:16,948 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. [2018-04-12 19:34:16,948 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:408, output treesize:395 [2018-04-12 19:34:17,029 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 210 [2018-04-12 19:34:17,029 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:17,070 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. [2018-04-12 19:34:17,070 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:404, output treesize:403 [2018-04-12 19:34:17,153 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:17,156 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 50 treesize of output 79 [2018-04-12 19:34:17,158 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 24 treesize of output 23 [2018-04-12 19:34:17,159 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:17,169 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:34:17,222 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:17,223 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:17,224 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:17,224 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:17,225 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:17,231 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:17,238 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 396 treesize of output 286 [2018-04-12 19:34:17,241 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:34:17,241 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:17,281 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:34:17,324 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-12 19:34:17,324 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:425, output treesize:374 [2018-04-12 19:34:17,422 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 85 treesize of output 53 [2018-04-12 19:34:17,424 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:34:17,424 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:17,431 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:34:17,431 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:17,434 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:34:17,472 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. [2018-04-12 19:34:17,472 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:449, output treesize:371 [2018-04-12 19:34:17,570 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:17,581 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:17,582 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:17,587 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:17,626 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 128 treesize of output 567 [2018-04-12 19:34:17,626 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-04-12 19:34:17,652 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:34:17,662 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 395 treesize of output 452 [2018-04-12 19:34:17,663 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-12 19:34:18,732 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 104 [2018-04-12 19:34:18,732 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:18,990 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:18,995 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 126 treesize of output 153 [2018-04-12 19:34:18,996 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-12 19:34:19,111 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:19,117 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 126 treesize of output 153 [2018-04-12 19:34:19,117 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-04-12 19:34:19,199 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:34:19,200 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:19,200 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 126 treesize of output 125 [2018-04-12 19:34:19,200 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:19,421 INFO L267 ElimStorePlain]: Start of recursive call 2: 12 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-04-12 19:34:19,496 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 18 dim-0 vars, and 5 xjuncts. [2018-04-12 19:34:19,496 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:396, output treesize:1921 [2018-04-12 19:34:19,816 WARN L151 SmtUtils]: Spent 101ms on a formula simplification. DAG size of input: 307 DAG size of output 307 [2018-04-12 19:34:21,366 WARN L151 SmtUtils]: Spent 131ms on a formula simplification. DAG size of input: 313 DAG size of output 311 [2018-04-12 19:34:21,385 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:21,386 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:21,386 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:21,388 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:21,394 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 383 treesize of output 208 [2018-04-12 19:34:21,399 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 27 [2018-04-12 19:34:21,400 INFO L267 ElimStorePlain]: Start of recursive call 3: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-12 19:34:21,444 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 49 treesize of output 37 [2018-04-12 19:34:21,444 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:34:21,482 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 47 treesize of output 35 [2018-04-12 19:34:21,482 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:34:21,520 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 31 treesize of output 23 [2018-04-12 19:34:21,520 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:34:21,556 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 60 treesize of output 51 [2018-04-12 19:34:21,557 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-04-12 19:34:21,558 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 39 [2018-04-12 19:34:21,558 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:21,601 INFO L267 ElimStorePlain]: Start of recursive call 2: 5 dim-1 vars, End of recursive call: 8 dim-0 vars, and 2 xjuncts. [2018-04-12 19:34:21,861 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:21,862 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:21,863 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:21,864 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:21,865 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:21,867 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:21,870 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 358 treesize of output 203 [2018-04-12 19:34:21,891 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 34 treesize of output 59 [2018-04-12 19:34:21,893 INFO L267 ElimStorePlain]: Start of recursive call 10: 10 dim-0 vars, End of recursive call: 10 dim-0 vars, and 7 xjuncts. [2018-04-12 19:34:21,936 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 37 [2018-04-12 19:34:21,936 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:34:21,965 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 35 [2018-04-12 19:34:21,966 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:34:21,997 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 31 treesize of output 23 [2018-04-12 19:34:21,997 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:34:22,025 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 42 treesize of output 27 [2018-04-12 19:34:22,025 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:22,049 INFO L267 ElimStorePlain]: Start of recursive call 9: 5 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-12 19:34:22,279 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:22,280 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:22,281 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:22,281 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:22,282 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:22,283 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:22,284 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:22,285 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:22,286 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:22,287 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:22,289 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:22,290 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 308 treesize of output 209 [2018-04-12 19:34:22,303 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 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 3 case distinctions, treesize of input 46 treesize of output 71 [2018-04-12 19:34:22,304 INFO L267 ElimStorePlain]: Start of recursive call 16: 10 dim-0 vars, End of recursive call: 10 dim-0 vars, and 7 xjuncts. [2018-04-12 19:34:22,354 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 25 treesize of output 19 [2018-04-12 19:34:22,354 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:34:22,378 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 35 [2018-04-12 19:34:22,379 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:34:22,402 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 25 treesize of output 19 [2018-04-12 19:34:22,402 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:34:22,424 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 [2018-04-12 19:34:22,425 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:22,445 INFO L267 ElimStorePlain]: Start of recursive call 15: 5 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-12 19:34:22,666 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:22,667 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:22,668 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:22,671 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:22,672 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:22,675 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 370 treesize of output 199 [2018-04-12 19:34:22,677 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 49 treesize of output 37 [2018-04-12 19:34:22,677 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:34:22,713 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 47 treesize of output 35 [2018-04-12 19:34:22,713 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:34:22,741 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 18 [2018-04-12 19:34:22,742 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:22,775 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 31 treesize of output 23 [2018-04-12 19:34:22,775 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:34:22,800 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 [2018-04-12 19:34:22,801 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:22,822 INFO L267 ElimStorePlain]: Start of recursive call 21: 5 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-12 19:34:23,018 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:23,019 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:23,019 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:23,020 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:23,020 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:23,021 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:23,022 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:23,023 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:23,024 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:23,025 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:23,026 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:23,028 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:23,028 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 284 treesize of output 213 [2018-04-12 19:34:23,051 INFO L477 Elim1Store]: Elim1 applied some 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 6 new quantified variables, introduced 6 case distinctions, treesize of input 29 treesize of output 82 [2018-04-12 19:34:23,052 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-04-12 19:34:23,065 INFO L267 ElimStorePlain]: Start of recursive call 28: 141 dim-0 vars, End of recursive call: 141 dim-0 vars, and 54 xjuncts. [2018-04-12 19:34:23,192 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 49 treesize of output 37 [2018-04-12 19:34:23,192 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:34:23,216 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 25 treesize of output 19 [2018-04-12 19:34:23,216 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:34:23,240 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 [2018-04-12 19:34:23,240 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:23,260 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 17 [2018-04-12 19:34:23,260 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:34:23,279 INFO L267 ElimStorePlain]: Start of recursive call 27: 5 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-12 19:34:23,461 INFO L267 ElimStorePlain]: Start of recursive call 1: 23 dim-0 vars, 5 dim-2 vars, End of recursive call: 48 dim-0 vars, and 6 xjuncts. [2018-04-12 19:34:23,461 INFO L202 ElimStorePlain]: Needed 32 recursive calls to eliminate 28 variables, input treesize:1967, output treesize:641 [2018-04-12 19:34:25,967 WARN L151 SmtUtils]: Spent 2264ms on a formula simplification. DAG size of input: 352 DAG size of output 173 [2018-04-12 19:34:26,294 WARN L148 SmtUtils]: Spent 120ms on a formula simplification that was a NOOP. DAG size: 173 [2018-04-12 19:34:26,303 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:26,304 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:26,304 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:26,305 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 98 [2018-04-12 19:34:26,305 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:26,396 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:26,396 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 112 [2018-04-12 19:34:26,396 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:26,478 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:26,479 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 108 [2018-04-12 19:34:26,479 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:26,563 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:26,564 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:26,568 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:26,568 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:26,569 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 124 [2018-04-12 19:34:26,575 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 [2018-04-12 19:34:26,575 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:26,607 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 15 treesize of output 12 [2018-04-12 19:34:26,607 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-04-12 19:34:26,631 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 7 treesize of output 1 [2018-04-12 19:34:26,631 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:26,651 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 7 treesize of output 1 [2018-04-12 19:34:26,652 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:26,670 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:34:26,670 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:26,686 INFO L267 ElimStorePlain]: Start of recursive call 5: 5 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 19:34:26,783 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:26,784 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:26,784 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:26,785 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:26,786 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:26,788 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:26,790 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 116 [2018-04-12 19:34:26,815 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 16 treesize of output 41 [2018-04-12 19:34:26,816 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:26,848 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 15 treesize of output 12 [2018-04-12 19:34:26,848 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2018-04-12 19:34:26,870 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:34:26,870 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:26,891 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:34:26,891 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:26,909 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 5 treesize of output 1 [2018-04-12 19:34:26,909 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:26,924 INFO L267 ElimStorePlain]: Start of recursive call 11: 5 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 19:34:27,043 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:27,043 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:27,044 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:27,044 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:27,045 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:27,045 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:27,047 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:27,047 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:27,048 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:27,049 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:34:27,050 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 114 [2018-04-12 19:34:27,072 INFO L477 Elim1Store]: Elim1 applied some 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 6 new quantified variables, introduced 6 case distinctions, treesize of input 18 treesize of output 67 [2018-04-12 19:34:27,072 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-04-12 19:34:27,088 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:27,114 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 5 treesize of output 1 [2018-04-12 19:34:27,115 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:27,136 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:34:27,136 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:27,154 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:34:27,154 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-04-12 19:34:27,174 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 15 treesize of output 12 [2018-04-12 19:34:27,174 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 2 xjuncts. [2018-04-12 19:34:27,189 INFO L267 ElimStorePlain]: Start of recursive call 17: 5 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 19:34:27,327 INFO L267 ElimStorePlain]: Start of recursive call 1: 26 dim-0 vars, 3 dim-1 vars, 3 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-12 19:34:27,327 INFO L202 ElimStorePlain]: Needed 22 recursive calls to eliminate 32 variables, input treesize:355, output treesize:28 [2018-04-12 19:34:27,601 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:34:27,619 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:34:27,619 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 40] total 68 [2018-04-12 19:34:27,619 INFO L442 AbstractCegarLoop]: Interpolant automaton has 68 states [2018-04-12 19:34:27,620 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2018-04-12 19:34:27,620 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=277, Invalid=4279, Unknown=0, NotChecked=0, Total=4556 [2018-04-12 19:34:27,620 INFO L87 Difference]: Start difference. First operand 358 states and 383 transitions. Second operand 68 states. [2018-04-12 19:34:31,409 WARN L151 SmtUtils]: Spent 136ms on a formula simplification. DAG size of input: 152 DAG size of output 128 [2018-04-12 19:34:36,158 WARN L151 SmtUtils]: Spent 181ms on a formula simplification. DAG size of input: 347 DAG size of output 345 [2018-04-12 19:34:36,788 WARN L151 SmtUtils]: Spent 213ms on a formula simplification. DAG size of input: 588 DAG size of output 334 [2018-04-12 19:34:37,393 WARN L151 SmtUtils]: Spent 212ms on a formula simplification. DAG size of input: 592 DAG size of output 339 [2018-04-12 19:34:37,981 WARN L151 SmtUtils]: Spent 249ms on a formula simplification. DAG size of input: 592 DAG size of output 339 [2018-04-12 19:34:38,839 WARN L151 SmtUtils]: Spent 253ms on a formula simplification. DAG size of input: 594 DAG size of output 341 [2018-04-12 19:34:39,542 WARN L151 SmtUtils]: Spent 227ms on a formula simplification. DAG size of input: 591 DAG size of output 338 [2018-04-12 19:35:08,127 WARN L151 SmtUtils]: Spent 28167ms on a formula simplification. DAG size of input: 726 DAG size of output 473 [2018-04-12 19:35:23,314 WARN L151 SmtUtils]: Spent 14854ms on a formula simplification. DAG size of input: 459 DAG size of output 459 [2018-04-12 19:35:23,636 WARN L151 SmtUtils]: Spent 137ms on a formula simplification. DAG size of input: 319 DAG size of output 319 [2018-04-12 19:35:38,288 WARN L151 SmtUtils]: Spent 14382ms on a formula simplification. DAG size of input: 469 DAG size of output 469 [2018-04-12 19:35:38,605 WARN L151 SmtUtils]: Spent 132ms on a formula simplification. DAG size of input: 322 DAG size of output 322 [2018-04-12 19:35:51,285 WARN L151 SmtUtils]: Spent 11282ms on a formula simplification. DAG size of input: 461 DAG size of output 461 [2018-04-12 19:36:04,373 WARN L151 SmtUtils]: Spent 12569ms on a formula simplification. DAG size of input: 463 DAG size of output 463 [2018-04-12 19:36:05,008 WARN L151 SmtUtils]: Spent 180ms on a formula simplification. DAG size of input: 577 DAG size of output 326 [2018-04-12 19:36:06,742 WARN L148 SmtUtils]: Spent 140ms on a formula simplification that was a NOOP. DAG size: 556 [2018-04-12 19:36:07,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:36:07,727 INFO L93 Difference]: Finished difference Result 535 states and 563 transitions. [2018-04-12 19:36:07,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2018-04-12 19:36:07,727 INFO L78 Accepts]: Start accepts. Automaton has 68 states. Word has length 86 [2018-04-12 19:36:07,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:36:07,728 INFO L225 Difference]: With dead ends: 535 [2018-04-12 19:36:07,728 INFO L226 Difference]: Without dead ends: 530 [2018-04-12 19:36:07,729 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5611 ImplicationChecksByTransitivity, 99.3s TimeCoverageRelationStatistics Valid=2000, Invalid=17459, Unknown=1, NotChecked=0, Total=19460 [2018-04-12 19:36:07,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2018-04-12 19:36:07,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 361. [2018-04-12 19:36:07,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2018-04-12 19:36:07,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 387 transitions. [2018-04-12 19:36:07,736 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 387 transitions. Word has length 86 [2018-04-12 19:36:07,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:36:07,736 INFO L459 AbstractCegarLoop]: Abstraction has 361 states and 387 transitions. [2018-04-12 19:36:07,736 INFO L460 AbstractCegarLoop]: Interpolant automaton has 68 states. [2018-04-12 19:36:07,736 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 387 transitions. [2018-04-12 19:36:07,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-04-12 19:36:07,736 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:36:07,736 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-04-12 19:36:07,737 INFO L408 AbstractCegarLoop]: === Iteration 78 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:36:07,737 INFO L82 PathProgramCache]: Analyzing trace with hash -346298443, now seen corresponding path program 1 times [2018-04-12 19:36:07,737 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:36:07,737 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:36:07,737 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:36:07,737 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 19:36:07,737 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:36:07,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:36:07,743 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:36:07,783 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-04-12 19:36:07,783 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:36:07,783 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:36:07,789 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:36:07,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:36:07,809 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:36:07,832 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 [2018-04-12 19:36:07,833 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-04-12 19:36:07,834 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:36:07,834 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:36:07,835 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:36:07,835 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2018-04-12 19:36:07,839 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-04-12 19:36:07,857 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 19:36:07,858 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2018-04-12 19:36:07,858 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-12 19:36:07,858 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-12 19:36:07,858 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2018-04-12 19:36:07,858 INFO L87 Difference]: Start difference. First operand 361 states and 387 transitions. Second operand 12 states. [2018-04-12 19:36:08,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:36:08,160 INFO L93 Difference]: Finished difference Result 442 states and 464 transitions. [2018-04-12 19:36:08,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-12 19:36:08,161 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 88 [2018-04-12 19:36:08,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:36:08,161 INFO L225 Difference]: With dead ends: 442 [2018-04-12 19:36:08,161 INFO L226 Difference]: Without dead ends: 442 [2018-04-12 19:36:08,162 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2018-04-12 19:36:08,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2018-04-12 19:36:08,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 389. [2018-04-12 19:36:08,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2018-04-12 19:36:08,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 417 transitions. [2018-04-12 19:36:08,164 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 417 transitions. Word has length 88 [2018-04-12 19:36:08,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:36:08,164 INFO L459 AbstractCegarLoop]: Abstraction has 389 states and 417 transitions. [2018-04-12 19:36:08,164 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-12 19:36:08,164 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 417 transitions. [2018-04-12 19:36:08,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-04-12 19:36:08,164 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:36:08,164 INFO L355 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2018-04-12 19:36:08,164 INFO L408 AbstractCegarLoop]: === Iteration 79 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr42AssertViolationMEMORY_FREE, mainErr34AssertViolationMEMORY_FREE, mainErr44EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr43AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr37RequiresViolation]=== [2018-04-12 19:36:08,164 INFO L82 PathProgramCache]: Analyzing trace with hash 2135733137, now seen corresponding path program 10 times [2018-04-12 19:36:08,165 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 19:36:08,165 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 19:36:08,165 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:36:08,165 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 19:36:08,165 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 19:36:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:36:08,175 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:36:08,675 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-04-12 19:36:08,675 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 19:36:08,675 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 19:36:08,680 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-04-12 19:36:08,713 INFO L242 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-04-12 19:36:08,714 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 19:36:08,716 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 19:36:08,729 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:36:08,729 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:36:08,739 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:08,740 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:08,740 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 [2018-04-12 19:36:08,740 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:36:08,749 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:36:08,749 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:35, output treesize:32 [2018-04-12 19:36:08,798 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 [2018-04-12 19:36:08,799 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 19:36:08,799 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:36:08,801 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:36:08,813 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 11 treesize of output 8 [2018-04-12 19:36:08,814 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:36:08,814 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:36:08,815 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:36:08,825 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:36:08,825 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:51, output treesize:48 [2018-04-12 19:36:08,929 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:08,930 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 19 treesize of output 30 [2018-04-12 19:36:08,930 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:36:08,946 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:08,947 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:08,948 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:08,948 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 42 [2018-04-12 19:36:08,948 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:36:08,962 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:36:08,962 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:61, output treesize:74 [2018-04-12 19:36:09,005 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:09,006 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 48 treesize of output 58 [2018-04-12 19:36:09,007 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 18 treesize of output 16 [2018-04-12 19:36:09,008 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:36:09,014 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:36:09,032 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:09,035 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 19 treesize of output 24 [2018-04-12 19:36:09,036 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:36:09,036 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:36:09,040 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:36:09,055 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:36:09,055 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:104, output treesize:85 [2018-04-12 19:36:09,184 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:09,184 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:09,185 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:09,186 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:09,186 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:09,186 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 99 [2018-04-12 19:36:09,187 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:36:09,210 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 40 treesize of output 75 [2018-04-12 19:36:09,210 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:36:09,228 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. [2018-04-12 19:36:09,228 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:130, output treesize:147 [2018-04-12 19:36:09,282 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:09,283 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:09,283 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:09,286 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:09,288 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 126 treesize of output 134 [2018-04-12 19:36:09,291 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2018-04-12 19:36:09,291 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:36:09,313 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:36:09,345 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:09,348 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 19 treesize of output 28 [2018-04-12 19:36:09,349 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:36:09,350 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:36:09,353 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:36:09,375 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. [2018-04-12 19:36:09,375 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:169, output treesize:159 [2018-04-12 19:36:09,541 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:09,542 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:09,543 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:09,543 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:09,544 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:09,545 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:09,545 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 192 [2018-04-12 19:36:09,545 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:36:09,579 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 152 [2018-04-12 19:36:09,579 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:36:09,608 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. [2018-04-12 19:36:09,608 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:228, output treesize:261 [2018-04-12 19:36:09,673 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:09,674 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:09,674 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:09,675 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:09,679 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:09,683 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 240 treesize of output 207 [2018-04-12 19:36:09,685 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-04-12 19:36:09,685 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:36:09,713 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:36:09,752 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:09,755 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 19 treesize of output 32 [2018-04-12 19:36:09,756 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:36:09,757 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:36:09,760 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:36:09,798 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. [2018-04-12 19:36:09,798 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:283, output treesize:261 [2018-04-12 19:36:10,009 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:10,010 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:10,011 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:10,012 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:10,013 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:10,013 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:10,014 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:10,014 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 337 [2018-04-12 19:36:10,014 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:36:10,072 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 14 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 277 [2018-04-12 19:36:10,072 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:36:10,123 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 1 xjuncts. [2018-04-12 19:36:10,123 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:381, output treesize:434 [2018-04-12 19:36:10,203 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:10,206 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 19 treesize of output 36 [2018-04-12 19:36:10,208 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 24 treesize of output 23 [2018-04-12 19:36:10,208 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:36:10,213 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:36:10,278 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:10,279 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:10,279 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:10,280 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:10,281 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:10,285 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:10,293 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 433 treesize of output 303 [2018-04-12 19:36:10,296 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 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 [2018-04-12 19:36:10,296 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 19:36:10,342 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:36:10,393 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-12 19:36:10,393 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:453, output treesize:450 [2018-04-12 19:36:10,659 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 13 treesize of output 10 [2018-04-12 19:36:10,661 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-12 19:36:10,661 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:36:10,663 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 19:36:10,722 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. [2018-04-12 19:36:10,722 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:611, output treesize:607 [2018-04-12 19:36:10,811 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:10,812 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:10,813 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:10,814 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:10,815 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:10,816 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:10,816 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:10,817 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:10,817 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 22 disjoint index pairs (out of 21 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 445 [2018-04-12 19:36:10,817 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 19:36:10,888 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 20 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 462 [2018-04-12 19:36:10,889 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:36:10,952 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-04-12 19:36:10,952 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:618, output treesize:606 [2018-04-12 19:36:11,062 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 6 case distinctions, treesize of input 65 treesize of output 126 [2018-04-12 19:36:11,065 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 125 [2018-04-12 19:36:11,065 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 19:36:11,144 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:36:11,145 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 63 treesize of output 80 [2018-04-12 19:36:11,145 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 19:36:11,192 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 48 [2018-04-12 19:36:11,192 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-12 19:36:11,245 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-12 19:36:11,343 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:11,344 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:11,347 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:11,355 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:11,359 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 18 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 616 treesize of output 360 [2018-04-12 19:36:11,363 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:36:11,375 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 607 treesize of output 535 [2018-04-12 19:36:11,379 INFO L267 ElimStorePlain]: Start of recursive call 7: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-04-12 19:36:11,592 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-04-12 19:36:11,595 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:11,596 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:11,597 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:11,598 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:11,603 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:11,605 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:11,606 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:11,608 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 579 treesize of output 371 [2018-04-12 19:36:11,637 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 136 treesize of output 158 [2018-04-12 19:36:11,641 INFO L267 ElimStorePlain]: Start of recursive call 9: 16 dim-0 vars, End of recursive call: 16 dim-0 vars, and 9 xjuncts. [2018-04-12 19:36:11,914 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: 16 dim-0 vars, and 9 xjuncts. [2018-04-12 19:36:11,922 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:11,936 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:11,938 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:11,941 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 19:36:11,985 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 18 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 620 treesize of output 354 [2018-04-12 19:36:11,985 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2018-04-12 19:36:12,256 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-04-12 19:36:12,256 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-12 19:36:36,958 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 19:36:36,958 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 438 treesize of output 378 [2018-04-12 19:36:36,959 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:36:59,541 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:37:05,154 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:37:27,203 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:37:32,785 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:38:29,005 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 450 treesize of output 486 [2018-04-12 19:38:29,006 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 19:39:06,831 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:40:06,444 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:40:11,905 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 19:40:17,019 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 360 treesize of output 322 [2018-04-12 19:40:17,020 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. Received shutdown request... [2018-04-12 19:40:27,328 INFO L175 TraceCheckSpWp]: Timeout while computing interpolants [2018-04-12 19:40:27,328 WARN L519 AbstractCegarLoop]: Verification canceled [2018-04-12 19:40:27,331 WARN L197 ceAbstractionStarter]: Timeout [2018-04-12 19:40:27,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.04 07:40:27 BoogieIcfgContainer [2018-04-12 19:40:27,331 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-12 19:40:27,332 INFO L168 Benchmark]: Toolchain (without parser) took 817255.95 ms. Allocated memory was 399.5 MB in the beginning and 493.4 MB in the end (delta: 93.8 MB). Free memory was 338.0 MB in the beginning and 311.0 MB in the end (delta: 27.0 MB). Peak memory consumption was 270.8 MB. Max. memory is 5.3 GB. [2018-04-12 19:40:27,333 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 399.5 MB. Free memory is still 362.9 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 19:40:27,333 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.58 ms. Allocated memory is still 399.5 MB. Free memory was 336.6 MB in the beginning and 310.2 MB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 5.3 GB. [2018-04-12 19:40:27,333 INFO L168 Benchmark]: Boogie Preprocessor took 41.71 ms. Allocated memory is still 399.5 MB. Free memory was 310.2 MB in the beginning and 307.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-12 19:40:27,334 INFO L168 Benchmark]: RCFGBuilder took 460.05 ms. Allocated memory was 399.5 MB in the beginning and 605.0 MB in the end (delta: 205.5 MB). Free memory was 307.6 MB in the beginning and 529.8 MB in the end (delta: -222.2 MB). Peak memory consumption was 24.4 MB. Max. memory is 5.3 GB. [2018-04-12 19:40:27,334 INFO L168 Benchmark]: TraceAbstraction took 816476.66 ms. Allocated memory was 605.0 MB in the beginning and 493.4 MB in the end (delta: -111.7 MB). Free memory was 527.9 MB in the beginning and 311.0 MB in the end (delta: 216.9 MB). Peak memory consumption was 255.2 MB. Max. memory is 5.3 GB. [2018-04-12 19:40:27,335 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 399.5 MB. Free memory is still 362.9 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 274.58 ms. Allocated memory is still 399.5 MB. Free memory was 336.6 MB in the beginning and 310.2 MB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 41.71 ms. Allocated memory is still 399.5 MB. Free memory was 310.2 MB in the beginning and 307.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 460.05 ms. Allocated memory was 399.5 MB in the beginning and 605.0 MB in the end (delta: 205.5 MB). Free memory was 307.6 MB in the beginning and 529.8 MB in the end (delta: -222.2 MB). Peak memory consumption was 24.4 MB. Max. memory is 5.3 GB. * TraceAbstraction took 816476.66 ms. Allocated memory was 605.0 MB in the beginning and 493.4 MB in the end (delta: -111.7 MB). Free memory was 527.9 MB in the beginning and 311.0 MB in the end (delta: 216.9 MB). Peak memory consumption was 255.2 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1002]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1002). Cancelled while BasicCegarLoop was analyzing trace of length 89 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1464. - TimeoutResultAtElement [Line: 1008]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1008). Cancelled while BasicCegarLoop was analyzing trace of length 89 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1464. - TimeoutResultAtElement [Line: 1032]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1032). Cancelled while BasicCegarLoop was analyzing trace of length 89 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1464. - TimeoutResultAtElement [Line: 1022]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1022). Cancelled while BasicCegarLoop was analyzing trace of length 89 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1464. - TimeoutResultAtElement [Line: 1029]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1029). Cancelled while BasicCegarLoop was analyzing trace of length 89 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1464. - TimeoutResultAtElement [Line: 1021]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1021). Cancelled while BasicCegarLoop was analyzing trace of length 89 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1464. - TimeoutResultAtElement [Line: 1015]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1015). Cancelled while BasicCegarLoop was analyzing trace of length 89 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1464. - TimeoutResultAtElement [Line: 1018]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1018). Cancelled while BasicCegarLoop was analyzing trace of length 89 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1464. - TimeoutResultAtElement [Line: 1033]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1033). Cancelled while BasicCegarLoop was analyzing trace of length 89 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1464. - TimeoutResultAtElement [Line: 993]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 993). Cancelled while BasicCegarLoop was analyzing trace of length 89 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1464. - TimeoutResultAtElement [Line: 1017]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1017). Cancelled while BasicCegarLoop was analyzing trace of length 89 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1464. - TimeoutResultAtElement [Line: 1026]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1026). Cancelled while BasicCegarLoop was analyzing trace of length 89 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1464. - TimeoutResultAtElement [Line: 1022]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1022). Cancelled while BasicCegarLoop was analyzing trace of length 89 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1464. - TimeoutResultAtElement [Line: 994]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 994). Cancelled while BasicCegarLoop was analyzing trace of length 89 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1464. - TimeoutResultAtElement [Line: 1030]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1030). Cancelled while BasicCegarLoop was analyzing trace of length 89 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1464. - TimeoutResultAtElement [Line: 1033]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1033). Cancelled while BasicCegarLoop was analyzing trace of length 89 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1464. - TimeoutResultAtElement [Line: 1009]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1009). Cancelled while BasicCegarLoop was analyzing trace of length 89 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1464. - TimeoutResultAtElement [Line: 1009]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1009). Cancelled while BasicCegarLoop was analyzing trace of length 89 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1464. - TimeoutResultAtElement [Line: 1020]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1020). Cancelled while BasicCegarLoop was analyzing trace of length 89 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1464. - TimeoutResultAtElement [Line: 994]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 994). Cancelled while BasicCegarLoop was analyzing trace of length 89 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1464. - TimeoutResultAtElement [Line: 1008]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1008). Cancelled while BasicCegarLoop was analyzing trace of length 89 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1464. - TimeoutResultAtElement [Line: 1033]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1033). Cancelled while BasicCegarLoop was analyzing trace of length 89 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1464. - TimeoutResultAtElement [Line: 1033]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1033). Cancelled while BasicCegarLoop was analyzing trace of length 89 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1464. - TimeoutResultAtElement [Line: 1003]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1003). Cancelled while BasicCegarLoop was analyzing trace of length 89 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1464. - TimeoutResultAtElement [Line: 1015]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1015). Cancelled while BasicCegarLoop was analyzing trace of length 89 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1464. - TimeoutResultAtElement [Line: 1018]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1018). Cancelled while BasicCegarLoop was analyzing trace of length 89 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1464. - TimeoutResultAtElement [Line: 1029]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1029). Cancelled while BasicCegarLoop was analyzing trace of length 89 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1464. - TimeoutResultAtElement [Line: 1021]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1021). Cancelled while BasicCegarLoop was analyzing trace of length 89 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1464. - TimeoutResultAtElement [Line: 993]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 993). Cancelled while BasicCegarLoop was analyzing trace of length 89 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1464. - TimeoutResultAtElement [Line: 1009]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1009). Cancelled while BasicCegarLoop was analyzing trace of length 89 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1464. - TimeoutResultAtElement [Line: 1004]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1004). Cancelled while BasicCegarLoop was analyzing trace of length 89 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1464. - TimeoutResultAtElement [Line: 1034]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1034). Cancelled while BasicCegarLoop was analyzing trace of length 89 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1464. - TimeoutResultAtElement [Line: 1030]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1030). Cancelled while BasicCegarLoop was analyzing trace of length 89 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1464. - TimeoutResultAtElement [Line: 989]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 989). Cancelled while BasicCegarLoop was analyzing trace of length 89 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1464. - TimeoutResultAtElement [Line: 1026]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1026). Cancelled while BasicCegarLoop was analyzing trace of length 89 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1464. - TimeoutResultAtElement [Line: 1003]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1003). Cancelled while BasicCegarLoop was analyzing trace of length 89 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1464. - TimeoutResultAtElement [Line: 1017]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1017). Cancelled while BasicCegarLoop was analyzing trace of length 89 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1464. - TimeoutResultAtElement [Line: 1007]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1007). Cancelled while BasicCegarLoop was analyzing trace of length 89 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1464. - TimeoutResultAtElement [Line: 1020]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1020). Cancelled while BasicCegarLoop was analyzing trace of length 89 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1464. - TimeoutResultAtElement [Line: 1004]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1004). Cancelled while BasicCegarLoop was analyzing trace of length 89 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1464. - TimeoutResultAtElement [Line: 1007]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1007). Cancelled while BasicCegarLoop was analyzing trace of length 89 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1464. - TimeoutResultAtElement [Line: 1034]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1034). Cancelled while BasicCegarLoop was analyzing trace of length 89 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1464. - TimeoutResultAtElement [Line: 1002]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1002). Cancelled while BasicCegarLoop was analyzing trace of length 89 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1464. - TimeoutResultAtElement [Line: 1009]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1009). Cancelled while BasicCegarLoop was analyzing trace of length 89 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1464. - TimeoutResultAtElement [Line: 1032]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1032). Cancelled while BasicCegarLoop was analyzing trace of length 89 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 1464. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 120 locations, 45 error locations. TIMEOUT Result, 816.4s OverallTime, 79 OverallIterations, 6 TraceHistogramMax, 379.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6491 SDtfs, 51330 SDslu, 102132 SDs, 0 SdLazy, 133498 SolverSat, 8466 SolverUnsat, 332 SolverUnknown, 0 SolverNotchecked, 134.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7294 GetRequests, 3218 SyntacticMatches, 166 SemanticMatches, 3910 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74000 ImplicationChecksByTransitivity, 320.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=389occurred in iteration=78, 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, 78 MinimizatonAttempts, 6874 StatesRemovedByMinimization, 76 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 172.3s InterpolantComputationTime, 8610 NumberOfCodeBlocks, 8589 NumberOfCodeBlocksAsserted, 199 NumberOfCheckSat, 8471 ConstructedInterpolants, 1360 QuantifiedInterpolants, 30164425 SizeOfPredicates, 1216 NumberOfNonLiveVariables, 14813 ConjunctsInSsa, 3247 ConjunctsInUnsatCore, 139 InterpolantComputations, 17 PerfectInterpolantSequences, 216/3667 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/sll-token_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-12_19-40-27-341.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/sll-token_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-12_19-40-27-341.csv Completed graceful shutdown