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 -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/list-properties/alternating_list_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cf7e2d-m [2018-03-29 21:41:03,478 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-03-29 21:41:03,480 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-03-29 21:41:03,494 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-03-29 21:41:03,495 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-03-29 21:41:03,496 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-03-29 21:41:03,497 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-03-29 21:41:03,499 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-03-29 21:41:03,501 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-03-29 21:41:03,502 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-03-29 21:41:03,503 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-03-29 21:41:03,503 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-03-29 21:41:03,504 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-03-29 21:41:03,506 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-03-29 21:41:03,507 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-03-29 21:41:03,509 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-03-29 21:41:03,511 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-03-29 21:41:03,513 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-03-29 21:41:03,514 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-03-29 21:41:03,516 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-03-29 21:41:03,518 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-03-29 21:41:03,524 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-03-29 21:41:03,525 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-03-29 21:41:03,525 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-03-29 21:41:03,552 INFO L110 SettingsManager]: Loading preferences was successful [2018-03-29 21:41:03,552 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-03-29 21:41:03,553 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-03-29 21:41:03,553 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-03-29 21:41:03,553 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-03-29 21:41:03,554 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-03-29 21:41:03,554 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-03-29 21:41:03,554 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-03-29 21:41:03,554 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-03-29 21:41:03,554 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-03-29 21:41:03,555 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-03-29 21:41:03,555 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-03-29 21:41:03,555 INFO L133 SettingsManager]: * sizeof long=4 [2018-03-29 21:41:03,555 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-03-29 21:41:03,555 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-03-29 21:41:03,556 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-03-29 21:41:03,556 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-03-29 21:41:03,556 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-03-29 21:41:03,556 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-03-29 21:41:03,556 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-03-29 21:41:03,556 INFO L133 SettingsManager]: * sizeof long double=12 [2018-03-29 21:41:03,557 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-03-29 21:41:03,557 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-03-29 21:41:03,557 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-03-29 21:41:03,557 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-03-29 21:41:03,557 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-29 21:41:03,558 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-03-29 21:41:03,558 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-03-29 21:41:03,558 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-03-29 21:41:03,558 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-03-29 21:41:03,558 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-03-29 21:41:03,559 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:41:03,559 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-03-29 21:41:03,560 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-03-29 21:41:03,560 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-03-29 21:41:03,560 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-03-29 21:41:03,560 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-03-29 21:41:03,595 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-03-29 21:41:03,608 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-03-29 21:41:03,613 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-03-29 21:41:03,615 INFO L271 PluginConnector]: Initializing CDTParser... [2018-03-29 21:41:03,615 INFO L276 PluginConnector]: CDTParser initialized [2018-03-29 21:41:03,616 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-properties/alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:03,971 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG9849a7a4e [2018-03-29 21:41:04,144 INFO L287 CDTParser]: IsIndexed: true [2018-03-29 21:41:04,145 INFO L288 CDTParser]: Found 1 translation units. [2018-03-29 21:41:04,145 INFO L168 CDTParser]: Scanning alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,156 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-03-29 21:41:04,156 INFO L215 ultiparseSymbolTable]: [2018-03-29 21:41:04,157 INFO L218 ultiparseSymbolTable]: Function table: [2018-03-29 21:41:04,157 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,157 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__exit ('exit') in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,157 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-03-29 21:41:04,157 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__lldiv_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,157 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____id_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,157 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__pthread_rwlock_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,158 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__fd_set in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,158 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____qaddr_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,158 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____blksize_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,158 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__blksize_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,158 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____uint32_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,158 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__time_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,158 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____caddr_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,159 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__List in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,159 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__pthread_key_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,159 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__int16_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,159 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__uid_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,159 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____dev_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,159 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____fsblkcnt_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,159 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__blkcnt_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,159 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__mode_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,160 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__sigset_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,160 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____u_short in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,160 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__ulong in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,160 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__div_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,160 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____u_long in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,160 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____int16_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,160 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__caddr_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,160 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____uint16_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,161 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__daddr_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,161 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____fsid_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,161 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__clock_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,161 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____fsfilcnt64_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,161 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__ino_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,161 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__ldiv_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,161 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__pid_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,161 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__u_long in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,162 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__suseconds_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,162 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____int8_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,162 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____loff_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,162 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____swblk_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,162 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__pthread_barrierattr_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,162 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__fsid_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,162 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__register_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,162 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__int64_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,162 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____clock_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,162 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__pthread_mutex_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,163 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____time_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,163 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____WAIT_STATUS in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,163 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____key_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,163 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__ushort in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,163 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____uint8_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,163 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__u_quad_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,163 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____daddr_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,163 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__loff_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,163 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____rlim64_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,163 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__int8_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,163 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____fsfilcnt_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,163 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__u_int64_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,163 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__wchar_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,164 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__pthread_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,164 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__uint in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,164 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____fd_mask in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,164 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__nlink_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,164 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____useconds_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,164 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__pthread_condattr_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,164 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____int64_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,164 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__dev_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,165 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____u_int in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,165 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__u_int8_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,165 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__pthread_attr_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,165 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__clockid_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,165 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____clockid_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,165 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____sig_atomic_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,165 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____blkcnt_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,165 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__quad_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,165 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__u_int16_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,165 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__pthread_cond_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,166 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__pthread_spinlock_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,166 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__fd_mask in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,166 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____uint64_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,166 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__ssize_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,166 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__pthread_once_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,166 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____ino_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,166 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__u_short in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,166 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____uid_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,166 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__gid_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,166 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__id_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,167 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____ino64_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,167 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____sigset_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,167 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__fsfilcnt_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,167 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____socklen_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,167 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____quad_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,167 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____mode_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,167 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__int32_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,167 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____gid_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,167 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____intptr_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,168 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____off_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,168 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__pthread_barrier_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,168 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____u_quad_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,168 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__pthread_rwlockattr_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,168 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____blkcnt64_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,168 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__size_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,168 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__off_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,168 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____nlink_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,168 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__u_char in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,169 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__key_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,169 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____ssize_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,169 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__timer_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,169 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____rlim_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,169 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__u_int in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,169 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__u_int32_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,169 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____pthread_list_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,170 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____int32_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,170 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__fsblkcnt_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,170 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____pid_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,170 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____timer_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,170 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__pthread_mutexattr_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,170 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____off64_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,170 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____suseconds_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,170 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____u_char in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,170 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i____fsblkcnt64_t in alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:04,189 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG9849a7a4e [2018-03-29 21:41:04,194 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-03-29 21:41:04,199 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-03-29 21:41:04,200 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-03-29 21:41:04,200 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-03-29 21:41:04,207 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-03-29 21:41:04,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 09:41:04" (1/1) ... [2018-03-29 21:41:04,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e34c4c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:41:04, skipping insertion in model container [2018-03-29 21:41:04,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 09:41:04" (1/1) ... [2018-03-29 21:41:04,226 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-29 21:41:04,259 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-29 21:41:04,432 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-29 21:41:04,484 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-29 21:41:04,492 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 113 non ball SCCs. Number of states in SCCs 113. [2018-03-29 21:41:04,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:41:04 WrapperNode [2018-03-29 21:41:04,540 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-03-29 21:41:04,541 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-03-29 21:41:04,541 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-03-29 21:41:04,541 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-03-29 21:41:04,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:41:04" (1/1) ... [2018-03-29 21:41:04,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:41:04" (1/1) ... [2018-03-29 21:41:04,571 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:41:04" (1/1) ... [2018-03-29 21:41:04,571 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:41:04" (1/1) ... [2018-03-29 21:41:04,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:41:04" (1/1) ... [2018-03-29 21:41:04,589 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:41:04" (1/1) ... [2018-03-29 21:41:04,592 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:41:04" (1/1) ... [2018-03-29 21:41:04,597 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-03-29 21:41:04,598 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-03-29 21:41:04,598 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-03-29 21:41:04,598 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-03-29 21:41:04,599 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:41:04" (1/1) ... No working directory specified, using /storage/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 [2018-03-29 21:41:04,721 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-03-29 21:41:04,721 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-03-29 21:41:04,721 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__exit [2018-03-29 21:41:04,721 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-03-29 21:41:04,722 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-03-29 21:41:04,722 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-03-29 21:41:04,722 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-03-29 21:41:04,722 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-03-29 21:41:04,722 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-03-29 21:41:04,722 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-03-29 21:41:04,722 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-03-29 21:41:04,722 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-03-29 21:41:04,723 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-03-29 21:41:04,723 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-03-29 21:41:04,723 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-03-29 21:41:04,723 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-03-29 21:41:04,723 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-03-29 21:41:04,723 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-03-29 21:41:04,724 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-03-29 21:41:04,724 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-03-29 21:41:04,724 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-03-29 21:41:04,724 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-03-29 21:41:04,724 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-03-29 21:41:04,724 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-03-29 21:41:04,725 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-03-29 21:41:04,725 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-03-29 21:41:04,725 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-03-29 21:41:04,725 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-03-29 21:41:04,725 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-03-29 21:41:04,725 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-03-29 21:41:04,726 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-03-29 21:41:04,726 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-03-29 21:41:04,726 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-03-29 21:41:04,726 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-03-29 21:41:04,726 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-03-29 21:41:04,726 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-03-29 21:41:04,727 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-03-29 21:41:04,727 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-03-29 21:41:04,727 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-03-29 21:41:04,727 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-03-29 21:41:04,727 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-03-29 21:41:04,727 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-03-29 21:41:04,727 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-03-29 21:41:04,727 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-03-29 21:41:04,728 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-03-29 21:41:04,728 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-03-29 21:41:04,728 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-03-29 21:41:04,728 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-03-29 21:41:04,728 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-03-29 21:41:04,728 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-03-29 21:41:04,728 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-03-29 21:41:04,729 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-03-29 21:41:04,729 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-03-29 21:41:04,729 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-03-29 21:41:04,729 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-03-29 21:41:04,729 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-03-29 21:41:04,729 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-03-29 21:41:04,729 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-03-29 21:41:04,730 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-03-29 21:41:04,730 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-03-29 21:41:04,730 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-03-29 21:41:04,730 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-03-29 21:41:04,730 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-03-29 21:41:04,730 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-03-29 21:41:04,730 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-03-29 21:41:04,730 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-03-29 21:41:04,731 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-03-29 21:41:04,731 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_falternating_list_true_unreach_call_true_valid_memsafety_i__exit [2018-03-29 21:41:04,731 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-03-29 21:41:04,731 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-03-29 21:41:04,731 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-03-29 21:41:04,731 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-03-29 21:41:04,731 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-03-29 21:41:04,731 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-03-29 21:41:04,732 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-03-29 21:41:04,732 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-03-29 21:41:04,732 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-03-29 21:41:04,732 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-03-29 21:41:04,732 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-03-29 21:41:04,732 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-03-29 21:41:04,732 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-03-29 21:41:04,733 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-03-29 21:41:04,733 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-03-29 21:41:04,733 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-03-29 21:41:04,733 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-03-29 21:41:04,733 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-03-29 21:41:04,733 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-03-29 21:41:04,733 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-03-29 21:41:04,733 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-03-29 21:41:04,734 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-03-29 21:41:04,734 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-03-29 21:41:04,734 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-03-29 21:41:04,734 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-03-29 21:41:04,734 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-03-29 21:41:04,734 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-03-29 21:41:04,734 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-03-29 21:41:04,734 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-03-29 21:41:04,735 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-03-29 21:41:04,735 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-03-29 21:41:04,735 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-03-29 21:41:04,735 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-03-29 21:41:04,735 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-03-29 21:41:04,735 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-03-29 21:41:04,735 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-03-29 21:41:04,736 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-03-29 21:41:04,736 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-03-29 21:41:04,736 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-03-29 21:41:04,736 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-03-29 21:41:04,736 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-03-29 21:41:04,736 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-03-29 21:41:04,736 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-03-29 21:41:04,736 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-03-29 21:41:04,737 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-03-29 21:41:04,737 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-03-29 21:41:04,737 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-03-29 21:41:04,737 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-03-29 21:41:04,737 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-03-29 21:41:05,150 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-03-29 21:41:05,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 09:41:05 BoogieIcfgContainer [2018-03-29 21:41:05,151 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-03-29 21:41:05,152 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-03-29 21:41:05,152 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-03-29 21:41:05,156 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-03-29 21:41:05,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 09:41:04" (1/3) ... [2018-03-29 21:41:05,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19e9e87f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 09:41:05, skipping insertion in model container [2018-03-29 21:41:05,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:41:04" (2/3) ... [2018-03-29 21:41:05,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19e9e87f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 09:41:05, skipping insertion in model container [2018-03-29 21:41:05,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 09:41:05" (3/3) ... [2018-03-29 21:41:05,159 INFO L107 eAbstractionObserver]: Analyzing ICFG alternating_list_true-unreach-call_true-valid-memsafety.i [2018-03-29 21:41:05,170 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-03-29 21:41:05,179 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 27 error locations. [2018-03-29 21:41:05,218 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-03-29 21:41:05,219 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-03-29 21:41:05,219 INFO L370 AbstractCegarLoop]: Hoare is true [2018-03-29 21:41:05,219 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-03-29 21:41:05,219 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-03-29 21:41:05,219 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-03-29 21:41:05,219 INFO L374 AbstractCegarLoop]: Difference is false [2018-03-29 21:41:05,219 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-03-29 21:41:05,220 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-03-29 21:41:05,220 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-03-29 21:41:05,237 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2018-03-29 21:41:05,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-03-29 21:41:05,242 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:41:05,243 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:41:05,243 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr26EnsuresViolationMEMORY_LEAK, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-03-29 21:41:05,248 INFO L82 PathProgramCache]: Analyzing trace with hash -39736954, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:41:05,260 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:41:05,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:41:05,296 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:41:05,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:41:05,318 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:41:05,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:41:05,353 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:41:05,353 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2018-03-29 21:41:05,354 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-03-29 21:41:05,364 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-03-29 21:41:05,365 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-03-29 21:41:05,367 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 2 states. [2018-03-29 21:41:05,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:41:05,393 INFO L93 Difference]: Finished difference Result 168 states and 184 transitions. [2018-03-29 21:41:05,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-03-29 21:41:05,394 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2018-03-29 21:41:05,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:41:05,402 INFO L225 Difference]: With dead ends: 168 [2018-03-29 21:41:05,402 INFO L226 Difference]: Without dead ends: 94 [2018-03-29 21:41:05,406 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-03-29 21:41:05,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-03-29 21:41:05,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-03-29 21:41:05,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-03-29 21:41:05,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 98 transitions. [2018-03-29 21:41:05,445 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 98 transitions. Word has length 14 [2018-03-29 21:41:05,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:41:05,445 INFO L459 AbstractCegarLoop]: Abstraction has 94 states and 98 transitions. [2018-03-29 21:41:05,445 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-03-29 21:41:05,446 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 98 transitions. [2018-03-29 21:41:05,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-03-29 21:41:05,446 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:41:05,446 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:41:05,446 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr26EnsuresViolationMEMORY_LEAK, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-03-29 21:41:05,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1567301307, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:41:05,453 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:41:05,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:41:05,472 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:41:05,509 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-03-29 21:41:05,511 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:05,521 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:05,522 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-29 21:41:05,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:41:05,571 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:41:05,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:41:05,660 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:41:05,660 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2018-03-29 21:41:05,662 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-03-29 21:41:05,662 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-03-29 21:41:05,662 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-03-29 21:41:05,663 INFO L87 Difference]: Start difference. First operand 94 states and 98 transitions. Second operand 8 states. [2018-03-29 21:41:06,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:41:06,005 INFO L93 Difference]: Finished difference Result 165 states and 175 transitions. [2018-03-29 21:41:06,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-03-29 21:41:06,006 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2018-03-29 21:41:06,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:41:06,008 INFO L225 Difference]: With dead ends: 165 [2018-03-29 21:41:06,008 INFO L226 Difference]: Without dead ends: 153 [2018-03-29 21:41:06,010 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-03-29 21:41:06,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-03-29 21:41:06,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 130. [2018-03-29 21:41:06,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-03-29 21:41:06,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 150 transitions. [2018-03-29 21:41:06,026 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 150 transitions. Word has length 17 [2018-03-29 21:41:06,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:41:06,026 INFO L459 AbstractCegarLoop]: Abstraction has 130 states and 150 transitions. [2018-03-29 21:41:06,027 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-03-29 21:41:06,027 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 150 transitions. [2018-03-29 21:41:06,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-03-29 21:41:06,027 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:41:06,028 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:41:06,028 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr26EnsuresViolationMEMORY_LEAK, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-03-29 21:41:06,028 INFO L82 PathProgramCache]: Analyzing trace with hash 1567301306, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:41:06,037 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:41:06,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:41:06,052 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:41:06,070 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 6 treesize of output 5 [2018-03-29 21:41:06,070 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:06,072 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:06,073 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-29 21:41:06,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:41:06,087 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:41:06,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:41:06,116 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:41:06,116 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-03-29 21:41:06,117 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-03-29 21:41:06,117 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-03-29 21:41:06,117 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-03-29 21:41:06,118 INFO L87 Difference]: Start difference. First operand 130 states and 150 transitions. Second operand 5 states. [2018-03-29 21:41:06,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:41:06,327 INFO L93 Difference]: Finished difference Result 144 states and 160 transitions. [2018-03-29 21:41:06,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-03-29 21:41:06,327 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2018-03-29 21:41:06,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:41:06,329 INFO L225 Difference]: With dead ends: 144 [2018-03-29 21:41:06,329 INFO L226 Difference]: Without dead ends: 132 [2018-03-29 21:41:06,330 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-03-29 21:41:06,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-03-29 21:41:06,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 123. [2018-03-29 21:41:06,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-03-29 21:41:06,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 132 transitions. [2018-03-29 21:41:06,341 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 132 transitions. Word has length 17 [2018-03-29 21:41:06,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:41:06,342 INFO L459 AbstractCegarLoop]: Abstraction has 123 states and 132 transitions. [2018-03-29 21:41:06,342 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-03-29 21:41:06,342 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 132 transitions. [2018-03-29 21:41:06,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-03-29 21:41:06,344 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:41:06,344 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] [2018-03-29 21:41:06,344 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr26EnsuresViolationMEMORY_LEAK, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-03-29 21:41:06,344 INFO L82 PathProgramCache]: Analyzing trace with hash -1306347317, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:41:06,354 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:41:06,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:41:06,378 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:41:06,387 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:41:06,387 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:41:06,407 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:41:06,441 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:41:06,441 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-29 21:41:06,441 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-03-29 21:41:06,441 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-03-29 21:41:06,441 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-03-29 21:41:06,442 INFO L87 Difference]: Start difference. First operand 123 states and 132 transitions. Second operand 3 states. [2018-03-29 21:41:06,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:41:06,471 INFO L93 Difference]: Finished difference Result 289 states and 310 transitions. [2018-03-29 21:41:06,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-03-29 21:41:06,472 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-03-29 21:41:06,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:41:06,473 INFO L225 Difference]: With dead ends: 289 [2018-03-29 21:41:06,473 INFO L226 Difference]: Without dead ends: 187 [2018-03-29 21:41:06,474 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-03-29 21:41:06,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2018-03-29 21:41:06,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 137. [2018-03-29 21:41:06,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-03-29 21:41:06,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 151 transitions. [2018-03-29 21:41:06,488 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 151 transitions. Word has length 31 [2018-03-29 21:41:06,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:41:06,488 INFO L459 AbstractCegarLoop]: Abstraction has 137 states and 151 transitions. [2018-03-29 21:41:06,488 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-03-29 21:41:06,488 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 151 transitions. [2018-03-29 21:41:06,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-03-29 21:41:06,489 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:41:06,489 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] [2018-03-29 21:41:06,489 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr26EnsuresViolationMEMORY_LEAK, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-03-29 21:41:06,489 INFO L82 PathProgramCache]: Analyzing trace with hash -1262921083, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:41:06,500 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:41:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:41:06,520 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:41:06,529 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 6 treesize of output 5 [2018-03-29 21:41:06,529 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:06,533 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:06,533 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-29 21:41:06,550 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2018-03-29 21:41:06,552 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-29 21:41:06,552 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:06,554 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:06,561 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2018-03-29 21:41:06,563 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-03-29 21:41:06,563 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:06,567 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:06,575 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:06,575 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:32, output treesize:21 [2018-03-29 21:41:06,591 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 [2018-03-29 21:41:06,594 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 5 [2018-03-29 21:41:06,594 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:06,597 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:06,619 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 [2018-03-29 21:41:06,622 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-03-29 21:41:06,622 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:06,623 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:06,630 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:06,631 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:39, output treesize:9 [2018-03-29 21:41:06,646 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:41:06,646 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:41:06,743 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:41:06,765 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:41:06,765 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 11 [2018-03-29 21:41:06,765 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-03-29 21:41:06,766 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-03-29 21:41:06,766 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2018-03-29 21:41:06,766 INFO L87 Difference]: Start difference. First operand 137 states and 151 transitions. Second operand 12 states. [2018-03-29 21:41:07,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:41:07,175 INFO L93 Difference]: Finished difference Result 211 states and 233 transitions. [2018-03-29 21:41:07,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-03-29 21:41:07,176 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 31 [2018-03-29 21:41:07,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:41:07,178 INFO L225 Difference]: With dead ends: 211 [2018-03-29 21:41:07,178 INFO L226 Difference]: Without dead ends: 206 [2018-03-29 21:41:07,179 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=117, Invalid=263, Unknown=0, NotChecked=0, Total=380 [2018-03-29 21:41:07,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2018-03-29 21:41:07,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 126. [2018-03-29 21:41:07,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-03-29 21:41:07,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 138 transitions. [2018-03-29 21:41:07,201 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 138 transitions. Word has length 31 [2018-03-29 21:41:07,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:41:07,202 INFO L459 AbstractCegarLoop]: Abstraction has 126 states and 138 transitions. [2018-03-29 21:41:07,202 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-03-29 21:41:07,202 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 138 transitions. [2018-03-29 21:41:07,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-03-29 21:41:07,203 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:41:07,203 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] [2018-03-29 21:41:07,203 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr26EnsuresViolationMEMORY_LEAK, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-03-29 21:41:07,204 INFO L82 PathProgramCache]: Analyzing trace with hash -1262921084, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:41:07,212 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:41:07,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:41:07,230 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:41:07,234 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-03-29 21:41:07,234 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:07,235 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:07,236 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-29 21:41:07,245 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2018-03-29 21:41:07,247 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-29 21:41:07,247 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:07,249 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:07,252 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:07,253 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:19, output treesize:11 [2018-03-29 21:41:07,266 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 [2018-03-29 21:41:07,268 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 5 [2018-03-29 21:41:07,268 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:07,269 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:07,270 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:07,271 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:21, output treesize:5 [2018-03-29 21:41:07,281 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:41:07,281 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:41:07,297 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:41:07,319 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:41:07,319 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2018-03-29 21:41:07,320 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-03-29 21:41:07,320 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-03-29 21:41:07,320 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-03-29 21:41:07,320 INFO L87 Difference]: Start difference. First operand 126 states and 138 transitions. Second operand 7 states. [2018-03-29 21:41:07,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:41:07,555 INFO L93 Difference]: Finished difference Result 187 states and 207 transitions. [2018-03-29 21:41:07,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-03-29 21:41:07,555 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2018-03-29 21:41:07,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:41:07,557 INFO L225 Difference]: With dead ends: 187 [2018-03-29 21:41:07,557 INFO L226 Difference]: Without dead ends: 184 [2018-03-29 21:41:07,558 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2018-03-29 21:41:07,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2018-03-29 21:41:07,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 115. [2018-03-29 21:41:07,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-03-29 21:41:07,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 126 transitions. [2018-03-29 21:41:07,568 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 126 transitions. Word has length 31 [2018-03-29 21:41:07,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:41:07,569 INFO L459 AbstractCegarLoop]: Abstraction has 115 states and 126 transitions. [2018-03-29 21:41:07,569 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-03-29 21:41:07,569 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 126 transitions. [2018-03-29 21:41:07,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-03-29 21:41:07,570 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:41:07,570 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] [2018-03-29 21:41:07,571 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr26EnsuresViolationMEMORY_LEAK, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-03-29 21:41:07,571 INFO L82 PathProgramCache]: Analyzing trace with hash -2088052999, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:41:07,579 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:41:07,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:41:07,595 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:41:07,610 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 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 [2018-03-29 21:41:07,612 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-29 21:41:07,613 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:07,615 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:07,617 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:07,617 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-03-29 21:41:07,629 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 [2018-03-29 21:41:07,630 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 [2018-03-29 21:41:07,631 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:07,632 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:07,633 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:07,633 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2018-03-29 21:41:07,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:41:07,638 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:41:07,662 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 12 treesize of output 10 [2018-03-29 21:41:07,664 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 6 treesize of output 1 [2018-03-29 21:41:07,664 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:07,665 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:07,667 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 12 treesize of output 10 [2018-03-29 21:41:07,669 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 1 [2018-03-29 21:41:07,669 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:07,670 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:07,672 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:41:07,672 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:16, output treesize:7 [2018-03-29 21:41:07,677 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:41:07,713 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:41:07,713 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2018-03-29 21:41:07,713 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-03-29 21:41:07,714 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-03-29 21:41:07,714 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-03-29 21:41:07,714 INFO L87 Difference]: Start difference. First operand 115 states and 126 transitions. Second operand 9 states. [2018-03-29 21:41:07,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:41:07,859 INFO L93 Difference]: Finished difference Result 252 states and 271 transitions. [2018-03-29 21:41:07,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-03-29 21:41:07,859 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 33 [2018-03-29 21:41:07,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:41:07,860 INFO L225 Difference]: With dead ends: 252 [2018-03-29 21:41:07,861 INFO L226 Difference]: Without dead ends: 184 [2018-03-29 21:41:07,861 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-03-29 21:41:07,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2018-03-29 21:41:07,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 125. [2018-03-29 21:41:07,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-03-29 21:41:07,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 137 transitions. [2018-03-29 21:41:07,878 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 137 transitions. Word has length 33 [2018-03-29 21:41:07,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:41:07,878 INFO L459 AbstractCegarLoop]: Abstraction has 125 states and 137 transitions. [2018-03-29 21:41:07,878 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-03-29 21:41:07,878 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 137 transitions. [2018-03-29 21:41:07,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-03-29 21:41:07,880 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:41:07,880 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] [2018-03-29 21:41:07,880 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr26EnsuresViolationMEMORY_LEAK, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-03-29 21:41:07,880 INFO L82 PathProgramCache]: Analyzing trace with hash 1917105246, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:41:07,888 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:41:07,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:41:07,908 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:41:07,950 WARN L1033 $PredicateComparison]: unable to prove that (exists ((main_~p~0.base Int)) (and (= 0 (select |c_old(#valid)| main_~p~0.base)) (= (store |c_old(#valid)| main_~p~0.base 0) |c_#valid|))) is different from true [2018-03-29 21:41:07,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:41:07,955 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:41:07,982 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc0.base_6| Int)) (or (= (store |c_#valid| |v_main_#t~malloc0.base_6| 0) |c_old(#valid)|) (not (= 0 (select |c_#valid| |v_main_#t~malloc0.base_6|))))) is different from false [2018-03-29 21:41:07,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:41:08,008 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:41:08,009 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2018-03-29 21:41:08,009 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-03-29 21:41:08,009 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-03-29 21:41:08,009 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=56, Unknown=2, NotChecked=30, Total=110 [2018-03-29 21:41:08,010 INFO L87 Difference]: Start difference. First operand 125 states and 137 transitions. Second operand 11 states. [2018-03-29 21:41:08,023 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc0.base_6| Int)) (or (= (store |c_#valid| |v_main_#t~malloc0.base_6| 0) |c_old(#valid)|) (not (= 0 (select |c_#valid| |v_main_#t~malloc0.base_6|)))))) is different from false [2018-03-29 21:41:08,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:41:08,199 INFO L93 Difference]: Finished difference Result 152 states and 164 transitions. [2018-03-29 21:41:08,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-03-29 21:41:08,200 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 33 [2018-03-29 21:41:08,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:41:08,201 INFO L225 Difference]: With dead ends: 152 [2018-03-29 21:41:08,201 INFO L226 Difference]: Without dead ends: 145 [2018-03-29 21:41:08,201 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=96, Unknown=3, NotChecked=66, Total=210 [2018-03-29 21:41:08,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-03-29 21:41:08,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 130. [2018-03-29 21:41:08,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-03-29 21:41:08,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 142 transitions. [2018-03-29 21:41:08,209 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 142 transitions. Word has length 33 [2018-03-29 21:41:08,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:41:08,210 INFO L459 AbstractCegarLoop]: Abstraction has 130 states and 142 transitions. [2018-03-29 21:41:08,210 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-03-29 21:41:08,210 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 142 transitions. [2018-03-29 21:41:08,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-03-29 21:41:08,211 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:41:08,211 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] [2018-03-29 21:41:08,211 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr26EnsuresViolationMEMORY_LEAK, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-03-29 21:41:08,211 INFO L82 PathProgramCache]: Analyzing trace with hash 356193070, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:41:08,228 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:41:08,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:41:08,250 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:41:08,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:41:08,278 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:41:08,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:41:08,341 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:41:08,341 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-03-29 21:41:08,341 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-29 21:41:08,341 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-29 21:41:08,342 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-03-29 21:41:08,342 INFO L87 Difference]: Start difference. First operand 130 states and 142 transitions. Second operand 6 states. [2018-03-29 21:41:08,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:41:08,474 INFO L93 Difference]: Finished difference Result 170 states and 181 transitions. [2018-03-29 21:41:08,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-03-29 21:41:08,476 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2018-03-29 21:41:08,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:41:08,478 INFO L225 Difference]: With dead ends: 170 [2018-03-29 21:41:08,478 INFO L226 Difference]: Without dead ends: 169 [2018-03-29 21:41:08,479 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-03-29 21:41:08,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2018-03-29 21:41:08,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 133. [2018-03-29 21:41:08,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-03-29 21:41:08,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 145 transitions. [2018-03-29 21:41:08,491 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 145 transitions. Word has length 33 [2018-03-29 21:41:08,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:41:08,492 INFO L459 AbstractCegarLoop]: Abstraction has 133 states and 145 transitions. [2018-03-29 21:41:08,492 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-29 21:41:08,492 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 145 transitions. [2018-03-29 21:41:08,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-03-29 21:41:08,493 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:41:08,506 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:41:08,506 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr26EnsuresViolationMEMORY_LEAK, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-03-29 21:41:08,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1842916545, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:41:08,514 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:41:08,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:41:08,532 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:41:08,540 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-03-29 21:41:08,541 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:08,554 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:08,555 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-29 21:41:08,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:41:08,578 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:41:08,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:41:08,614 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:41:08,614 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-03-29 21:41:08,614 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-29 21:41:08,615 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-29 21:41:08,615 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-03-29 21:41:08,615 INFO L87 Difference]: Start difference. First operand 133 states and 145 transitions. Second operand 6 states. [2018-03-29 21:41:08,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:41:08,760 INFO L93 Difference]: Finished difference Result 140 states and 153 transitions. [2018-03-29 21:41:08,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-03-29 21:41:08,760 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2018-03-29 21:41:08,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:41:08,762 INFO L225 Difference]: With dead ends: 140 [2018-03-29 21:41:08,762 INFO L226 Difference]: Without dead ends: 139 [2018-03-29 21:41:08,762 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2018-03-29 21:41:08,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-03-29 21:41:08,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 132. [2018-03-29 21:41:08,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-03-29 21:41:08,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 144 transitions. [2018-03-29 21:41:08,770 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 144 transitions. Word has length 34 [2018-03-29 21:41:08,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:41:08,770 INFO L459 AbstractCegarLoop]: Abstraction has 132 states and 144 transitions. [2018-03-29 21:41:08,770 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-29 21:41:08,770 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 144 transitions. [2018-03-29 21:41:08,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-03-29 21:41:08,771 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:41:08,771 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] [2018-03-29 21:41:08,771 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr26EnsuresViolationMEMORY_LEAK, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-03-29 21:41:08,772 INFO L82 PathProgramCache]: Analyzing trace with hash 240324755, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:41:08,781 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:41:08,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:41:08,797 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:41:08,837 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 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 [2018-03-29 21:41:08,839 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 8 treesize of output 7 [2018-03-29 21:41:08,840 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:08,846 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:08,848 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:08,848 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-03-29 21:41:08,870 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 [2018-03-29 21:41:08,872 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 [2018-03-29 21:41:08,873 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:08,874 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:08,875 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:08,875 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2018-03-29 21:41:08,881 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:41:08,881 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:41:08,896 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 [2018-03-29 21:41:08,897 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-03-29 21:41:08,898 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:08,898 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:08,900 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:41:08,901 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:7 [2018-03-29 21:41:08,904 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:41:08,926 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:41:08,926 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2018-03-29 21:41:08,926 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-29 21:41:08,926 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-29 21:41:08,927 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-03-29 21:41:08,927 INFO L87 Difference]: Start difference. First operand 132 states and 144 transitions. Second operand 6 states. [2018-03-29 21:41:09,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:41:09,088 INFO L93 Difference]: Finished difference Result 179 states and 190 transitions. [2018-03-29 21:41:09,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-03-29 21:41:09,088 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2018-03-29 21:41:09,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:41:09,089 INFO L225 Difference]: With dead ends: 179 [2018-03-29 21:41:09,089 INFO L226 Difference]: Without dead ends: 138 [2018-03-29 21:41:09,089 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-03-29 21:41:09,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-03-29 21:41:09,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 120. [2018-03-29 21:41:09,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-03-29 21:41:09,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 131 transitions. [2018-03-29 21:41:09,095 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 131 transitions. Word has length 37 [2018-03-29 21:41:09,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:41:09,095 INFO L459 AbstractCegarLoop]: Abstraction has 120 states and 131 transitions. [2018-03-29 21:41:09,095 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-29 21:41:09,095 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 131 transitions. [2018-03-29 21:41:09,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-03-29 21:41:09,096 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:41:09,096 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:41:09,096 INFO L408 AbstractCegarLoop]: === Iteration 12 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr26EnsuresViolationMEMORY_LEAK, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-03-29 21:41:09,096 INFO L82 PathProgramCache]: Analyzing trace with hash 1259093699, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:41:09,106 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:41:09,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:41:09,127 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:41:09,183 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 21:41:09,184 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:09,189 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:09,189 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:18 [2018-03-29 21:41:09,217 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2018-03-29 21:41:09,219 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 10 treesize of output 9 [2018-03-29 21:41:09,219 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:09,221 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:09,227 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. [2018-03-29 21:41:09,227 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:28, output treesize:21 [2018-03-29 21:41:09,317 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 [2018-03-29 21:41:09,320 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:41:09,320 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 [2018-03-29 21:41:09,321 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:09,329 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:09,339 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:09,339 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:33, output treesize:5 [2018-03-29 21:41:09,365 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:41:09,365 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:41:09,457 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 11 treesize of output 9 [2018-03-29 21:41:09,459 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 9 treesize of output 5 [2018-03-29 21:41:09,459 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:41:09,461 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:41:09,474 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2018-03-29 21:41:09,475 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:28, output treesize:66 [2018-03-29 21:41:09,728 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:41:09,749 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-29 21:41:09,750 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 19 [2018-03-29 21:41:09,750 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-03-29 21:41:09,750 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-03-29 21:41:09,750 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2018-03-29 21:41:09,750 INFO L87 Difference]: Start difference. First operand 120 states and 131 transitions. Second operand 20 states. [2018-03-29 21:41:10,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:41:10,265 INFO L93 Difference]: Finished difference Result 226 states and 246 transitions. [2018-03-29 21:41:10,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-03-29 21:41:10,265 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 47 [2018-03-29 21:41:10,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:41:10,266 INFO L225 Difference]: With dead ends: 226 [2018-03-29 21:41:10,266 INFO L226 Difference]: Without dead ends: 225 [2018-03-29 21:41:10,267 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 72 SyntacticMatches, 3 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=266, Invalid=856, Unknown=0, NotChecked=0, Total=1122 [2018-03-29 21:41:10,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2018-03-29 21:41:10,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 152. [2018-03-29 21:41:10,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-03-29 21:41:10,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 166 transitions. [2018-03-29 21:41:10,276 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 166 transitions. Word has length 47 [2018-03-29 21:41:10,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:41:10,276 INFO L459 AbstractCegarLoop]: Abstraction has 152 states and 166 transitions. [2018-03-29 21:41:10,276 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-03-29 21:41:10,276 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 166 transitions. [2018-03-29 21:41:10,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-03-29 21:41:10,277 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:41:10,277 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:41:10,277 INFO L408 AbstractCegarLoop]: === Iteration 13 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr26EnsuresViolationMEMORY_LEAK, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-03-29 21:41:10,277 INFO L82 PathProgramCache]: Analyzing trace with hash 1259093700, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:41:10,287 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:41:10,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:41:10,314 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:41:10,343 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-03-29 21:41:10,344 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:10,351 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:10,351 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:21 [2018-03-29 21:41:10,380 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-29 21:41:10,383 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-29 21:41:10,383 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:10,385 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:10,397 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2018-03-29 21:41:10,399 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-03-29 21:41:10,399 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:10,407 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:10,415 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. [2018-03-29 21:41:10,416 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:41, output treesize:30 [2018-03-29 21:41:10,473 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 [2018-03-29 21:41:10,479 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:41:10,480 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 17 treesize of output 13 [2018-03-29 21:41:10,481 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:10,490 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:10,501 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 [2018-03-29 21:41:10,503 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:41:10,504 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 [2018-03-29 21:41:10,504 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:10,506 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:10,512 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:10,512 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:51, output treesize:9 [2018-03-29 21:41:10,539 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:41:10,540 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:41:10,773 WARN L151 SmtUtils]: Spent 123ms on a formula simplification. DAG size of input: 56 DAG size of output 48 [2018-03-29 21:41:10,781 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 33 treesize of output 31 [2018-03-29 21:41:10,783 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-03-29 21:41:10,784 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:41:10,791 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:41:10,792 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 29 treesize of output 27 [2018-03-29 21:41:10,795 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 17 treesize of output 13 [2018-03-29 21:41:10,796 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:41:10,802 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:41:10,805 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 29 treesize of output 27 [2018-03-29 21:41:10,807 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-03-29 21:41:10,808 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:41:10,814 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:41:10,870 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 17 [2018-03-29 21:41:10,874 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-03-29 21:41:10,874 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:10,878 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:10,879 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 19 treesize of output 17 [2018-03-29 21:41:10,881 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 7 treesize of output 3 [2018-03-29 21:41:10,881 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:10,884 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:10,925 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 27 treesize of output 25 [2018-03-29 21:41:10,927 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-03-29 21:41:10,927 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:10,931 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:10,932 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 21 [2018-03-29 21:41:10,934 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-03-29 21:41:10,934 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:10,937 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:10,939 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 21 [2018-03-29 21:41:10,948 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-03-29 21:41:10,949 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:10,961 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:10,989 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-03-29 21:41:10,989 INFO L202 ElimStorePlain]: Needed 17 recursive calls to eliminate 5 variables, input treesize:73, output treesize:42 [2018-03-29 21:41:11,113 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:41:11,148 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-29 21:41:11,148 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2018-03-29 21:41:11,190 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-03-29 21:41:11,190 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-03-29 21:41:11,190 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=386, Unknown=0, NotChecked=0, Total=462 [2018-03-29 21:41:11,191 INFO L87 Difference]: Start difference. First operand 152 states and 166 transitions. Second operand 22 states. [2018-03-29 21:41:11,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:41:11,783 INFO L93 Difference]: Finished difference Result 267 states and 289 transitions. [2018-03-29 21:41:11,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-03-29 21:41:11,784 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 47 [2018-03-29 21:41:11,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:41:11,785 INFO L225 Difference]: With dead ends: 267 [2018-03-29 21:41:11,786 INFO L226 Difference]: Without dead ends: 265 [2018-03-29 21:41:11,786 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 71 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=276, Invalid=984, Unknown=0, NotChecked=0, Total=1260 [2018-03-29 21:41:11,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2018-03-29 21:41:11,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 160. [2018-03-29 21:41:11,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-03-29 21:41:11,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 175 transitions. [2018-03-29 21:41:11,799 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 175 transitions. Word has length 47 [2018-03-29 21:41:11,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:41:11,800 INFO L459 AbstractCegarLoop]: Abstraction has 160 states and 175 transitions. [2018-03-29 21:41:11,800 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-03-29 21:41:11,811 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 175 transitions. [2018-03-29 21:41:11,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-03-29 21:41:11,811 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:41:11,812 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] [2018-03-29 21:41:11,812 INFO L408 AbstractCegarLoop]: === Iteration 14 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr26EnsuresViolationMEMORY_LEAK, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-03-29 21:41:11,812 INFO L82 PathProgramCache]: Analyzing trace with hash 969284648, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:41:11,820 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:41:11,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:41:11,845 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:41:11,854 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-03-29 21:41:11,855 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:11,862 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:11,863 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-29 21:41:11,899 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-29 21:41:11,901 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-03-29 21:41:11,901 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:11,904 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:11,908 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:11,909 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2018-03-29 21:41:11,918 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:41:11,919 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:41:11,919 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-29 21:41:11,919 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:11,923 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:11,924 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:18 [2018-03-29 21:41:11,943 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2018-03-29 21:41:11,944 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 10 treesize of output 9 [2018-03-29 21:41:11,945 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:11,946 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:11,951 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:11,951 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:31, output treesize:24 [2018-03-29 21:41:11,963 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 [2018-03-29 21:41:11,964 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 [2018-03-29 21:41:11,965 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:11,966 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:11,968 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:11,968 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:27, output treesize:12 [2018-03-29 21:41:11,992 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 [2018-03-29 21:41:11,994 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-03-29 21:41:11,994 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:11,997 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:12,001 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. [2018-03-29 21:41:12,001 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:19 [2018-03-29 21:41:12,040 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 22 treesize of output 20 [2018-03-29 21:41:12,042 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 11 treesize of output 3 [2018-03-29 21:41:12,042 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:12,046 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-03-29 21:41:12,046 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:12,047 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:12,049 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:12,049 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:26, output treesize:3 [2018-03-29 21:41:12,062 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:41:12,062 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:41:12,236 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 32 treesize of output 26 [2018-03-29 21:41:12,251 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 9 treesize of output 8 [2018-03-29 21:41:12,251 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:12,258 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 15 [2018-03-29 21:41:12,260 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-03-29 21:41:12,260 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:12,264 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:12,270 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 21 [2018-03-29 21:41:12,272 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:41:12,272 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:41:12,273 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 13 treesize of output 3 [2018-03-29 21:41:12,273 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:12,279 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2018-03-29 21:41:12,279 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:12,284 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2018-03-29 21:41:12,284 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:12,287 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:41:12,291 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-03-29 21:41:12,305 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 3 xjuncts. [2018-03-29 21:41:12,305 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 3 variables, input treesize:39, output treesize:27 [2018-03-29 21:41:12,380 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:41:12,401 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-29 21:41:12,401 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2018-03-29 21:41:12,401 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-03-29 21:41:12,402 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-03-29 21:41:12,402 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=566, Unknown=0, NotChecked=0, Total=650 [2018-03-29 21:41:12,402 INFO L87 Difference]: Start difference. First operand 160 states and 175 transitions. Second operand 26 states. [2018-03-29 21:41:13,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:41:13,343 INFO L93 Difference]: Finished difference Result 209 states and 224 transitions. [2018-03-29 21:41:13,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-03-29 21:41:13,343 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 47 [2018-03-29 21:41:13,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:41:13,344 INFO L225 Difference]: With dead ends: 209 [2018-03-29 21:41:13,344 INFO L226 Difference]: Without dead ends: 173 [2018-03-29 21:41:13,345 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 276 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=399, Invalid=1581, Unknown=0, NotChecked=0, Total=1980 [2018-03-29 21:41:13,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2018-03-29 21:41:13,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 160. [2018-03-29 21:41:13,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-03-29 21:41:13,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 173 transitions. [2018-03-29 21:41:13,355 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 173 transitions. Word has length 47 [2018-03-29 21:41:13,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:41:13,356 INFO L459 AbstractCegarLoop]: Abstraction has 160 states and 173 transitions. [2018-03-29 21:41:13,356 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-03-29 21:41:13,356 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 173 transitions. [2018-03-29 21:41:13,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-03-29 21:41:13,357 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:41:13,357 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:41:13,357 INFO L408 AbstractCegarLoop]: === Iteration 15 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr26EnsuresViolationMEMORY_LEAK, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-03-29 21:41:13,357 INFO L82 PathProgramCache]: Analyzing trace with hash 1890480434, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:41:13,366 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:41:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:41:13,390 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:41:13,425 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2018-03-29 21:41:13,427 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-03-29 21:41:13,427 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:13,429 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:13,439 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2018-03-29 21:41:13,441 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-29 21:41:13,441 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:13,443 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:13,450 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:13,451 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:39, output treesize:13 [2018-03-29 21:41:13,491 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 20 [2018-03-29 21:41:13,493 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-03-29 21:41:13,494 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:13,497 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:13,503 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. [2018-03-29 21:41:13,503 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:39, output treesize:29 [2018-03-29 21:41:13,578 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 29 treesize of output 25 [2018-03-29 21:41:13,584 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:41:13,585 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2018-03-29 21:41:13,585 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:13,589 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:13,598 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 [2018-03-29 21:41:13,600 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:41:13,601 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 [2018-03-29 21:41:13,601 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:13,604 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:13,610 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:13,610 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:50, output treesize:7 [2018-03-29 21:41:13,645 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:41:13,646 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:41:13,769 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 30 treesize of output 22 [2018-03-29 21:41:13,770 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 1 [2018-03-29 21:41:13,770 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:13,771 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:13,773 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 30 treesize of output 22 [2018-03-29 21:41:13,774 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 1 [2018-03-29 21:41:13,774 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:13,775 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:13,781 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-03-29 21:41:13,781 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:35, output treesize:33 [2018-03-29 21:41:13,924 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-03-29 21:41:13,926 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-03-29 21:41:13,926 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:13,929 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:13,930 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 19 treesize of output 17 [2018-03-29 21:41:13,932 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-03-29 21:41:13,932 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:13,936 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:13,957 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 19 treesize of output 17 [2018-03-29 21:41:13,959 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-03-29 21:41:13,959 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:13,963 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:13,964 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 17 [2018-03-29 21:41:13,965 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-03-29 21:41:13,966 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:13,969 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:13,986 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-03-29 21:41:13,986 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 6 variables, input treesize:53, output treesize:24 [2018-03-29 21:41:14,074 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:41:14,097 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-29 21:41:14,098 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16] total 26 [2018-03-29 21:41:14,098 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-03-29 21:41:14,098 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-03-29 21:41:14,098 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=573, Unknown=0, NotChecked=0, Total=650 [2018-03-29 21:41:14,098 INFO L87 Difference]: Start difference. First operand 160 states and 173 transitions. Second operand 26 states. [2018-03-29 21:41:14,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:41:14,822 INFO L93 Difference]: Finished difference Result 289 states and 309 transitions. [2018-03-29 21:41:14,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-03-29 21:41:14,822 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 59 [2018-03-29 21:41:14,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:41:14,823 INFO L225 Difference]: With dead ends: 289 [2018-03-29 21:41:14,823 INFO L226 Difference]: Without dead ends: 214 [2018-03-29 21:41:14,824 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 90 SyntacticMatches, 3 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 366 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=304, Invalid=1588, Unknown=0, NotChecked=0, Total=1892 [2018-03-29 21:41:14,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2018-03-29 21:41:14,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 153. [2018-03-29 21:41:14,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-03-29 21:41:14,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 164 transitions. [2018-03-29 21:41:14,835 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 164 transitions. Word has length 59 [2018-03-29 21:41:14,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:41:14,835 INFO L459 AbstractCegarLoop]: Abstraction has 153 states and 164 transitions. [2018-03-29 21:41:14,835 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-03-29 21:41:14,835 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 164 transitions. [2018-03-29 21:41:14,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-03-29 21:41:14,836 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:41:14,836 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:41:14,836 INFO L408 AbstractCegarLoop]: === Iteration 16 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr26EnsuresViolationMEMORY_LEAK, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-03-29 21:41:14,836 INFO L82 PathProgramCache]: Analyzing trace with hash 1675928388, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:41:14,843 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:41:14,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:41:14,862 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:41:14,877 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-03-29 21:41:14,879 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 11 treesize of output 3 [2018-03-29 21:41:14,879 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:14,880 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:14,881 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:14,881 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2018-03-29 21:41:14,887 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-03-29 21:41:14,888 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:41:14,919 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 21 [2018-03-29 21:41:14,920 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:41:14,920 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:41:14,921 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 13 treesize of output 3 [2018-03-29 21:41:14,921 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:14,927 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2018-03-29 21:41:14,928 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:14,932 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 3 [2018-03-29 21:41:14,932 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:14,934 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:41:14,936 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:41:14,936 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:17, output treesize:7 [2018-03-29 21:41:14,941 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-03-29 21:41:14,963 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-29 21:41:14,963 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2018-03-29 21:41:14,963 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-03-29 21:41:14,963 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-03-29 21:41:14,963 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2018-03-29 21:41:14,963 INFO L87 Difference]: Start difference. First operand 153 states and 164 transitions. Second operand 11 states. [2018-03-29 21:41:15,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:41:15,139 INFO L93 Difference]: Finished difference Result 176 states and 188 transitions. [2018-03-29 21:41:15,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-03-29 21:41:15,139 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 59 [2018-03-29 21:41:15,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:41:15,140 INFO L225 Difference]: With dead ends: 176 [2018-03-29 21:41:15,140 INFO L226 Difference]: Without dead ends: 169 [2018-03-29 21:41:15,141 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2018-03-29 21:41:15,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2018-03-29 21:41:15,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 151. [2018-03-29 21:41:15,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-03-29 21:41:15,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 161 transitions. [2018-03-29 21:41:15,153 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 161 transitions. Word has length 59 [2018-03-29 21:41:15,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:41:15,153 INFO L459 AbstractCegarLoop]: Abstraction has 151 states and 161 transitions. [2018-03-29 21:41:15,153 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-03-29 21:41:15,153 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 161 transitions. [2018-03-29 21:41:15,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-03-29 21:41:15,154 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:41:15,154 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:41:15,154 INFO L408 AbstractCegarLoop]: === Iteration 17 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr26EnsuresViolationMEMORY_LEAK, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-03-29 21:41:15,154 INFO L82 PathProgramCache]: Analyzing trace with hash 84889427, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:41:15,160 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:41:15,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:41:15,183 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:41:15,185 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-03-29 21:41:15,185 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:15,187 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:15,187 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-29 21:41:15,211 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:41:15,211 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:41:15,212 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-03-29 21:41:15,212 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:15,216 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:15,217 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:17 [2018-03-29 21:41:15,236 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2018-03-29 21:41:15,238 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2018-03-29 21:41:15,238 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:15,239 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:15,245 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:15,246 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:30, output treesize:23 [2018-03-29 21:41:15,296 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 41 [2018-03-29 21:41:15,299 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-03-29 21:41:15,299 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:15,304 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:15,334 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. [2018-03-29 21:41:15,334 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:56, output treesize:31 [2018-03-29 21:41:15,450 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 [2018-03-29 21:41:15,453 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:41:15,454 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2018-03-29 21:41:15,455 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:15,462 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:15,472 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:15,473 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:43, output treesize:5 [2018-03-29 21:41:15,586 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:41:15,586 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:41:15,710 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 23 [2018-03-29 21:41:15,711 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:15,718 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. [2018-03-29 21:41:15,718 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:34, output treesize:26 [2018-03-29 21:41:19,981 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 39 treesize of output 31 [2018-03-29 21:41:19,997 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 10 [2018-03-29 21:41:19,997 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:20,019 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 24 [2018-03-29 21:41:20,022 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2018-03-29 21:41:20,023 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:20,031 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 19 treesize of output 15 [2018-03-29 21:41:20,031 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:20,038 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2018-03-29 21:41:20,038 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:20,042 INFO L267 ElimStorePlain]: Start of recursive call 4: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:41:20,045 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-03-29 21:41:20,047 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 1 [2018-03-29 21:41:20,048 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:20,050 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:20,062 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 7 xjuncts. [2018-03-29 21:41:20,084 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 6 xjuncts. [2018-03-29 21:41:20,084 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:46, output treesize:63 [2018-03-29 21:41:20,412 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:41:20,439 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-29 21:41:20,439 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 27 [2018-03-29 21:41:20,440 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-03-29 21:41:20,440 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-03-29 21:41:20,440 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=677, Unknown=1, NotChecked=0, Total=756 [2018-03-29 21:41:20,440 INFO L87 Difference]: Start difference. First operand 151 states and 161 transitions. Second operand 28 states. [2018-03-29 21:41:21,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:41:21,418 INFO L93 Difference]: Finished difference Result 256 states and 276 transitions. [2018-03-29 21:41:21,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-03-29 21:41:21,418 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 61 [2018-03-29 21:41:21,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:41:21,420 INFO L225 Difference]: With dead ends: 256 [2018-03-29 21:41:21,420 INFO L226 Difference]: Without dead ends: 255 [2018-03-29 21:41:21,421 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 248 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=329, Invalid=1562, Unknown=1, NotChecked=0, Total=1892 [2018-03-29 21:41:21,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2018-03-29 21:41:21,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 195. [2018-03-29 21:41:21,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2018-03-29 21:41:21,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 209 transitions. [2018-03-29 21:41:21,438 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 209 transitions. Word has length 61 [2018-03-29 21:41:21,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:41:21,439 INFO L459 AbstractCegarLoop]: Abstraction has 195 states and 209 transitions. [2018-03-29 21:41:21,439 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-03-29 21:41:21,439 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 209 transitions. [2018-03-29 21:41:21,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-03-29 21:41:21,440 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:41:21,440 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:41:21,440 INFO L408 AbstractCegarLoop]: === Iteration 18 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr26EnsuresViolationMEMORY_LEAK, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-03-29 21:41:21,440 INFO L82 PathProgramCache]: Analyzing trace with hash 84889428, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:41:21,449 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:41:21,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:41:21,478 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:41:21,480 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-03-29 21:41:21,480 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:21,483 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:21,484 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-29 21:41:21,537 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:41:21,537 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:41:21,538 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 [2018-03-29 21:41:21,538 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:21,545 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:21,545 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:20 [2018-03-29 21:41:21,622 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 13 treesize of output 10 [2018-03-29 21:41:21,624 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 10 treesize of output 9 [2018-03-29 21:41:21,624 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:21,626 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:21,638 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2018-03-29 21:41:21,640 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-29 21:41:21,640 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:21,641 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:21,650 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:21,651 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:43, output treesize:32 [2018-03-29 21:41:21,732 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 68 [2018-03-29 21:41:21,738 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-03-29 21:41:21,739 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:21,758 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:21,778 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 36 [2018-03-29 21:41:21,781 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-03-29 21:41:21,781 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:21,786 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:21,800 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. [2018-03-29 21:41:21,800 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:97, output treesize:40 [2018-03-29 21:41:21,888 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 25 [2018-03-29 21:41:21,891 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:41:21,892 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2018-03-29 21:41:21,892 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:21,902 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:21,917 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 19 treesize of output 15 [2018-03-29 21:41:21,919 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:41:21,920 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 [2018-03-29 21:41:21,920 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:21,924 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:21,941 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:21,942 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:61, output treesize:9 [2018-03-29 21:41:22,016 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:41:22,017 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:41:22,190 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 64 [2018-03-29 21:41:22,190 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-03-29 21:41:22,218 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 40 treesize of output 38 [2018-03-29 21:41:22,218 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:22,243 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 2 dim-1 vars, End of recursive call: 9 dim-0 vars, and 3 xjuncts. [2018-03-29 21:41:22,243 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 9 variables, input treesize:101, output treesize:99 [2018-03-29 21:41:24,523 WARN L148 SmtUtils]: Spent 2176ms on a formula simplification that was a NOOP. DAG size: 57 [2018-03-29 21:41:29,252 WARN L148 SmtUtils]: Spent 2232ms on a formula simplification that was a NOOP. DAG size: 57 [2018-03-29 21:41:35,480 WARN L148 SmtUtils]: Spent 2076ms on a formula simplification that was a NOOP. DAG size: 61 [2018-03-29 21:41:35,487 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 42 [2018-03-29 21:41:35,505 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 11 treesize of output 10 [2018-03-29 21:41:35,505 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:35,521 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 17 [2018-03-29 21:41:35,522 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 1 [2018-03-29 21:41:35,522 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:35,525 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:35,530 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 24 [2018-03-29 21:41:35,532 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2018-03-29 21:41:35,532 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:35,539 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 [2018-03-29 21:41:35,540 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:35,545 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 7 [2018-03-29 21:41:35,545 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:35,549 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:41:35,567 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 7 xjuncts. [2018-03-29 21:41:35,679 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 53 treesize of output 44 [2018-03-29 21:41:35,696 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-03-29 21:41:35,697 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:35,713 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 17 [2018-03-29 21:41:35,714 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-03-29 21:41:35,714 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:35,717 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:35,722 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 26 [2018-03-29 21:41:35,724 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 21 treesize of output 17 [2018-03-29 21:41:35,725 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:35,734 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 12 treesize of output 3 [2018-03-29 21:41:35,734 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:35,744 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 18 [2018-03-29 21:41:35,744 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 2 xjuncts. [2018-03-29 21:41:35,748 INFO L267 ElimStorePlain]: Start of recursive call 14: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-03-29 21:41:35,763 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 10 xjuncts. [2018-03-29 21:41:35,887 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 51 treesize of output 42 [2018-03-29 21:41:35,915 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-03-29 21:41:35,915 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:35,957 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 24 [2018-03-29 21:41:35,961 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-03-29 21:41:35,961 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:35,983 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 16 treesize of output 16 [2018-03-29 21:41:35,983 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 2 xjuncts. [2018-03-29 21:41:35,995 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 12 treesize of output 3 [2018-03-29 21:41:35,995 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:36,001 INFO L267 ElimStorePlain]: Start of recursive call 20: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-03-29 21:41:36,003 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 17 [2018-03-29 21:41:36,006 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 1 [2018-03-29 21:41:36,006 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:36,010 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:36,056 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 10 xjuncts. [2018-03-29 21:41:36,226 INFO L267 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 3 dim-2 vars, End of recursive call: and 11 xjuncts. [2018-03-29 21:41:36,226 INFO L202 ElimStorePlain]: Needed 25 recursive calls to eliminate 12 variables, input treesize:156, output treesize:112 [2018-03-29 21:41:36,551 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:41:36,572 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-29 21:41:36,572 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 29 [2018-03-29 21:41:36,572 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-03-29 21:41:36,573 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-03-29 21:41:36,573 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=785, Unknown=3, NotChecked=0, Total=870 [2018-03-29 21:41:36,573 INFO L87 Difference]: Start difference. First operand 195 states and 209 transitions. Second operand 30 states. [2018-03-29 21:41:37,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:41:37,952 INFO L93 Difference]: Finished difference Result 296 states and 319 transitions. [2018-03-29 21:41:37,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-03-29 21:41:37,952 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 61 [2018-03-29 21:41:37,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:41:37,954 INFO L225 Difference]: With dead ends: 296 [2018-03-29 21:41:37,954 INFO L226 Difference]: Without dead ends: 295 [2018-03-29 21:41:37,955 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 338 ImplicationChecksByTransitivity, 14.6s TimeCoverageRelationStatistics Valid=406, Invalid=2041, Unknown=3, NotChecked=0, Total=2450 [2018-03-29 21:41:37,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2018-03-29 21:41:37,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 195. [2018-03-29 21:41:37,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2018-03-29 21:41:37,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 208 transitions. [2018-03-29 21:41:37,965 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 208 transitions. Word has length 61 [2018-03-29 21:41:37,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:41:37,966 INFO L459 AbstractCegarLoop]: Abstraction has 195 states and 208 transitions. [2018-03-29 21:41:37,966 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-03-29 21:41:37,966 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 208 transitions. [2018-03-29 21:41:37,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-03-29 21:41:37,966 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:41:37,966 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] [2018-03-29 21:41:37,966 INFO L408 AbstractCegarLoop]: === Iteration 19 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr26EnsuresViolationMEMORY_LEAK, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-03-29 21:41:37,966 INFO L82 PathProgramCache]: Analyzing trace with hash 1056251001, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:41:37,972 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:41:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:41:38,005 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:41:38,009 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-03-29 21:41:38,009 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:38,013 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:38,014 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-29 21:41:38,054 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:41:38,054 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:41:38,055 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 [2018-03-29 21:41:38,055 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:38,063 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:38,063 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2018-03-29 21:41:38,089 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-29 21:41:38,090 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2018-03-29 21:41:38,091 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:38,092 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:38,099 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. [2018-03-29 21:41:38,100 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:37, output treesize:36 [2018-03-29 21:41:38,214 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 [2018-03-29 21:41:38,216 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:41:38,216 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2018-03-29 21:41:38,217 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:38,221 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:38,229 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:38,229 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:48, output treesize:15 [2018-03-29 21:41:38,291 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:41:38,292 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 [2018-03-29 21:41:38,292 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:38,305 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. [2018-03-29 21:41:38,306 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:21, output treesize:11 [2018-03-29 21:41:38,342 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-03-29 21:41:38,343 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:41:38,499 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 14 treesize of output 12 [2018-03-29 21:41:38,501 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2018-03-29 21:41:38,501 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:41:38,502 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:41:38,514 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2018-03-29 21:41:38,514 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:31, output treesize:81 [2018-03-29 21:41:38,823 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-03-29 21:41:38,844 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-29 21:41:38,844 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 29 [2018-03-29 21:41:38,845 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-03-29 21:41:38,845 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-03-29 21:41:38,845 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=755, Unknown=0, NotChecked=0, Total=870 [2018-03-29 21:41:38,845 INFO L87 Difference]: Start difference. First operand 195 states and 208 transitions. Second operand 30 states. [2018-03-29 21:41:39,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:41:39,705 INFO L93 Difference]: Finished difference Result 226 states and 240 transitions. [2018-03-29 21:41:39,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-03-29 21:41:39,705 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 63 [2018-03-29 21:41:39,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:41:39,707 INFO L225 Difference]: With dead ends: 226 [2018-03-29 21:41:39,707 INFO L226 Difference]: Without dead ends: 225 [2018-03-29 21:41:39,708 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 95 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 414 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=371, Invalid=1609, Unknown=0, NotChecked=0, Total=1980 [2018-03-29 21:41:39,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2018-03-29 21:41:39,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 210. [2018-03-29 21:41:39,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2018-03-29 21:41:39,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 224 transitions. [2018-03-29 21:41:39,729 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 224 transitions. Word has length 63 [2018-03-29 21:41:39,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:41:39,729 INFO L459 AbstractCegarLoop]: Abstraction has 210 states and 224 transitions. [2018-03-29 21:41:39,729 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-03-29 21:41:39,729 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 224 transitions. [2018-03-29 21:41:39,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-03-29 21:41:39,730 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:41:39,731 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] [2018-03-29 21:41:39,731 INFO L408 AbstractCegarLoop]: === Iteration 20 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr26EnsuresViolationMEMORY_LEAK, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-03-29 21:41:39,731 INFO L82 PathProgramCache]: Analyzing trace with hash 1056251002, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:41:39,740 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:41:39,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:41:39,771 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:41:39,811 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 21:41:39,811 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:39,818 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:39,818 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:21 [2018-03-29 21:41:39,847 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-03-29 21:41:39,849 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-03-29 21:41:39,849 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:39,851 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:39,862 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2018-03-29 21:41:39,864 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-03-29 21:41:39,864 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:39,865 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:39,874 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. [2018-03-29 21:41:39,874 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:41, output treesize:30 [2018-03-29 21:41:39,934 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 [2018-03-29 21:41:39,935 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:41:39,936 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 [2018-03-29 21:41:39,936 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:39,938 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:39,947 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 [2018-03-29 21:41:39,949 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:41:39,949 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-03-29 21:41:39,949 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:39,952 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:39,958 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:39,958 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:51, output treesize:9 [2018-03-29 21:41:39,987 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-03-29 21:41:39,988 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:41:40,193 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 29 treesize of output 27 [2018-03-29 21:41:40,195 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-03-29 21:41:40,196 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:41:40,202 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:41:40,204 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 33 treesize of output 31 [2018-03-29 21:41:40,206 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-03-29 21:41:40,206 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:41:40,212 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:41:40,214 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 29 treesize of output 27 [2018-03-29 21:41:40,216 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-03-29 21:41:40,216 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:41:40,223 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:41:40,277 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 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 21 [2018-03-29 21:41:40,279 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-03-29 21:41:40,279 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:40,285 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:40,286 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 27 treesize of output 25 [2018-03-29 21:41:40,288 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 [2018-03-29 21:41:40,288 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:40,292 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:40,295 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 21 [2018-03-29 21:41:40,297 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-03-29 21:41:40,297 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:40,301 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:40,343 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 19 treesize of output 17 [2018-03-29 21:41:40,344 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-03-29 21:41:40,344 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:40,348 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:40,349 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 17 [2018-03-29 21:41:40,350 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-03-29 21:41:40,350 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:40,354 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:40,384 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-03-29 21:41:40,385 INFO L202 ElimStorePlain]: Needed 17 recursive calls to eliminate 5 variables, input treesize:73, output treesize:42 [2018-03-29 21:41:40,522 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-03-29 21:41:40,543 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-29 21:41:40,544 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2018-03-29 21:41:40,544 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-03-29 21:41:40,544 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-03-29 21:41:40,544 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=386, Unknown=0, NotChecked=0, Total=462 [2018-03-29 21:41:40,545 INFO L87 Difference]: Start difference. First operand 210 states and 224 transitions. Second operand 22 states. [2018-03-29 21:41:41,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:41:41,144 INFO L93 Difference]: Finished difference Result 249 states and 262 transitions. [2018-03-29 21:41:41,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-03-29 21:41:41,144 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 63 [2018-03-29 21:41:41,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:41:41,145 INFO L225 Difference]: With dead ends: 249 [2018-03-29 21:41:41,146 INFO L226 Difference]: Without dead ends: 246 [2018-03-29 21:41:41,146 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 103 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=276, Invalid=984, Unknown=0, NotChecked=0, Total=1260 [2018-03-29 21:41:41,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2018-03-29 21:41:41,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 216. [2018-03-29 21:41:41,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2018-03-29 21:41:41,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 230 transitions. [2018-03-29 21:41:41,167 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 230 transitions. Word has length 63 [2018-03-29 21:41:41,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:41:41,167 INFO L459 AbstractCegarLoop]: Abstraction has 216 states and 230 transitions. [2018-03-29 21:41:41,167 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-03-29 21:41:41,167 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 230 transitions. [2018-03-29 21:41:41,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-03-29 21:41:41,168 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:41:41,169 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-03-29 21:41:41,169 INFO L408 AbstractCegarLoop]: === Iteration 21 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr26EnsuresViolationMEMORY_LEAK, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-03-29 21:41:41,169 INFO L82 PathProgramCache]: Analyzing trace with hash 9197088, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:41:41,180 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:41:41,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:41:41,209 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:41:41,212 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-03-29 21:41:41,212 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:41,229 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:41,230 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-29 21:41:41,264 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:41:41,265 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:41:41,265 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 [2018-03-29 21:41:41,265 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:41,272 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:41,272 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:20 [2018-03-29 21:41:41,298 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2018-03-29 21:41:41,300 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 10 treesize of output 9 [2018-03-29 21:41:41,300 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:41,302 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:41,316 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2018-03-29 21:41:41,318 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-03-29 21:41:41,318 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:41,319 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:41,329 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:41,329 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:46, output treesize:32 [2018-03-29 21:41:41,415 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 68 [2018-03-29 21:41:41,417 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-03-29 21:41:41,418 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:41,425 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:41,443 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 36 [2018-03-29 21:41:41,445 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-03-29 21:41:41,445 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:41,450 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:41,463 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. [2018-03-29 21:41:41,463 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:95, output treesize:40 [2018-03-29 21:41:41,551 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 [2018-03-29 21:41:41,553 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:41:41,554 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2018-03-29 21:41:41,554 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:41,559 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:41,571 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 19 treesize of output 15 [2018-03-29 21:41:41,573 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:41:41,573 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2018-03-29 21:41:41,573 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:41,588 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:41,608 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:41,608 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:61, output treesize:9 [2018-03-29 21:41:41,686 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:41:41,687 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:41:42,075 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 52 [2018-03-29 21:41:42,075 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-03-29 21:41:42,086 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2018-03-29 21:41:42,086 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:73, output treesize:93 [2018-03-29 21:41:44,291 WARN L148 SmtUtils]: Spent 2018ms on a formula simplification that was a NOOP. DAG size: 45 [2018-03-29 21:41:45,138 WARN L148 SmtUtils]: Spent 336ms on a formula simplification that was a NOOP. DAG size: 49 [2018-03-29 21:41:45,559 WARN L148 SmtUtils]: Spent 155ms on a formula simplification that was a NOOP. DAG size: 53 [2018-03-29 21:41:45,566 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 88 treesize of output 79 [2018-03-29 21:41:45,590 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 10 [2018-03-29 21:41:45,591 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:45,614 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-03-29 21:41:45,616 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 1 [2018-03-29 21:41:45,616 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:45,622 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:45,631 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 24 [2018-03-29 21:41:45,633 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2018-03-29 21:41:45,633 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:45,642 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2018-03-29 21:41:45,643 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:45,650 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 3 [2018-03-29 21:41:45,651 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:45,655 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:41:45,674 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 7 xjuncts. [2018-03-29 21:41:45,757 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 46 [2018-03-29 21:41:45,779 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 11 treesize of output 10 [2018-03-29 21:41:45,780 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:45,789 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 20 treesize of output 19 [2018-03-29 21:41:45,791 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 1 [2018-03-29 21:41:45,791 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:45,794 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-03-29 21:41:45,795 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:45,796 INFO L267 ElimStorePlain]: Start of recursive call 12: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:45,800 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:45,803 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 59 treesize of output 50 [2018-03-29 21:41:45,824 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 10 [2018-03-29 21:41:45,824 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:45,839 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 24 [2018-03-29 21:41:45,841 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:41:45,843 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2018-03-29 21:41:45,843 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:45,847 INFO L267 ElimStorePlain]: Start of recursive call 17: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:45,852 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:45,856 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 48 [2018-03-29 21:41:45,876 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-03-29 21:41:45,876 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:45,885 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 10 treesize of output 8 [2018-03-29 21:41:45,886 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-03-29 21:41:45,887 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:45,888 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:45,895 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:45,897 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 46 [2018-03-29 21:41:45,923 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 11 treesize of output 10 [2018-03-29 21:41:45,923 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:45,933 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 20 treesize of output 19 [2018-03-29 21:41:45,935 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 1 [2018-03-29 21:41:45,935 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:45,939 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-03-29 21:41:45,939 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:45,941 INFO L267 ElimStorePlain]: Start of recursive call 25: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:45,946 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:45,950 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 59 treesize of output 50 [2018-03-29 21:41:45,975 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 10 [2018-03-29 21:41:45,975 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:45,988 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 24 [2018-03-29 21:41:45,990 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-03-29 21:41:45,991 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:45,999 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2018-03-29 21:41:45,999 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:46,005 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:41:46,006 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 16 treesize of output 11 [2018-03-29 21:41:46,007 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:46,008 INFO L267 ElimStorePlain]: Start of recursive call 30: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:46,013 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:46,060 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 42 [2018-03-29 21:41:46,080 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 10 [2018-03-29 21:41:46,081 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:46,096 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 17 [2018-03-29 21:41:46,098 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 1 [2018-03-29 21:41:46,098 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:46,101 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:46,107 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 26 [2018-03-29 21:41:46,109 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 21 treesize of output 17 [2018-03-29 21:41:46,110 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:46,118 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 3 [2018-03-29 21:41:46,118 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:46,129 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 18 [2018-03-29 21:41:46,129 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 2 xjuncts. [2018-03-29 21:41:46,133 INFO L267 ElimStorePlain]: Start of recursive call 38: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-03-29 21:41:46,148 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 10 xjuncts. [2018-03-29 21:41:46,236 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 3 dim-2 vars, End of recursive call: and 9 xjuncts. [2018-03-29 21:41:46,236 INFO L202 ElimStorePlain]: Needed 41 recursive calls to eliminate 10 variables, input treesize:179, output treesize:93 [2018-03-29 21:41:46,565 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:41:46,586 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-29 21:41:46,587 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 33 [2018-03-29 21:41:46,587 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-03-29 21:41:46,587 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-03-29 21:41:46,587 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1025, Unknown=0, NotChecked=0, Total=1122 [2018-03-29 21:41:46,588 INFO L87 Difference]: Start difference. First operand 216 states and 230 transitions. Second operand 34 states. [2018-03-29 21:41:48,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:41:48,395 INFO L93 Difference]: Finished difference Result 316 states and 340 transitions. [2018-03-29 21:41:48,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-03-29 21:41:48,396 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 69 [2018-03-29 21:41:48,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:41:48,397 INFO L225 Difference]: With dead ends: 316 [2018-03-29 21:41:48,397 INFO L226 Difference]: Without dead ends: 315 [2018-03-29 21:41:48,398 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 511 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=508, Invalid=2798, Unknown=0, NotChecked=0, Total=3306 [2018-03-29 21:41:48,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2018-03-29 21:41:48,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 224. [2018-03-29 21:41:48,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2018-03-29 21:41:48,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 240 transitions. [2018-03-29 21:41:48,411 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 240 transitions. Word has length 69 [2018-03-29 21:41:48,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:41:48,411 INFO L459 AbstractCegarLoop]: Abstraction has 224 states and 240 transitions. [2018-03-29 21:41:48,411 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-03-29 21:41:48,411 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 240 transitions. [2018-03-29 21:41:48,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-03-29 21:41:48,412 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:41:48,412 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:41:48,412 INFO L408 AbstractCegarLoop]: === Iteration 22 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr26EnsuresViolationMEMORY_LEAK, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-03-29 21:41:48,412 INFO L82 PathProgramCache]: Analyzing trace with hash -734730015, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:41:48,419 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:41:48,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:41:48,445 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:41:48,538 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2018-03-29 21:41:48,540 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-03-29 21:41:48,540 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:48,542 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:48,552 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. [2018-03-29 21:41:48,552 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:45, output treesize:44 [2018-03-29 21:41:48,670 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 39 treesize of output 33 [2018-03-29 21:41:48,672 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:41:48,673 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2018-03-29 21:41:48,673 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:48,677 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:48,686 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:48,686 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:56, output treesize:23 [2018-03-29 21:41:48,732 WARN L1033 $PredicateComparison]: unable to prove that (exists ((main_~tmp~0.base Int)) (let ((.cse0 (store |c_old(#valid)| main_~tmp~0.base 1))) (and (= 0 (select |c_old(#valid)| main_~tmp~0.base)) (= (select .cse0 c_main_~p~0.base) 0) (= |c_#valid| (store (store .cse0 c_main_~p~0.base 1) main_~tmp~0.base 0))))) is different from true [2018-03-29 21:41:48,759 WARN L1033 $PredicateComparison]: unable to prove that (exists ((main_~p~0.base Int) (main_~tmp~0.base Int)) (let ((.cse0 (store |c_old(#valid)| main_~tmp~0.base 1))) (and (= 0 (select |c_old(#valid)| main_~tmp~0.base)) (= |c_#valid| (store (store (store .cse0 main_~p~0.base 1) main_~tmp~0.base 0) main_~p~0.base 0)) (= (select .cse0 main_~p~0.base) 0)))) is different from true [2018-03-29 21:41:48,779 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 2 not checked. [2018-03-29 21:41:48,779 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:41:48,976 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 34 treesize of output 30 [2018-03-29 21:41:48,978 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2018-03-29 21:41:48,979 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:41:48,983 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:41:48,985 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 33 treesize of output 31 [2018-03-29 21:41:48,986 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2018-03-29 21:41:48,987 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:41:48,992 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:41:48,994 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 30 [2018-03-29 21:41:48,995 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2018-03-29 21:41:48,995 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:41:49,000 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:41:49,025 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 7 xjuncts. [2018-03-29 21:41:49,026 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:57, output treesize:248 [2018-03-29 21:41:49,556 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc2.base_18| Int) (|v_main_#t~malloc0.base_18| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc0.base_18| 1))) (let ((.cse1 (store (store .cse0 |v_main_#t~malloc2.base_18| 1) |v_main_#t~malloc0.base_18| 0))) (or (not (= (select .cse0 |v_main_#t~malloc2.base_18|) 0)) (not (= (select |c_#valid| |v_main_#t~malloc0.base_18|) 0)) (= (store .cse1 |v_main_#t~malloc2.base_18| 0) |c_old(#valid)|) (not (= 1 (select .cse1 |v_main_#t~malloc2.base_18|))))))) is different from false [2018-03-29 21:41:49,586 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-03-29 21:41:49,607 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-29 21:41:49,607 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2018-03-29 21:41:49,607 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-03-29 21:41:49,608 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-03-29 21:41:49,608 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=773, Unknown=11, NotChecked=174, Total=1056 [2018-03-29 21:41:49,608 INFO L87 Difference]: Start difference. First operand 224 states and 240 transitions. Second operand 33 states. [2018-03-29 21:41:49,648 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc2.base_18| Int) (|v_main_#t~malloc0.base_18| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc0.base_18| 1))) (let ((.cse1 (store (store .cse0 |v_main_#t~malloc2.base_18| 1) |v_main_#t~malloc0.base_18| 0))) (or (not (= (select .cse0 |v_main_#t~malloc2.base_18|) 0)) (not (= (select |c_#valid| |v_main_#t~malloc0.base_18|) 0)) (= (store .cse1 |v_main_#t~malloc2.base_18| 0) |c_old(#valid)|) (not (= 1 (select .cse1 |v_main_#t~malloc2.base_18|)))))))) is different from false [2018-03-29 21:41:50,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:41:50,939 INFO L93 Difference]: Finished difference Result 235 states and 250 transitions. [2018-03-29 21:41:50,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-03-29 21:41:50,939 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 70 [2018-03-29 21:41:50,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:41:50,940 INFO L225 Difference]: With dead ends: 235 [2018-03-29 21:41:50,940 INFO L226 Difference]: Without dead ends: 228 [2018-03-29 21:41:50,941 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 108 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=222, Invalid=1587, Unknown=13, NotChecked=340, Total=2162 [2018-03-29 21:41:50,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2018-03-29 21:41:50,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 222. [2018-03-29 21:41:50,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2018-03-29 21:41:50,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 237 transitions. [2018-03-29 21:41:50,957 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 237 transitions. Word has length 70 [2018-03-29 21:41:50,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:41:50,957 INFO L459 AbstractCegarLoop]: Abstraction has 222 states and 237 transitions. [2018-03-29 21:41:50,958 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-03-29 21:41:50,958 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 237 transitions. [2018-03-29 21:41:50,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-03-29 21:41:50,958 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:41:50,958 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:41:50,958 INFO L408 AbstractCegarLoop]: === Iteration 23 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr26EnsuresViolationMEMORY_LEAK, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-03-29 21:41:50,959 INFO L82 PathProgramCache]: Analyzing trace with hash 1999325105, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:41:50,964 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:41:50,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:41:50,987 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:41:51,021 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2018-03-29 21:41:51,022 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-03-29 21:41:51,022 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:51,023 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:51,027 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. [2018-03-29 21:41:51,028 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:23, output treesize:19 [2018-03-29 21:41:51,069 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 [2018-03-29 21:41:51,070 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:41:51,071 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 [2018-03-29 21:41:51,071 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:51,073 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:51,077 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:51,077 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:31, output treesize:3 [2018-03-29 21:41:51,105 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-03-29 21:41:51,105 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:41:51,160 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 9 treesize of output 7 [2018-03-29 21:41:51,161 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 7 treesize of output 3 [2018-03-29 21:41:51,161 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:51,162 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:51,167 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-03-29 21:41:51,167 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:31 [2018-03-29 21:41:51,268 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-03-29 21:41:51,289 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-29 21:41:51,289 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 20 [2018-03-29 21:41:51,289 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-03-29 21:41:51,290 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-03-29 21:41:51,290 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=344, Unknown=0, NotChecked=0, Total=420 [2018-03-29 21:41:51,290 INFO L87 Difference]: Start difference. First operand 222 states and 237 transitions. Second operand 21 states. [2018-03-29 21:41:51,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:41:51,870 INFO L93 Difference]: Finished difference Result 289 states and 304 transitions. [2018-03-29 21:41:51,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-03-29 21:41:51,871 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 70 [2018-03-29 21:41:51,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:41:51,872 INFO L225 Difference]: With dead ends: 289 [2018-03-29 21:41:51,872 INFO L226 Difference]: Without dead ends: 288 [2018-03-29 21:41:51,873 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 118 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=291, Invalid=969, Unknown=0, NotChecked=0, Total=1260 [2018-03-29 21:41:51,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2018-03-29 21:41:51,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 216. [2018-03-29 21:41:51,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2018-03-29 21:41:51,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 231 transitions. [2018-03-29 21:41:51,889 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 231 transitions. Word has length 70 [2018-03-29 21:41:51,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:41:51,889 INFO L459 AbstractCegarLoop]: Abstraction has 216 states and 231 transitions. [2018-03-29 21:41:51,889 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-03-29 21:41:51,890 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 231 transitions. [2018-03-29 21:41:51,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-03-29 21:41:51,890 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:41:51,890 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:41:51,890 INFO L408 AbstractCegarLoop]: === Iteration 24 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr26EnsuresViolationMEMORY_LEAK, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-03-29 21:41:51,891 INFO L82 PathProgramCache]: Analyzing trace with hash -1739773502, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:41:51,901 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:41:51,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:41:51,932 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:41:51,934 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 21:41:51,934 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:51,936 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:51,936 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-29 21:41:51,959 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:41:51,960 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:41:51,960 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-03-29 21:41:51,961 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:51,966 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:51,966 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:20 [2018-03-29 21:41:51,988 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2018-03-29 21:41:51,991 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 10 treesize of output 9 [2018-03-29 21:41:51,991 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:51,993 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:52,004 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-29 21:41:52,006 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 10 treesize of output 9 [2018-03-29 21:41:52,006 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:52,007 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:52,015 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:52,016 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:46, output treesize:32 [2018-03-29 21:41:52,076 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-03-29 21:41:52,077 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:52,087 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. [2018-03-29 21:41:52,087 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:56, output treesize:55 [2018-03-29 21:41:52,132 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 44 treesize of output 45 [2018-03-29 21:41:52,134 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-03-29 21:41:52,134 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:52,140 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:52,159 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 45 [2018-03-29 21:41:52,161 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-03-29 21:41:52,161 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:52,165 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:52,178 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. [2018-03-29 21:41:52,179 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:96, output treesize:58 [2018-03-29 21:41:52,269 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 [2018-03-29 21:41:52,271 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:41:52,271 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2018-03-29 21:41:52,271 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:52,275 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:52,286 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. [2018-03-29 21:41:52,286 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:79, output treesize:58 [2018-03-29 21:41:52,387 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:41:52,389 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 43 treesize of output 43 [2018-03-29 21:41:52,391 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:41:52,392 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2018-03-29 21:41:52,392 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:52,399 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:41:52,400 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 [2018-03-29 21:41:52,400 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:52,403 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:52,413 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:41:52,413 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:67, output treesize:5 [2018-03-29 21:41:52,490 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:41:52,490 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:41:58,857 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 3 [2018-03-29 21:41:58,858 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:41:58,867 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-03-29 21:41:58,867 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:69, output treesize:64 [2018-03-29 21:42:08,045 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 75 treesize of output 47 [2018-03-29 21:42:08,063 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 10 [2018-03-29 21:42:08,064 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:08,102 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 5 new quantified variables, introduced 7 case distinctions, treesize of input 39 treesize of output 78 [2018-03-29 21:42:08,108 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 51 [2018-03-29 21:42:08,109 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:08,219 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:42:08,220 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 53 [2018-03-29 21:42:08,220 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:08,340 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:42:08,350 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 3 case distinctions, treesize of input 44 treesize of output 63 [2018-03-29 21:42:08,351 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-03-29 21:42:08,501 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 61 [2018-03-29 21:42:08,502 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-03-29 21:42:08,652 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 62 [2018-03-29 21:42:08,655 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 40 [2018-03-29 21:42:08,656 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:08,704 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 30 [2018-03-29 21:42:08,704 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:08,754 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 41 [2018-03-29 21:42:08,754 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 2 xjuncts. [2018-03-29 21:42:08,816 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 50 [2018-03-29 21:42:08,817 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 3 xjuncts. [2018-03-29 21:42:08,871 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 45 [2018-03-29 21:42:08,872 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2018-03-29 21:42:08,911 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2018-03-29 21:42:08,911 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:08,981 INFO L267 ElimStorePlain]: Start of recursive call 9: 8 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-03-29 21:42:08,994 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 62 [2018-03-29 21:42:09,009 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 45 treesize of output 52 [2018-03-29 21:42:09,010 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 3 xjuncts. [2018-03-29 21:42:09,104 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 35 treesize of output 73 [2018-03-29 21:42:09,106 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 7 xjuncts. [2018-03-29 21:42:09,195 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 40 [2018-03-29 21:42:09,195 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:09,256 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 30 [2018-03-29 21:42:09,257 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:09,314 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 36 treesize of output 32 [2018-03-29 21:42:09,314 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:09,373 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 37 [2018-03-29 21:42:09,374 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 2 xjuncts. [2018-03-29 21:42:09,435 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2018-03-29 21:42:09,435 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 2 xjuncts. [2018-03-29 21:42:09,510 INFO L267 ElimStorePlain]: Start of recursive call 16: 8 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-03-29 21:42:09,664 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2018-03-29 21:42:09,675 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 35 [2018-03-29 21:42:09,676 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 3 xjuncts. [2018-03-29 21:42:09,695 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:42:09,937 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 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 82 [2018-03-29 21:42:09,954 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 47 treesize of output 47 [2018-03-29 21:42:09,955 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 2 xjuncts. [2018-03-29 21:42:10,641 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 37 treesize of output 75 [2018-03-29 21:42:10,643 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 7 xjuncts. [2018-03-29 21:42:11,403 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 42 [2018-03-29 21:42:11,403 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:12,226 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 51 treesize of output 54 [2018-03-29 21:42:12,227 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 3 xjuncts. [2018-03-29 21:42:12,983 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 31 treesize of output 69 [2018-03-29 21:42:12,984 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 7 xjuncts. [2018-03-29 21:42:13,512 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2018-03-29 21:42:13,512 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:13,894 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 51 treesize of output 54 [2018-03-29 21:42:13,894 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 3 xjuncts. [2018-03-29 21:42:14,265 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 39 treesize of output 35 [2018-03-29 21:42:14,266 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 2 xjuncts. [2018-03-29 21:42:14,272 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 35 treesize of output 31 [2018-03-29 21:42:14,272 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 2 xjuncts. [2018-03-29 21:42:14,637 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 39 [2018-03-29 21:42:14,637 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:15,007 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 50 [2018-03-29 21:42:15,008 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 3 xjuncts. [2018-03-29 21:42:15,333 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 47 [2018-03-29 21:42:15,334 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 2 xjuncts. [2018-03-29 21:42:15,616 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 28 treesize of output 28 [2018-03-29 21:42:15,617 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 2 xjuncts. [2018-03-29 21:42:16,138 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 22 [2018-03-29 21:42:16,138 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 2 xjuncts. [2018-03-29 21:42:16,643 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 44 treesize of output 51 [2018-03-29 21:42:16,644 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 3 xjuncts. [2018-03-29 21:42:16,808 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2018-03-29 21:42:16,808 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:17,916 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 43 [2018-03-29 21:42:17,917 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 2 xjuncts. [2018-03-29 21:42:18,046 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2018-03-29 21:42:18,047 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:18,284 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2018-03-29 21:42:18,285 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:19,103 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 39 [2018-03-29 21:42:19,103 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:19,282 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 30 [2018-03-29 21:42:19,283 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:19,622 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2018-03-29 21:42:19,622 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:19,706 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 45 [2018-03-29 21:42:19,707 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 3 xjuncts. [2018-03-29 21:42:19,903 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2018-03-29 21:42:19,904 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:20,383 INFO L267 ElimStorePlain]: Start of recursive call 26: 57 dim-1 vars, End of recursive call: and 7 xjuncts. [2018-03-29 21:42:20,498 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:42:20,514 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 68 treesize of output 80 [2018-03-29 21:42:21,411 WARN L151 SmtUtils]: Spent 886ms on a formula simplification. DAG size of input: 391 DAG size of output 391 [2018-03-29 21:42:21,424 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 53 [2018-03-29 21:42:21,425 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 3 xjuncts. [2018-03-29 21:42:21,433 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 35 [2018-03-29 21:42:21,434 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 2 xjuncts. [2018-03-29 21:42:21,446 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 56 [2018-03-29 21:42:21,447 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 3 xjuncts. [2018-03-29 21:42:22,009 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 2 new quantified variables, introduced 5 case distinctions, treesize of input 34 treesize of output 77 [2018-03-29 21:42:22,011 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 16 xjuncts. [2018-03-29 21:42:22,892 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 36 [2018-03-29 21:42:22,892 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:23,340 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 38 [2018-03-29 21:42:23,340 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 3 xjuncts. [2018-03-29 21:42:23,749 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 31 treesize of output 69 [2018-03-29 21:42:23,751 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 7 xjuncts. [2018-03-29 21:42:23,924 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 38 [2018-03-29 21:42:23,925 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 3 xjuncts. [2018-03-29 21:42:24,970 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 44 [2018-03-29 21:42:24,971 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 3 xjuncts. [2018-03-29 21:42:25,832 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 39 treesize of output 39 [2018-03-29 21:42:25,833 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 2 xjuncts. [2018-03-29 21:42:25,923 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 35 [2018-03-29 21:42:25,924 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 3 xjuncts. [2018-03-29 21:42:26,011 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 27 treesize of output 19 [2018-03-29 21:42:26,011 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:26,151 INFO L267 ElimStorePlain]: Start of recursive call 51: 36 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-03-29 21:42:26,317 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 36 [2018-03-29 21:42:26,329 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 38 [2018-03-29 21:42:26,330 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 3 xjuncts. [2018-03-29 21:42:26,360 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 22 treesize of output 22 [2018-03-29 21:42:26,361 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 2 xjuncts. [2018-03-29 21:42:26,382 INFO L267 ElimStorePlain]: Start of recursive call 64: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-03-29 21:42:26,443 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2018-03-29 21:42:26,446 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2018-03-29 21:42:26,472 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:26,485 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 19 treesize of output 14 [2018-03-29 21:42:26,486 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:26,507 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 35 [2018-03-29 21:42:26,507 INFO L267 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 3 xjuncts. [2018-03-29 21:42:26,527 INFO L267 ElimStorePlain]: Start of recursive call 67: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-03-29 21:42:26,590 INFO L267 ElimStorePlain]: Start of recursive call 4: 4 dim-1 vars, 9 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-03-29 21:42:26,614 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 4 case distinctions, treesize of input 55 treesize of output 67 [2018-03-29 21:42:26,631 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 58 [2018-03-29 21:42:26,631 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 2 xjuncts. [2018-03-29 21:42:26,674 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 48 [2018-03-29 21:42:26,674 INFO L267 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:26,739 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 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 80 [2018-03-29 21:42:27,792 WARN L151 SmtUtils]: Spent 1043ms on a formula simplification. DAG size of input: 432 DAG size of output 430 [2018-03-29 21:42:27,792 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-03-29 21:42:27,796 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 39 treesize of output 31 [2018-03-29 21:42:27,797 INFO L267 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:28,470 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 72 [2018-03-29 21:42:28,471 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 7 xjuncts. [2018-03-29 21:42:29,139 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 48 treesize of output 44 [2018-03-29 21:42:29,139 INFO L267 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:29,751 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 25 treesize of output 25 [2018-03-29 21:42:29,752 INFO L267 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 2 xjuncts. [2018-03-29 21:42:30,848 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 41 treesize of output 44 [2018-03-29 21:42:30,849 INFO L267 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 3 xjuncts. [2018-03-29 21:42:31,381 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 34 treesize of output 72 [2018-03-29 21:42:31,382 INFO L267 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 7 xjuncts. [2018-03-29 21:42:31,872 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 31 treesize of output 69 [2018-03-29 21:42:31,874 INFO L267 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 7 xjuncts. [2018-03-29 21:42:32,646 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 47 [2018-03-29 21:42:32,646 INFO L267 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:33,673 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 47 [2018-03-29 21:42:33,674 INFO L267 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 3 xjuncts. [2018-03-29 21:42:33,680 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 29 treesize of output 29 [2018-03-29 21:42:33,681 INFO L267 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 2 xjuncts. [2018-03-29 21:42:33,976 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 47 [2018-03-29 21:42:33,977 INFO L267 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 3 xjuncts. [2018-03-29 21:42:34,378 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 41 treesize of output 48 [2018-03-29 21:42:34,379 INFO L267 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 3 xjuncts. [2018-03-29 21:42:34,577 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 27 [2018-03-29 21:42:34,577 INFO L267 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:34,579 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2018-03-29 21:42:34,580 INFO L267 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:34,581 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 32 treesize of output 28 [2018-03-29 21:42:34,582 INFO L267 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:34,938 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 38 [2018-03-29 21:42:34,939 INFO L267 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:35,116 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 31 [2018-03-29 21:42:35,116 INFO L267 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:35,293 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 31 [2018-03-29 21:42:35,294 INFO L267 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 2 xjuncts. [2018-03-29 21:42:36,067 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 38 treesize of output 34 [2018-03-29 21:42:36,067 INFO L267 ElimStorePlain]: Start of recursive call 93: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:36,319 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 29 [2018-03-29 21:42:36,319 INFO L267 ElimStorePlain]: Start of recursive call 94: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:36,445 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 27 [2018-03-29 21:42:36,445 INFO L267 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:36,808 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 31 treesize of output 38 [2018-03-29 21:42:36,808 INFO L267 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 3 xjuncts. [2018-03-29 21:42:37,275 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 33 [2018-03-29 21:42:37,276 INFO L267 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 2 xjuncts. [2018-03-29 21:42:37,377 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 29 [2018-03-29 21:42:37,378 INFO L267 ElimStorePlain]: Start of recursive call 98: End of recursive call: and 2 xjuncts. [2018-03-29 21:42:37,384 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 28 treesize of output 32 [2018-03-29 21:42:37,384 INFO L267 ElimStorePlain]: Start of recursive call 99: End of recursive call: and 2 xjuncts. [2018-03-29 21:42:37,695 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 21 treesize of output 17 [2018-03-29 21:42:37,696 INFO L267 ElimStorePlain]: Start of recursive call 100: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:37,781 INFO L267 ElimStorePlain]: Start of recursive call 74: 46 dim-1 vars, End of recursive call: and 7 xjuncts. [2018-03-29 21:42:37,860 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 59 [2018-03-29 21:42:37,873 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 50 [2018-03-29 21:42:37,874 INFO L267 ElimStorePlain]: Start of recursive call 102: End of recursive call: and 3 xjuncts. [2018-03-29 21:42:37,932 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 42 [2018-03-29 21:42:37,933 INFO L267 ElimStorePlain]: Start of recursive call 103: End of recursive call: and 2 xjuncts. [2018-03-29 21:42:37,986 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 38 [2018-03-29 21:42:37,986 INFO L267 ElimStorePlain]: Start of recursive call 104: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:38,031 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 37 [2018-03-29 21:42:38,031 INFO L267 ElimStorePlain]: Start of recursive call 105: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:38,075 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 29 [2018-03-29 21:42:38,075 INFO L267 ElimStorePlain]: Start of recursive call 106: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:38,115 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 19 [2018-03-29 21:42:38,115 INFO L267 ElimStorePlain]: Start of recursive call 107: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:38,177 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 28 treesize of output 28 [2018-03-29 21:42:38,178 INFO L267 ElimStorePlain]: Start of recursive call 108: End of recursive call: and 2 xjuncts. [2018-03-29 21:42:38,197 INFO L267 ElimStorePlain]: Start of recursive call 101: 8 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-03-29 21:42:38,272 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 5 new quantified variables, introduced 5 case distinctions, treesize of input 45 treesize of output 79 [2018-03-29 21:42:38,295 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 55 [2018-03-29 21:42:38,296 INFO L267 ElimStorePlain]: Start of recursive call 110: End of recursive call: and 3 xjuncts. [2018-03-29 21:42:38,917 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 39 [2018-03-29 21:42:38,917 INFO L267 ElimStorePlain]: Start of recursive call 111: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:39,503 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 44 [2018-03-29 21:42:39,504 INFO L267 ElimStorePlain]: Start of recursive call 112: End of recursive call: and 2 xjuncts. [2018-03-29 21:42:40,111 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 28 [2018-03-29 21:42:40,112 INFO L267 ElimStorePlain]: Start of recursive call 113: End of recursive call: and 2 xjuncts. [2018-03-29 21:42:40,118 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 36 treesize of output 32 [2018-03-29 21:42:40,119 INFO L267 ElimStorePlain]: Start of recursive call 114: End of recursive call: and 2 xjuncts. [2018-03-29 21:42:40,713 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 47 [2018-03-29 21:42:40,713 INFO L267 ElimStorePlain]: Start of recursive call 115: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:41,342 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 34 treesize of output 72 [2018-03-29 21:42:41,343 INFO L267 ElimStorePlain]: Start of recursive call 116: End of recursive call: and 7 xjuncts. [2018-03-29 21:42:41,940 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 29 [2018-03-29 21:42:41,940 INFO L267 ElimStorePlain]: Start of recursive call 117: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:42,485 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 44 treesize of output 40 [2018-03-29 21:42:42,485 INFO L267 ElimStorePlain]: Start of recursive call 118: End of recursive call: and 2 xjuncts. [2018-03-29 21:42:43,044 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 32 [2018-03-29 21:42:43,045 INFO L267 ElimStorePlain]: Start of recursive call 119: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:43,620 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 41 treesize of output 75 [2018-03-29 21:42:43,621 INFO L267 ElimStorePlain]: Start of recursive call 120: End of recursive call: and 7 xjuncts. [2018-03-29 21:42:44,354 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 35 [2018-03-29 21:42:44,355 INFO L267 ElimStorePlain]: Start of recursive call 121: End of recursive call: and 2 xjuncts. [2018-03-29 21:42:44,361 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 32 treesize of output 32 [2018-03-29 21:42:44,361 INFO L267 ElimStorePlain]: Start of recursive call 122: End of recursive call: and 2 xjuncts. [2018-03-29 21:42:44,726 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 44 treesize of output 40 [2018-03-29 21:42:44,727 INFO L267 ElimStorePlain]: Start of recursive call 123: End of recursive call: and 2 xjuncts. [2018-03-29 21:42:45,035 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 29 treesize of output 25 [2018-03-29 21:42:45,036 INFO L267 ElimStorePlain]: Start of recursive call 124: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:45,338 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 44 treesize of output 36 [2018-03-29 21:42:45,338 INFO L267 ElimStorePlain]: Start of recursive call 125: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:45,639 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 41 treesize of output 48 [2018-03-29 21:42:45,640 INFO L267 ElimStorePlain]: Start of recursive call 126: End of recursive call: and 3 xjuncts. [2018-03-29 21:42:45,946 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 31 treesize of output 27 [2018-03-29 21:42:45,947 INFO L267 ElimStorePlain]: Start of recursive call 127: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:45,948 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2018-03-29 21:42:45,949 INFO L267 ElimStorePlain]: Start of recursive call 128: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:45,950 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 29 treesize of output 25 [2018-03-29 21:42:45,950 INFO L267 ElimStorePlain]: Start of recursive call 129: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:47,150 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 14 [2018-03-29 21:42:47,150 INFO L267 ElimStorePlain]: Start of recursive call 130: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:47,368 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 39 [2018-03-29 21:42:47,369 INFO L267 ElimStorePlain]: Start of recursive call 131: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:47,587 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 39 treesize of output 39 [2018-03-29 21:42:47,588 INFO L267 ElimStorePlain]: Start of recursive call 132: End of recursive call: and 2 xjuncts. [2018-03-29 21:42:48,023 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2018-03-29 21:42:48,024 INFO L267 ElimStorePlain]: Start of recursive call 133: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:48,514 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 36 [2018-03-29 21:42:48,514 INFO L267 ElimStorePlain]: Start of recursive call 134: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:48,682 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 47 [2018-03-29 21:42:48,683 INFO L267 ElimStorePlain]: Start of recursive call 135: End of recursive call: and 3 xjuncts. [2018-03-29 21:42:48,827 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 31 treesize of output 69 [2018-03-29 21:42:48,828 INFO L267 ElimStorePlain]: Start of recursive call 136: End of recursive call: and 7 xjuncts. [2018-03-29 21:42:49,020 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 31 treesize of output 27 [2018-03-29 21:42:49,020 INFO L267 ElimStorePlain]: Start of recursive call 137: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:49,276 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 35 [2018-03-29 21:42:49,277 INFO L267 ElimStorePlain]: Start of recursive call 138: End of recursive call: and 3 xjuncts. [2018-03-29 21:42:49,867 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 35 [2018-03-29 21:42:49,868 INFO L267 ElimStorePlain]: Start of recursive call 139: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:49,988 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2018-03-29 21:42:49,989 INFO L267 ElimStorePlain]: Start of recursive call 140: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:50,217 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 14 [2018-03-29 21:42:50,217 INFO L267 ElimStorePlain]: Start of recursive call 141: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:50,571 INFO L267 ElimStorePlain]: Start of recursive call 109: 57 dim-1 vars, End of recursive call: and 8 xjuncts. [2018-03-29 21:42:50,617 INFO L267 ElimStorePlain]: Start of recursive call 71: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 7 xjuncts. [2018-03-29 21:42:50,667 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 10 xjuncts. [2018-03-29 21:42:50,727 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 39 treesize of output 31 [2018-03-29 21:42:50,741 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 10 [2018-03-29 21:42:50,741 INFO L267 ElimStorePlain]: Start of recursive call 143: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:50,758 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 24 [2018-03-29 21:42:50,761 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2018-03-29 21:42:50,761 INFO L267 ElimStorePlain]: Start of recursive call 145: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:50,770 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 11 treesize of output 7 [2018-03-29 21:42:50,771 INFO L267 ElimStorePlain]: Start of recursive call 146: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:50,782 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 16 [2018-03-29 21:42:50,782 INFO L267 ElimStorePlain]: Start of recursive call 147: End of recursive call: and 2 xjuncts. [2018-03-29 21:42:50,786 INFO L267 ElimStorePlain]: Start of recursive call 144: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-03-29 21:42:50,788 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 17 [2018-03-29 21:42:50,790 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 1 [2018-03-29 21:42:50,790 INFO L267 ElimStorePlain]: Start of recursive call 149: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:50,793 INFO L267 ElimStorePlain]: Start of recursive call 148: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:42:50,805 INFO L267 ElimStorePlain]: Start of recursive call 142: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 10 xjuncts. [2018-03-29 21:42:50,886 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: and 37 xjuncts. [2018-03-29 21:42:50,887 INFO L202 ElimStorePlain]: Needed 149 recursive calls to eliminate 7 variables, input treesize:130, output treesize:993 [2018-03-29 21:42:51,084 WARN L151 SmtUtils]: Spent 128ms on a formula simplification. DAG size of input: 82 DAG size of output 29 [2018-03-29 21:42:51,498 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:42:51,519 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-29 21:42:51,519 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 39 [2018-03-29 21:42:51,519 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-03-29 21:42:51,520 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-03-29 21:42:51,520 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=1431, Unknown=7, NotChecked=0, Total=1560 [2018-03-29 21:42:51,520 INFO L87 Difference]: Start difference. First operand 216 states and 231 transitions. Second operand 40 states. [2018-03-29 21:42:53,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:42:53,879 INFO L93 Difference]: Finished difference Result 301 states and 325 transitions. [2018-03-29 21:42:53,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-03-29 21:42:53,880 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 73 [2018-03-29 21:42:53,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:42:53,881 INFO L225 Difference]: With dead ends: 301 [2018-03-29 21:42:53,881 INFO L226 Difference]: Without dead ends: 300 [2018-03-29 21:42:53,882 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 106 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 761 ImplicationChecksByTransitivity, 17.5s TimeCoverageRelationStatistics Valid=558, Invalid=3725, Unknown=7, NotChecked=0, Total=4290 [2018-03-29 21:42:53,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2018-03-29 21:42:53,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 229. [2018-03-29 21:42:53,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2018-03-29 21:42:53,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 246 transitions. [2018-03-29 21:42:53,898 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 246 transitions. Word has length 73 [2018-03-29 21:42:53,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:42:53,898 INFO L459 AbstractCegarLoop]: Abstraction has 229 states and 246 transitions. [2018-03-29 21:42:53,898 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-03-29 21:42:53,898 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 246 transitions. [2018-03-29 21:42:53,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-03-29 21:42:53,899 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:42:53,899 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:42:53,899 INFO L408 AbstractCegarLoop]: === Iteration 25 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr26EnsuresViolationMEMORY_LEAK, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-03-29 21:42:53,899 INFO L82 PathProgramCache]: Analyzing trace with hash -1739773501, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:42:53,907 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:42:53,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:42:53,935 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:42:53,937 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-03-29 21:42:53,938 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:53,941 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:42:53,941 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-29 21:42:53,964 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:42:53,965 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:42:53,965 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-03-29 21:42:53,965 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:53,974 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:42:53,974 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:20 [2018-03-29 21:42:53,996 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2018-03-29 21:42:53,998 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-29 21:42:53,998 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:53,999 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:42:54,010 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-03-29 21:42:54,011 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-29 21:42:54,012 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:54,013 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:42:54,021 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:42:54,021 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:46, output treesize:32 [2018-03-29 21:42:54,082 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-03-29 21:42:54,082 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:54,094 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. [2018-03-29 21:42:54,094 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:59, output treesize:58 [2018-03-29 21:42:54,142 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 55 [2018-03-29 21:42:54,143 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-03-29 21:42:54,144 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:54,149 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:42:54,167 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 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 [2018-03-29 21:42:54,168 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-03-29 21:42:54,168 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:54,173 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:42:54,187 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-29 21:42:54,187 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:96, output treesize:73 [2018-03-29 21:42:54,429 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:42:54,429 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:42:54,432 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 73 treesize of output 77 [2018-03-29 21:42:54,435 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:42:54,435 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 30 [2018-03-29 21:42:54,436 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:42:54,447 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:42:54,447 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-03-29 21:42:54,447 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:54,455 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:42:54,479 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 40 [2018-03-29 21:42:54,481 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:42:54,482 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2018-03-29 21:42:54,482 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:54,490 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:42:54,491 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-03-29 21:42:54,491 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:54,495 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:42:54,506 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:42:54,506 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 7 variables, input treesize:118, output treesize:9 [2018-03-29 21:42:54,575 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:42:54,575 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:42:55,314 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 135 treesize of output 101 [2018-03-29 21:42:55,314 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:55,316 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 101 [2018-03-29 21:42:55,316 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:42:55,357 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, End of recursive call: 9 dim-0 vars, and 3 xjuncts. [2018-03-29 21:42:55,358 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 7 variables, input treesize:168, output treesize:193 [2018-03-29 21:43:07,129 WARN L148 SmtUtils]: Spent 6049ms on a formula simplification that was a NOOP. DAG size: 72 [2018-03-29 21:43:23,439 WARN L148 SmtUtils]: Spent 16038ms on a formula simplification that was a NOOP. DAG size: 76 [2018-03-29 21:43:29,697 WARN L148 SmtUtils]: Spent 6057ms on a formula simplification that was a NOOP. DAG size: 89 Received shutdown request... [2018-03-29 21:43:29,802 INFO L175 TraceCheckSpWp]: Timeout while computing interpolants [2018-03-29 21:43:29,802 WARN L519 AbstractCegarLoop]: Verification canceled [2018-03-29 21:43:29,806 WARN L197 ceAbstractionStarter]: Timeout [2018-03-29 21:43:29,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 09:43:29 BoogieIcfgContainer [2018-03-29 21:43:29,807 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-03-29 21:43:29,807 INFO L168 Benchmark]: Toolchain (without parser) took 145612.49 ms. Allocated memory was 299.4 MB in the beginning and 487.6 MB in the end (delta: 188.2 MB). Free memory was 237.2 MB in the beginning and 283.1 MB in the end (delta: -45.9 MB). Peak memory consumption was 142.3 MB. Max. memory is 5.3 GB. [2018-03-29 21:43:29,808 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 299.4 MB. Free memory is still 261.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-03-29 21:43:29,808 INFO L168 Benchmark]: CACSL2BoogieTranslator took 340.71 ms. Allocated memory is still 299.4 MB. Free memory was 236.2 MB in the beginning and 211.2 MB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 5.3 GB. [2018-03-29 21:43:29,809 INFO L168 Benchmark]: Boogie Preprocessor took 56.12 ms. Allocated memory is still 299.4 MB. Free memory was 211.2 MB in the beginning and 209.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-03-29 21:43:29,809 INFO L168 Benchmark]: RCFGBuilder took 553.79 ms. Allocated memory was 299.4 MB in the beginning and 455.6 MB in the end (delta: 156.2 MB). Free memory was 209.2 MB in the beginning and 385.8 MB in the end (delta: -176.6 MB). Peak memory consumption was 22.7 MB. Max. memory is 5.3 GB. [2018-03-29 21:43:29,809 INFO L168 Benchmark]: TraceAbstraction took 144654.29 ms. Allocated memory was 455.6 MB in the beginning and 487.6 MB in the end (delta: 32.0 MB). Free memory was 385.8 MB in the beginning and 283.1 MB in the end (delta: 102.7 MB). Peak memory consumption was 134.7 MB. Max. memory is 5.3 GB. [2018-03-29 21:43:29,810 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 299.4 MB. Free memory is still 261.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 340.71 ms. Allocated memory is still 299.4 MB. Free memory was 236.2 MB in the beginning and 211.2 MB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 56.12 ms. Allocated memory is still 299.4 MB. Free memory was 211.2 MB in the beginning and 209.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 553.79 ms. Allocated memory was 299.4 MB in the beginning and 455.6 MB in the end (delta: 156.2 MB). Free memory was 209.2 MB in the beginning and 385.8 MB in the end (delta: -176.6 MB). Peak memory consumption was 22.7 MB. Max. memory is 5.3 GB. * TraceAbstraction took 144654.29 ms. Allocated memory was 455.6 MB in the beginning and 487.6 MB in the end (delta: 32.0 MB). Free memory was 385.8 MB in the beginning and 283.1 MB in the end (delta: 102.7 MB). Peak memory consumption was 134.7 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 642]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 642). Cancelled while BasicCegarLoop was analyzing trace of length 74 with TraceHistMax 3, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 35 known predicates. - TimeoutResultAtElement [Line: 651]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 651). Cancelled while BasicCegarLoop was analyzing trace of length 74 with TraceHistMax 3, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 35 known predicates. - TimeoutResultAtElement [Line: 666]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 666). Cancelled while BasicCegarLoop was analyzing trace of length 74 with TraceHistMax 3, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 35 known predicates. - TimeoutResultAtElement [Line: 626]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 626). Cancelled while BasicCegarLoop was analyzing trace of length 74 with TraceHistMax 3, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 35 known predicates. - TimeoutResultAtElement [Line: 661]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 661). Cancelled while BasicCegarLoop was analyzing trace of length 74 with TraceHistMax 3, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 35 known predicates. - TimeoutResultAtElement [Line: 634]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 634). Cancelled while BasicCegarLoop was analyzing trace of length 74 with TraceHistMax 3, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 35 known predicates. - TimeoutResultAtElement [Line: 663]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 663). Cancelled while BasicCegarLoop was analyzing trace of length 74 with TraceHistMax 3, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 35 known predicates. - TimeoutResultAtElement [Line: 637]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 637). Cancelled while BasicCegarLoop was analyzing trace of length 74 with TraceHistMax 3, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 35 known predicates. - TimeoutResultAtElement [Line: 655]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 655). Cancelled while BasicCegarLoop was analyzing trace of length 74 with TraceHistMax 3, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 35 known predicates. - TimeoutResultAtElement [Line: 658]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 658). Cancelled while BasicCegarLoop was analyzing trace of length 74 with TraceHistMax 3, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 35 known predicates. - TimeoutResultAtElement [Line: 637]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 637). Cancelled while BasicCegarLoop was analyzing trace of length 74 with TraceHistMax 3, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 35 known predicates. - TimeoutResultAtElement [Line: 651]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 651). Cancelled while BasicCegarLoop was analyzing trace of length 74 with TraceHistMax 3, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 35 known predicates. - TimeoutResultAtElement [Line: 643]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 643). Cancelled while BasicCegarLoop was analyzing trace of length 74 with TraceHistMax 3, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 35 known predicates. - TimeoutResultAtElement [Line: 661]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 661). Cancelled while BasicCegarLoop was analyzing trace of length 74 with TraceHistMax 3, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 35 known predicates. - TimeoutResultAtElement [Line: 666]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 666). Cancelled while BasicCegarLoop was analyzing trace of length 74 with TraceHistMax 3, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 35 known predicates. - TimeoutResultAtElement [Line: 634]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 634). Cancelled while BasicCegarLoop was analyzing trace of length 74 with TraceHistMax 3, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 35 known predicates. - TimeoutResultAtElement [Line: 658]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 658). Cancelled while BasicCegarLoop was analyzing trace of length 74 with TraceHistMax 3, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 35 known predicates. - TimeoutResultAtElement [Line: 664]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 664). Cancelled while BasicCegarLoop was analyzing trace of length 74 with TraceHistMax 3, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 35 known predicates. - TimeoutResultAtElement [Line: 645]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 645). Cancelled while BasicCegarLoop was analyzing trace of length 74 with TraceHistMax 3, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 35 known predicates. - TimeoutResultAtElement [Line: 664]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 664). Cancelled while BasicCegarLoop was analyzing trace of length 74 with TraceHistMax 3, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 35 known predicates. - TimeoutResultAtElement [Line: 643]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 643). Cancelled while BasicCegarLoop was analyzing trace of length 74 with TraceHistMax 3, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 35 known predicates. - TimeoutResultAtElement [Line: 663]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 663). Cancelled while BasicCegarLoop was analyzing trace of length 74 with TraceHistMax 3, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 35 known predicates. - TimeoutResultAtElement [Line: 648]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 648). Cancelled while BasicCegarLoop was analyzing trace of length 74 with TraceHistMax 3, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 35 known predicates. - TimeoutResultAtElement [Line: 645]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 645). Cancelled while BasicCegarLoop was analyzing trace of length 74 with TraceHistMax 3, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 35 known predicates. - TimeoutResultAtElement [Line: 648]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 648). Cancelled while BasicCegarLoop was analyzing trace of length 74 with TraceHistMax 3, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 35 known predicates. - TimeoutResultAtElement [Line: 642]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 642). Cancelled while BasicCegarLoop was analyzing trace of length 74 with TraceHistMax 3, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 35 known predicates. - TimeoutResultAtElement [Line: 655]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 655). Cancelled while BasicCegarLoop was analyzing trace of length 74 with TraceHistMax 3, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 35 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 107 locations, 27 error locations. TIMEOUT Result, 144.5s OverallTime, 25 OverallIterations, 3 TraceHistogramMax, 14.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1845 SDtfs, 10337 SDslu, 14694 SDs, 0 SdLazy, 8866 SolverSat, 1058 SolverUnsat, 28 SolverUnknown, 0 SolverNotchecked, 6.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2436 GetRequests, 1794 SyntacticMatches, 17 SemanticMatches, 625 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 4117 ImplicationChecksByTransitivity, 50.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=229occurred in iteration=24, 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: 0.3s AutomataMinimizationTime, 24 MinimizatonAttempts, 1081 StatesRemovedByMinimization, 23 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 91.9s InterpolantComputationTime, 1100 NumberOfCodeBlocks, 1100 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 2152 ConstructedInterpolants, 692 QuantifiedInterpolants, 2444877 SizeOfPredicates, 312 NumberOfNonLiveVariables, 3415 ConjunctsInSsa, 493 ConjunctsInUnsatCore, 48 InterpolantComputations, 22 PerfectInterpolantSequences, 70/362 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/alternating_list_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-03-29_21-43-29-817.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/alternating_list_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-03-29_21-43-29-817.csv Completed graceful shutdown