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/memsafety/test-0019_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-835382a-m [2018-04-05 17:10:53,709 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-05 17:10:53,711 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-05 17:10:53,726 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-04-05 17:10:53,755 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 [2018-04-05 17:10:53,781 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-05 17:10:53,781 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-05 17:10:53,781 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-05 17:10:53,782 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-05 17:10:53,782 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-05 17:10:53,782 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-05 17:10:53,783 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-05 17:10:53,783 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-05 17:10:53,783 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-05 17:10:53,783 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-05 17:10:53,784 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-05 17:10:53,784 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-05 17:10:53,784 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-05 17:10:53,784 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-05 17:10:53,784 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-05 17:10:53,785 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-05 17:10:53,785 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-05 17:10:53,785 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-05 17:10:53,785 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-05 17:10:53,785 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-05 17:10:53,786 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-05 17:10:53,786 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-05 17:10:53,786 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-05 17:10:53,786 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-05 17:10:53,786 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-05 17:10:53,787 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-05 17:10:53,787 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-05 17:10:53,787 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-05 17:10:53,787 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-05 17:10:53,787 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-05 17:10:53,787 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-05 17:10:53,788 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 17:10:53,788 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-05 17:10:53,789 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-05 17:10:53,789 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-05 17:10:53,789 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-05 17:10:53,789 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-05 17:10:53,825 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-05 17:10:53,837 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-05 17:10:53,841 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-05 17:10:53,842 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-05 17:10:53,843 INFO L276 PluginConnector]: CDTParser initialized [2018-04-05 17:10:53,844 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,190 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG5d306a955 [2018-04-05 17:10:54,389 INFO L287 CDTParser]: IsIndexed: true [2018-04-05 17:10:54,389 INFO L288 CDTParser]: Found 1 translation units. [2018-04-05 17:10:54,389 INFO L168 CDTParser]: Scanning test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,403 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-05 17:10:54,403 INFO L215 ultiparseSymbolTable]: [2018-04-05 17:10:54,403 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-05 17:10:54,403 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data ('free_data') in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,404 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data ('alloc_data') in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,404 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,404 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-05 17:10:54,404 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____u_int in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,404 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____useconds_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,404 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__loff_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,404 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__u_int8_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,405 INFO L230 ultiparseSymbolTable]: Global variable declaration of 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17:10:54,407 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__pthread_cond_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,407 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____blkcnt_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,407 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__dev_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,408 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__pthread_once_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,408 INFO L230 ultiparseSymbolTable]: Global variable declaration of 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17:10:54,408 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____ssize_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,408 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____off_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,409 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____quad_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,410 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____pthread_list_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,410 INFO L230 ultiparseSymbolTable]: Global variable declaration of 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__U_MULTI_ftest______true_valid_memsafety_true_termination_i____suseconds_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,413 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__uid_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,413 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__time_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,414 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__pthread_rwlock_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,414 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__lldiv_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,414 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__int16_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,414 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____dev_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,414 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____fsblkcnt_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,414 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__mode_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,414 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____u_char in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,414 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____rlim_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,415 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____caddr_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,415 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__fd_set in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,415 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__pthread_mutex_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,415 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__size_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,415 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__caddr_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,415 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__blkcnt_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,416 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____mode_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,416 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__u_char in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,416 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__sigset_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,416 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__pthread_key_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,416 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__blksize_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,416 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____intptr_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,416 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____uint32_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,416 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____int16_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,416 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____u_long in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,416 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__div_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,416 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__ldiv_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,416 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__gid_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,416 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____fsfilcnt64_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,416 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__daddr_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,417 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__clock_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,417 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__u_int64_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,417 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__u_short in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,417 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__register_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,417 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__ulong in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,417 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__int8_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,417 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__pthread_barrierattr_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,417 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____fsid_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,417 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__ino_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,417 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__pid_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,417 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____swblk_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,417 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__u_long in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,417 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__ushort in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,418 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____fsfilcnt_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,418 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____WAIT_STATUS in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,418 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__suseconds_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,418 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____loff_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,418 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____u_short in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,418 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__u_quad_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,418 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__int64_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,418 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____time_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,419 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____qaddr_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,419 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____int8_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,419 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____daddr_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,419 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____blksize_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,419 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____uint16_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,419 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__fsid_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,419 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____clock_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,419 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__pthread_condattr_t in test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:54,441 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG5d306a955 [2018-04-05 17:10:54,446 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-05 17:10:54,447 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-05 17:10:54,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-05 17:10:54,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-05 17:10:54,455 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-05 17:10:54,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 05:10:54" (1/1) ... [2018-04-05 17:10:54,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c5f6775 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:10:54, skipping insertion in model container [2018-04-05 17:10:54,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 05:10:54" (1/1) ... [2018-04-05 17:10:54,474 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-05 17:10:54,513 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-05 17:10:54,744 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-05 17:10:54,796 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-05 17:10:54,802 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 111 non ball SCCs. Number of states in SCCs 111. [2018-04-05 17:10:54,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:10:54 WrapperNode [2018-04-05 17:10:54,855 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-05 17:10:54,855 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-05 17:10:54,855 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-05 17:10:54,856 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-05 17:10:54,869 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:10:54" (1/1) ... [2018-04-05 17:10:54,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:10:54" (1/1) ... [2018-04-05 17:10:54,887 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:10:54" (1/1) ... [2018-04-05 17:10:54,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:10:54" (1/1) ... [2018-04-05 17:10:54,899 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:10:54" (1/1) ... [2018-04-05 17:10:54,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:10:54" (1/1) ... [2018-04-05 17:10:54,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:10:54" (1/1) ... [2018-04-05 17:10:54,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-05 17:10:54,908 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-05 17:10:54,908 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-05 17:10:54,909 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-05 17:10:54,910 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:10:54" (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 [2018-04-05 17:10:55,054 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-05 17:10:55,055 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-05 17:10:55,055 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data [2018-04-05 17:10:55,055 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data [2018-04-05 17:10:55,055 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-05 17:10:55,055 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-05 17:10:55,055 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-05 17:10:55,055 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-05 17:10:55,055 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-05 17:10:55,056 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-05 17:10:55,056 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-05 17:10:55,056 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-05 17:10:55,056 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-05 17:10:55,056 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-05 17:10:55,056 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-05 17:10:55,057 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-05 17:10:55,057 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-05 17:10:55,057 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-05 17:10:55,057 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-05 17:10:55,057 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-05 17:10:55,057 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-05 17:10:55,058 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-05 17:10:55,058 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-05 17:10:55,058 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-05 17:10:55,059 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-05 17:10:55,059 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-05 17:10:55,059 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-05 17:10:55,059 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-05 17:10:55,059 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-05 17:10:55,059 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-05 17:10:55,059 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-05 17:10:55,059 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-05 17:10:55,060 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-05 17:10:55,060 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-05 17:10:55,060 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-05 17:10:55,060 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-05 17:10:55,060 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-05 17:10:55,060 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-05 17:10:55,060 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-05 17:10:55,060 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-05 17:10:55,061 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-05 17:10:55,061 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-05 17:10:55,061 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-05 17:10:55,061 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-05 17:10:55,061 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-05 17:10:55,061 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-05 17:10:55,061 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-05 17:10:55,061 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-05 17:10:55,062 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-05 17:10:55,063 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-05 17:10:55,063 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-05 17:10:55,063 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-05 17:10:55,064 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-05 17:10:55,064 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-05 17:10:55,064 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-05 17:10:55,064 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-05 17:10:55,064 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-05 17:10:55,064 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-05 17:10:55,064 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-05 17:10:55,064 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-05 17:10:55,065 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-05 17:10:55,065 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-05 17:10:55,065 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-05 17:10:55,065 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-05 17:10:55,065 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-05 17:10:55,065 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-05 17:10:55,065 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-05 17:10:55,065 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-05 17:10:55,065 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-05 17:10:55,066 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-05 17:10:55,066 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-05 17:10:55,066 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-05 17:10:55,066 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-05 17:10:55,066 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-05 17:10:55,066 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-05 17:10:55,066 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-05 17:10:55,066 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-05 17:10:55,066 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-05 17:10:55,067 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-05 17:10:55,068 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-05 17:10:55,068 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-05 17:10:55,068 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-05 17:10:55,068 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-05 17:10:55,068 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-05 17:10:55,068 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-05 17:10:55,068 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-05 17:10:55,069 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-05 17:10:55,069 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-05 17:10:55,069 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-05 17:10:55,069 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-05 17:10:55,069 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-05 17:10:55,069 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-05 17:10:55,069 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-05 17:10:55,069 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-05 17:10:55,069 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-05 17:10:55,070 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-05 17:10:55,070 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-05 17:10:55,070 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-05 17:10:55,070 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-05 17:10:55,070 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-05 17:10:55,070 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-05 17:10:55,070 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-05 17:10:55,070 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-05 17:10:55,070 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-05 17:10:55,070 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-05 17:10:55,071 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-05 17:10:55,073 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-05 17:10:55,073 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_data [2018-04-05 17:10:55,073 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-05 17:10:55,073 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-05 17:10:55,074 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data [2018-04-05 17:10:55,074 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-05 17:10:55,074 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-05 17:10:55,074 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-05 17:10:55,074 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-05 17:10:55,074 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-05 17:10:55,514 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-05 17:10:55,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 05:10:55 BoogieIcfgContainer [2018-04-05 17:10:55,515 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-05 17:10:55,516 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-05 17:10:55,516 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-05 17:10:55,519 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-05 17:10:55,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 05:10:54" (1/3) ... [2018-04-05 17:10:55,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@660dc78c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 05:10:55, skipping insertion in model container [2018-04-05 17:10:55,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:10:54" (2/3) ... [2018-04-05 17:10:55,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@660dc78c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 05:10:55, skipping insertion in model container [2018-04-05 17:10:55,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 05:10:55" (3/3) ... [2018-04-05 17:10:55,522 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0019_true-valid-memsafety_true-termination.i [2018-04-05 17:10:55,530 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-05 17:10:55,537 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2018-04-05 17:10:55,584 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-05 17:10:55,584 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-05 17:10:55,584 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-05 17:10:55,584 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-05 17:10:55,585 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-05 17:10:55,585 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-05 17:10:55,585 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-05 17:10:55,585 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-05 17:10:55,585 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-05 17:10:55,586 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-05 17:10:55,599 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states. [2018-04-05 17:10:55,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-04-05 17:10:55,604 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 17:10:55,604 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 17:10:55,605 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr1AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr2AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr3AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr0AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 17:10:55,609 INFO L82 PathProgramCache]: Analyzing trace with hash -165630266, 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 [2018-04-05 17:10:55,624 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 17:10:55,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 17:10:55,670 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 17:10:55,725 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 17:10:55,727 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:10:55,735 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:10:55,735 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-05 17:10:55,804 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:10:55,808 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:10:55,809 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-05 17:10:55,810 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:10:55,818 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 17:10:55,818 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2018-04-05 17:10:55,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:10:55,866 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 17:10:56,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:10:56,196 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 17:10:56,197 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2018-04-05 17:10:56,199 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-05 17:10:56,213 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-05 17:10:56,214 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-04-05 17:10:56,217 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 9 states. [2018-04-05 17:10:56,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 17:10:56,620 INFO L93 Difference]: Finished difference Result 52 states and 52 transitions. [2018-04-05 17:10:56,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-05 17:10:56,622 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 11 [2018-04-05 17:10:56,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 17:10:56,633 INFO L225 Difference]: With dead ends: 52 [2018-04-05 17:10:56,634 INFO L226 Difference]: Without dead ends: 45 [2018-04-05 17:10:56,639 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-04-05 17:10:56,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-04-05 17:10:56,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-04-05 17:10:56,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-04-05 17:10:56,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 45 transitions. [2018-04-05 17:10:56,721 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 45 transitions. Word has length 11 [2018-04-05 17:10:56,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 17:10:56,722 INFO L459 AbstractCegarLoop]: Abstraction has 45 states and 45 transitions. [2018-04-05 17:10:56,723 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-05 17:10:56,723 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 45 transitions. [2018-04-05 17:10:56,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-04-05 17:10:56,723 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 17:10:56,724 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 17:10:56,724 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr1AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr2AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr3AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr0AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 17:10:56,724 INFO L82 PathProgramCache]: Analyzing trace with hash -165630265, 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 [2018-04-05 17:10:56,759 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 17:10:56,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 17:10:56,814 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 17:10:56,833 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 17:10:56,834 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:10:56,950 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 17:10:56,951 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:10:57,067 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:10:57,068 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-05 17:10:57,318 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:10:57,326 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:10:57,328 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-04-05 17:10:57,329 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:10:57,417 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:10:57,429 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:10:57,430 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-05 17:10:57,430 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:10:57,462 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 17:10:57,462 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:14 [2018-04-05 17:10:57,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:10:57,514 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 17:10:57,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:10:58,038 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 17:10:58,039 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2018-04-05 17:10:58,040 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-05 17:10:58,041 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-05 17:10:58,041 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-04-05 17:10:58,041 INFO L87 Difference]: Start difference. First operand 45 states and 45 transitions. Second operand 10 states. [2018-04-05 17:10:58,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 17:10:58,619 INFO L93 Difference]: Finished difference Result 45 states and 45 transitions. [2018-04-05 17:10:58,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-05 17:10:58,620 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 11 [2018-04-05 17:10:58,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 17:10:58,621 INFO L225 Difference]: With dead ends: 45 [2018-04-05 17:10:58,621 INFO L226 Difference]: Without dead ends: 41 [2018-04-05 17:10:58,622 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2018-04-05 17:10:58,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-04-05 17:10:58,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-04-05 17:10:58,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-04-05 17:10:58,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2018-04-05 17:10:58,635 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 41 transitions. Word has length 11 [2018-04-05 17:10:58,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 17:10:58,636 INFO L459 AbstractCegarLoop]: Abstraction has 41 states and 41 transitions. [2018-04-05 17:10:58,647 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-05 17:10:58,647 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2018-04-05 17:10:58,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-05 17:10:58,648 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 17:10:58,648 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] [2018-04-05 17:10:58,648 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr1AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr2AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr3AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr0AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 17:10:58,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1278198622, 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 [2018-04-05 17:10:58,675 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 17:10:58,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 17:10:58,750 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 17:10:58,866 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-05 17:10:58,868 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-05 17:10:58,868 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:10:58,876 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:10:58,968 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:10:58,968 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2018-04-05 17:10:58,998 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-05 17:10:59,008 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:10:59,011 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-05 17:10:59,012 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:10:59,020 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:10:59,027 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:10:59,028 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:11 [2018-04-05 17:10:59,166 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-04-05 17:10:59,171 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-04-05 17:10:59,172 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:10:59,176 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:10:59,180 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:10:59,181 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2018-04-05 17:10:59,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:10:59,525 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 17:10:59,760 WARN L148 SmtUtils]: Spent 149ms on a formula simplification that was a NOOP. DAG size: 25 [2018-04-05 17:10:59,939 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-04-05 17:10:59,939 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:10:59,943 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:10:59,943 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:19, output treesize:1 [2018-04-05 17:11:00,251 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 23 treesize of output 27 [2018-04-05 17:11:00,264 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 25 [2018-04-05 17:11:00,427 WARN L148 SmtUtils]: Spent 161ms on a formula simplification that was a NOOP. DAG size: 25 [2018-04-05 17:11:00,431 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-04-05 17:11:00,432 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-05 17:11:00,452 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 12 [2018-04-05 17:11:00,453 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-05 17:11:00,477 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-05 17:11:00,512 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2018-04-05 17:11:00,512 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-05 17:11:00,514 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2018-04-05 17:11:00,515 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-05 17:11:00,519 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 17 treesize of output 15 [2018-04-05 17:11:00,520 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-05 17:11:00,562 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 31 [2018-04-05 17:11:00,611 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2018-04-05 17:11:00,612 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-05 17:11:00,634 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 15 treesize of output 15 [2018-04-05 17:11:00,635 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2018-04-05 17:11:00,641 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 17 [2018-04-05 17:11:00,642 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 2 xjuncts. [2018-04-05 17:11:00,658 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-05 17:11:00,675 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-05 17:11:00,677 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 18 [2018-04-05 17:11:00,680 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 17 [2018-04-05 17:11:00,692 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-04-05 17:11:00,693 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-05 17:11:00,699 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 12 [2018-04-05 17:11:00,700 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 2 xjuncts. [2018-04-05 17:11:00,711 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-05 17:11:00,730 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-05 17:11:00,733 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 11 treesize of output 9 [2018-04-05 17:11:00,736 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-05 17:11:00,736 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-04-05 17:11:00,739 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:11:00,762 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-04-05 17:11:00,762 INFO L202 ElimStorePlain]: Needed 18 recursive calls to eliminate 2 variables, input treesize:25, output treesize:39 [2018-04-05 17:11:00,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:11:00,912 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 17:11:00,912 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11, 10] imperfect sequences [] total 16 [2018-04-05 17:11:00,912 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-05 17:11:00,913 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-05 17:11:00,913 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2018-04-05 17:11:00,913 INFO L87 Difference]: Start difference. First operand 41 states and 41 transitions. Second operand 17 states. [2018-04-05 17:11:01,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 17:11:01,171 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2018-04-05 17:11:01,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-05 17:11:01,172 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 23 [2018-04-05 17:11:01,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 17:11:01,173 INFO L225 Difference]: With dead ends: 41 [2018-04-05 17:11:01,173 INFO L226 Difference]: Without dead ends: 40 [2018-04-05 17:11:01,173 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=71, Invalid=349, Unknown=0, NotChecked=0, Total=420 [2018-04-05 17:11:01,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-04-05 17:11:01,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-04-05 17:11:01,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-04-05 17:11:01,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 40 transitions. [2018-04-05 17:11:01,182 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 40 transitions. Word has length 23 [2018-04-05 17:11:01,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 17:11:01,182 INFO L459 AbstractCegarLoop]: Abstraction has 40 states and 40 transitions. [2018-04-05 17:11:01,182 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-05 17:11:01,182 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 40 transitions. [2018-04-05 17:11:01,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-05 17:11:01,183 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 17:11:01,183 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] [2018-04-05 17:11:01,183 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr1AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr2AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr3AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr0AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 17:11:01,184 INFO L82 PathProgramCache]: Analyzing trace with hash 969451687, 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 [2018-04-05 17:11:01,197 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 17:11:01,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 17:11:01,226 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 17:11:01,339 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 17:11:01,340 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:11:01,361 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:11:01,361 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-05 17:11:01,472 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-05 17:11:01,475 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-05 17:11:01,476 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:11:01,487 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:11:01,552 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:11:01,552 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:19 [2018-04-05 17:11:01,662 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:11:01,669 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:11:01,670 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 21 treesize of output 33 [2018-04-05 17:11:01,671 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:11:01,740 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:11:01,741 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:32 [2018-04-05 17:11:01,865 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 24 [2018-04-05 17:11:01,882 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:11:01,883 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 33 [2018-04-05 17:11:01,884 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:11:01,992 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:11:02,025 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:11:02,025 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:39, output treesize:38 [2018-04-05 17:11:02,172 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2018-04-05 17:11:02,190 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 15 [2018-04-05 17:11:02,193 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 17:11:02,233 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 17:11:02,280 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 17:11:02,280 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:38, output treesize:15 [2018-04-05 17:11:02,535 WARN L148 SmtUtils]: Spent 153ms on a formula simplification that was a NOOP. DAG size: 13 [2018-04-05 17:11:02,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:11:02,917 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 17:11:03,479 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-04-05 17:11:03,479 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 5 variables, input treesize:36, output treesize:1 [2018-04-05 17:11:03,870 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 33 treesize of output 37 [2018-04-05 17:11:03,933 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 41 [2018-04-05 17:11:04,095 WARN L151 SmtUtils]: Spent 160ms on a formula simplification. DAG size of input: 35 DAG size of output 32 [2018-04-05 17:11:04,099 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 29 treesize of output 21 [2018-04-05 17:11:04,100 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-05 17:11:04,180 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 22 treesize of output 22 [2018-04-05 17:11:04,181 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-05 17:11:04,251 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-05 17:11:04,343 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2018-04-05 17:11:04,344 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 17:11:04,448 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 33 [2018-04-05 17:11:04,527 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 17 treesize of output 17 [2018-04-05 17:11:04,528 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-05 17:11:04,540 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-05 17:11:04,564 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2018-04-05 17:11:04,566 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2018-04-05 17:11:04,575 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 22 [2018-04-05 17:11:04,596 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 17 [2018-04-05 17:11:04,597 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-05 17:11:04,607 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-05 17:11:04,621 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-05 17:11:04,628 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 16 treesize of output 14 [2018-04-05 17:11:04,631 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2018-04-05 17:11:04,631 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 17:11:04,635 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 17:11:04,693 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 10 dim-0 vars, and 5 xjuncts. [2018-04-05 17:11:04,693 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 2 variables, input treesize:36, output treesize:138 [2018-04-05 17:11:05,583 WARN L151 SmtUtils]: Spent 776ms on a formula simplification. DAG size of input: 73 DAG size of output 47 [2018-04-05 17:11:05,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:11:05,660 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 17:11:05,660 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12, 11] imperfect sequences [] total 22 [2018-04-05 17:11:05,660 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-05 17:11:05,661 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-05 17:11:05,661 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=438, Unknown=0, NotChecked=0, Total=506 [2018-04-05 17:11:05,661 INFO L87 Difference]: Start difference. First operand 40 states and 40 transitions. Second operand 23 states. [2018-04-05 17:11:06,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 17:11:06,055 INFO L93 Difference]: Finished difference Result 43 states and 43 transitions. [2018-04-05 17:11:06,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-05 17:11:06,084 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 24 [2018-04-05 17:11:06,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 17:11:06,085 INFO L225 Difference]: With dead ends: 43 [2018-04-05 17:11:06,085 INFO L226 Difference]: Without dead ends: 42 [2018-04-05 17:11:06,086 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=132, Invalid=738, Unknown=0, NotChecked=0, Total=870 [2018-04-05 17:11:06,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-04-05 17:11:06,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 39. [2018-04-05 17:11:06,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-04-05 17:11:06,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2018-04-05 17:11:06,090 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 39 transitions. Word has length 24 [2018-04-05 17:11:06,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 17:11:06,090 INFO L459 AbstractCegarLoop]: Abstraction has 39 states and 39 transitions. [2018-04-05 17:11:06,091 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-05 17:11:06,091 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2018-04-05 17:11:06,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-05 17:11:06,091 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 17:11:06,091 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 17:11:06,091 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr1AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr2AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr3AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr0AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 17:11:06,092 INFO L82 PathProgramCache]: Analyzing trace with hash -364829783, 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 [2018-04-05 17:11:06,098 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 17:11:06,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 17:11:06,127 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 17:11:06,181 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-04-05 17:11:06,183 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 10 treesize of output 9 [2018-04-05 17:11:06,184 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:11:06,185 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:11:06,190 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 17:11:06,190 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:20, output treesize:16 [2018-04-05 17:11:06,249 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-04-05 17:11:06,253 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:11:06,253 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-04-05 17:11:06,254 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:11:06,257 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:11:06,263 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:11:06,264 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:28, output treesize:3 [2018-04-05 17:11:06,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:11:06,298 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 17:11:06,357 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 [2018-04-05 17:11:06,366 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-05 17:11:06,367 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:11:06,368 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:11:06,374 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:11:06,374 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:22, output treesize:7 [2018-04-05 17:11:06,420 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 [2018-04-05 17:11:06,422 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 [2018-04-05 17:11:06,422 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:11:06,423 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:11:06,430 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-04-05 17:11:06,430 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:33 [2018-04-05 17:11:06,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:11:06,572 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 17:11:06,572 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 16 [2018-04-05 17:11:06,572 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-05 17:11:06,573 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-05 17:11:06,573 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2018-04-05 17:11:06,573 INFO L87 Difference]: Start difference. First operand 39 states and 39 transitions. Second operand 17 states. [2018-04-05 17:11:06,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 17:11:06,855 INFO L93 Difference]: Finished difference Result 39 states and 39 transitions. [2018-04-05 17:11:06,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-05 17:11:06,863 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 26 [2018-04-05 17:11:06,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 17:11:06,864 INFO L225 Difference]: With dead ends: 39 [2018-04-05 17:11:06,864 INFO L226 Difference]: Without dead ends: 38 [2018-04-05 17:11:06,865 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=348, Unknown=0, NotChecked=0, Total=420 [2018-04-05 17:11:06,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-04-05 17:11:06,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-04-05 17:11:06,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-04-05 17:11:06,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 38 transitions. [2018-04-05 17:11:06,874 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 38 transitions. Word has length 26 [2018-04-05 17:11:06,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 17:11:06,875 INFO L459 AbstractCegarLoop]: Abstraction has 38 states and 38 transitions. [2018-04-05 17:11:06,875 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-05 17:11:06,875 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 38 transitions. [2018-04-05 17:11:06,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-05 17:11:06,878 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 17:11:06,878 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 17:11:06,879 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr1AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr2AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr3AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr0AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 17:11:06,879 INFO L82 PathProgramCache]: Analyzing trace with hash 1575178689, 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 [2018-04-05 17:11:06,892 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 17:11:06,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 17:11:06,926 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 17:11:06,941 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 17:11:06,941 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:11:06,957 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:11:06,957 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-05 17:11:06,979 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-05 17:11:06,981 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-05 17:11:06,982 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:11:06,988 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:11:06,994 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:11:06,994 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:19 [2018-04-05 17:11:07,027 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:11:07,028 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:11:07,029 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 21 treesize of output 33 [2018-04-05 17:11:07,029 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:11:07,074 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:11:07,074 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:32 [2018-04-05 17:11:07,155 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 24 [2018-04-05 17:11:07,170 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:11:07,171 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 33 [2018-04-05 17:11:07,172 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:11:07,221 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:11:07,304 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:11:07,304 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:39, output treesize:38 [2018-04-05 17:11:07,411 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 45 treesize of output 33 [2018-04-05 17:11:07,430 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 33 treesize of output 15 [2018-04-05 17:11:07,431 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:11:07,445 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:11:07,450 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:11:07,450 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:15 [2018-04-05 17:11:07,562 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:11:07,563 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 15 [2018-04-05 17:11:07,563 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:11:07,567 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 17:11:07,567 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:21, output treesize:11 [2018-04-05 17:11:07,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:11:07,588 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 17:11:08,320 WARN L148 SmtUtils]: Spent 312ms on a formula simplification that was a NOOP. DAG size: 32 [2018-04-05 17:11:08,333 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-04-05 17:11:08,333 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 5 variables, input treesize:39, output treesize:1 [2018-04-05 17:11:08,927 WARN L148 SmtUtils]: Spent 123ms on a formula simplification that was a NOOP. DAG size: 37 [2018-04-05 17:11:08,931 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 25 treesize of output 21 [2018-04-05 17:11:08,951 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:11:08,958 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2018-04-05 17:11:08,959 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-05 17:11:09,026 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-05 17:11:09,033 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 38 [2018-04-05 17:11:09,038 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 34 [2018-04-05 17:11:09,241 WARN L151 SmtUtils]: Spent 202ms on a formula simplification. DAG size of input: 35 DAG size of output 35 [2018-04-05 17:11:09,250 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:11:09,284 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 1 case distinctions, treesize of input 32 treesize of output 35 [2018-04-05 17:11:09,285 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-05 17:11:09,289 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:11:09,345 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 54 [2018-04-05 17:11:09,348 INFO L267 ElimStorePlain]: Start of recursive call 7: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2018-04-05 17:11:09,372 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:11:09,448 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 42 treesize of output 51 [2018-04-05 17:11:09,451 INFO L267 ElimStorePlain]: Start of recursive call 8: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2018-04-05 17:11:09,455 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:11:09,456 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:11:09,460 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:11:09,476 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 0 case distinctions, treesize of input 38 treesize of output 39 [2018-04-05 17:11:09,478 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-05 17:11:09,489 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:11:09,539 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 38 [2018-04-05 17:11:09,541 INFO L267 ElimStorePlain]: Start of recursive call 10: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-05 17:11:09,545 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:11:09,553 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 [2018-04-05 17:11:09,555 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 17:11:09,557 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2018-04-05 17:11:09,558 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-05 17:11:09,974 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: 12 dim-0 vars, and 9 xjuncts. [2018-04-05 17:11:10,396 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 12 dim-0 vars, and 9 xjuncts. [2018-04-05 17:11:10,443 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 59 treesize of output 59 [2018-04-05 17:11:10,454 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:11:10,460 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 53 [2018-04-05 17:11:10,461 INFO L267 ElimStorePlain]: Start of recursive call 14: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-05 17:11:10,525 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 48 [2018-04-05 17:11:10,802 WARN L151 SmtUtils]: Spent 276ms on a formula simplification. DAG size of input: 43 DAG size of output 43 [2018-04-05 17:11:10,809 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 29 treesize of output 21 [2018-04-05 17:11:10,810 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-05 17:11:10,819 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:11:10,869 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 1 case distinctions, treesize of input 32 treesize of output 35 [2018-04-05 17:11:10,871 INFO L267 ElimStorePlain]: Start of recursive call 17: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-05 17:11:10,879 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:11:10,970 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 54 [2018-04-05 17:11:10,974 INFO L267 ElimStorePlain]: Start of recursive call 18: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2018-04-05 17:11:11,006 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:11:11,126 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 38 [2018-04-05 17:11:11,163 INFO L267 ElimStorePlain]: Start of recursive call 19: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-05 17:11:11,190 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:11:11,278 INFO L303 Elim1Store]: Index analysis took 113 ms [2018-04-05 17:11:11,440 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 42 treesize of output 51 [2018-04-05 17:11:11,443 INFO L267 ElimStorePlain]: Start of recursive call 20: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2018-04-05 17:11:11,463 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:11:11,465 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2018-04-05 17:11:11,466 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 17:11:11,476 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:11:11,483 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 29 [2018-04-05 17:11:11,484 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 17:11:11,920 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: 10 dim-0 vars, and 8 xjuncts. [2018-04-05 17:11:12,069 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:11:12,089 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 76 [2018-04-05 17:11:12,202 WARN L151 SmtUtils]: Spent 108ms on a formula simplification. DAG size of input: 107 DAG size of output 61 [2018-04-05 17:11:12,204 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:11:12,206 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 34 [2018-04-05 17:11:12,207 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 17:11:12,253 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:11:12,260 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 38 [2018-04-05 17:11:12,262 INFO L267 ElimStorePlain]: Start of recursive call 25: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-05 17:11:12,274 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:11:12,321 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 1 case distinctions, treesize of input 32 treesize of output 35 [2018-04-05 17:11:12,323 INFO L267 ElimStorePlain]: Start of recursive call 26: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-05 17:11:12,331 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:11:12,372 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 43 [2018-04-05 17:11:12,373 INFO L267 ElimStorePlain]: Start of recursive call 27: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2018-04-05 17:11:12,472 INFO L267 ElimStorePlain]: Start of recursive call 23: 2 dim-0 vars, 3 dim-1 vars, End of recursive call: 9 dim-0 vars, and 7 xjuncts. [2018-04-05 17:11:12,618 INFO L267 ElimStorePlain]: Start of recursive call 13: 3 dim-1 vars, End of recursive call: 31 dim-0 vars, and 13 xjuncts. [2018-04-05 17:11:12,882 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 66 dim-0 vars, and 21 xjuncts. [2018-04-05 17:11:12,883 INFO L202 ElimStorePlain]: Needed 27 recursive calls to eliminate 2 variables, input treesize:58, output treesize:807 [2018-04-05 17:11:13,194 WARN L151 SmtUtils]: Spent 145ms on a formula simplification. DAG size of input: 337 DAG size of output 48 [2018-04-05 17:11:13,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:11:13,249 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 17:11:13,249 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [15, 14] imperfect sequences [] total 28 [2018-04-05 17:11:13,250 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-05 17:11:13,250 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-05 17:11:13,250 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=729, Unknown=0, NotChecked=0, Total=812 [2018-04-05 17:11:13,250 INFO L87 Difference]: Start difference. First operand 38 states and 38 transitions. Second operand 29 states. [2018-04-05 17:11:13,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 17:11:13,773 INFO L93 Difference]: Finished difference Result 47 states and 46 transitions. [2018-04-05 17:11:13,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-05 17:11:13,773 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 27 [2018-04-05 17:11:13,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 17:11:13,774 INFO L225 Difference]: With dead ends: 47 [2018-04-05 17:11:13,774 INFO L226 Difference]: Without dead ends: 37 [2018-04-05 17:11:13,775 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=160, Invalid=1172, Unknown=0, NotChecked=0, Total=1332 [2018-04-05 17:11:13,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-04-05 17:11:13,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-04-05 17:11:13,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-04-05 17:11:13,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 36 transitions. [2018-04-05 17:11:13,780 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 36 transitions. Word has length 27 [2018-04-05 17:11:13,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 17:11:13,780 INFO L459 AbstractCegarLoop]: Abstraction has 37 states and 36 transitions. [2018-04-05 17:11:13,780 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-05 17:11:13,781 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 36 transitions. [2018-04-05 17:11:13,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-04-05 17:11:13,781 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 17:11:13,782 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 17:11:13,782 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr1AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr2AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr3AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_dataErr0AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-05 17:11:13,782 INFO L82 PathProgramCache]: Analyzing trace with hash -1024367498, 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 [2018-04-05 17:11:13,791 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 17:11:13,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 17:11:13,824 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 17:11:13,888 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-05 17:11:13,890 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-05 17:11:13,890 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:11:13,892 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:11:13,900 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:11:13,900 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:29 [2018-04-05 17:11:13,941 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 39 [2018-04-05 17:11:13,945 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:11:13,946 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:11:13,946 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 58 [2018-04-05 17:11:13,947 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:11:13,955 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:11:13,963 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:11:13,963 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:51, output treesize:50 [2018-04-05 17:11:14,032 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 66 treesize of output 52 [2018-04-05 17:11:14,034 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:11:14,035 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2018-04-05 17:11:14,035 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:11:14,044 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:11:14,061 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:11:14,062 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:71, output treesize:37 [2018-04-05 17:11:14,432 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~mem3.base| Int) (|main_#t~mem2.base| Int) (|main_~#data~0.base| Int)) (let ((.cse1 (store |c_old(#valid)| |main_~#data~0.base| 1))) (let ((.cse0 (store .cse1 |main_#t~mem2.base| 1))) (and (= 0 (select .cse0 |main_#t~mem3.base|)) (= 0 (select .cse1 |main_#t~mem2.base|)) (= |c_#valid| (store (store (store (store .cse0 |main_#t~mem3.base| 1) |main_#t~mem2.base| 0) |main_#t~mem3.base| 0) |main_~#data~0.base| 0)) (= (select |c_old(#valid)| |main_~#data~0.base|) 0))))) is different from true [2018-04-05 17:11:14,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:11:14,453 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 17:11:14,968 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_~#data~0.base_BEFORE_CALL_9| Int)) (= (store (store (store |c_old(#valid)| |c___U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base| 0) |c___U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base| 0) |v_main_~#data~0.base_BEFORE_CALL_9| 0) (store |c_#valid| |v_main_~#data~0.base_BEFORE_CALL_9| 0))) is different from false [2018-04-05 17:11:14,975 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_~#data~0.base_BEFORE_CALL_9| Int)) (= (store (store |c_#valid| c___U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_~hi~0.base 0) |v_main_~#data~0.base_BEFORE_CALL_9| 0) (store (store (store |c_old(#valid)| |c___U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base| 0) |c___U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base| 0) |v_main_~#data~0.base_BEFORE_CALL_9| 0))) is different from false [2018-04-05 17:11:14,982 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_~#data~0.base_BEFORE_CALL_9| Int)) (= (store (store (store |c_old(#valid)| |c___U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base| 0) |c___U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base| 0) |v_main_~#data~0.base_BEFORE_CALL_9| 0) (store (store (store |c_#valid| c___U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_~lo~0.base 0) c___U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_~hi~0.base 0) |v_main_~#data~0.base_BEFORE_CALL_9| 0))) is different from false [2018-04-05 17:11:14,997 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_~#data~0.base_BEFORE_CALL_9| Int)) (= (store (store (store |c_#valid| c___U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_~lo~0.base 0) c___U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_~data.hi.base 0) |v_main_~#data~0.base_BEFORE_CALL_9| 0) (store (store (store |c_old(#valid)| |c___U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base| 0) |c___U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base| 0) |v_main_~#data~0.base_BEFORE_CALL_9| 0))) is different from false [2018-04-05 17:11:15,001 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_~#data~0.base_BEFORE_CALL_9| Int)) (= (store (store (store |c_old(#valid)| |c___U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base| 0) |c___U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base| 0) |v_main_~#data~0.base_BEFORE_CALL_9| 0) (store (store (store |c_#valid| c___U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_~data.lo.base 0) c___U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_~data.hi.base 0) |v_main_~#data~0.base_BEFORE_CALL_9| 0))) is different from false [2018-04-05 17:11:15,013 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_~#data~0.base_BEFORE_CALL_9| Int)) (= (store (store (store |c_old(#valid)| |c___U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base| 0) |c___U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base| 0) |v_main_~#data~0.base_BEFORE_CALL_9| 0) (store (store (store |c_#valid| |c___U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.lo.base| 0) |c___U_MULTI_ftest______true_valid_memsafety_true_termination_i__free_data_#in~data.hi.base| 0) |v_main_~#data~0.base_BEFORE_CALL_9| 0))) is different from false [2018-04-05 17:11:15,729 WARN L148 SmtUtils]: Spent 106ms on a formula simplification that was a NOOP. DAG size: 36 [2018-04-05 17:11:15,740 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 28 [2018-04-05 17:11:15,744 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 32 [2018-04-05 17:11:15,777 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2018-04-05 17:11:15,778 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-05 17:11:15,789 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:11:15,794 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:11:15,825 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-05 17:11:15,825 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:49, output treesize:37 [2018-04-05 17:11:15,947 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: |v_old(#valid)_BEFORE_CALL_4| term size 36 at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:270) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:243) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:445) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:421) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:328) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:237) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:185) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedRefinementStrategy.getTraceCheck(FixedRefinementStrategy.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:408) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:417) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:363) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-04-05 17:11:15,951 INFO L168 Benchmark]: Toolchain (without parser) took 21504.20 ms. Allocated memory was 307.8 MB in the beginning and 574.1 MB in the end (delta: 266.3 MB). Free memory was 244.9 MB in the beginning and 470.9 MB in the end (delta: -226.0 MB). Peak memory consumption was 40.3 MB. Max. memory is 5.3 GB. [2018-04-05 17:11:15,952 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 307.8 MB. Free memory is still 268.9 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-05 17:11:15,952 INFO L168 Benchmark]: CACSL2BoogieTranslator took 406.57 ms. Allocated memory is still 307.8 MB. Free memory was 244.9 MB in the beginning and 220.9 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. [2018-04-05 17:11:15,953 INFO L168 Benchmark]: Boogie Preprocessor took 52.57 ms. Allocated memory is still 307.8 MB. Free memory was 220.9 MB in the beginning and 218.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-04-05 17:11:15,953 INFO L168 Benchmark]: RCFGBuilder took 606.96 ms. Allocated memory was 307.8 MB in the beginning and 475.0 MB in the end (delta: 167.2 MB). Free memory was 216.9 MB in the beginning and 414.7 MB in the end (delta: -197.9 MB). Peak memory consumption was 22.6 MB. Max. memory is 5.3 GB. [2018-04-05 17:11:15,954 INFO L168 Benchmark]: TraceAbstraction took 20433.83 ms. Allocated memory was 475.0 MB in the beginning and 574.1 MB in the end (delta: 99.1 MB). Free memory was 412.7 MB in the beginning and 470.9 MB in the end (delta: -58.2 MB). Peak memory consumption was 40.9 MB. Max. memory is 5.3 GB. [2018-04-05 17:11:15,956 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 307.8 MB. Free memory is still 268.9 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 406.57 ms. Allocated memory is still 307.8 MB. Free memory was 244.9 MB in the beginning and 220.9 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 52.57 ms. Allocated memory is still 307.8 MB. Free memory was 220.9 MB in the beginning and 218.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 606.96 ms. Allocated memory was 307.8 MB in the beginning and 475.0 MB in the end (delta: 167.2 MB). Free memory was 216.9 MB in the beginning and 414.7 MB in the end (delta: -197.9 MB). Peak memory consumption was 22.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 20433.83 ms. Allocated memory was 475.0 MB in the beginning and 574.1 MB in the end (delta: 99.1 MB). Free memory was 412.7 MB in the beginning and 470.9 MB in the end (delta: -58.2 MB). Peak memory consumption was 40.9 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: |v_old(#valid)_BEFORE_CALL_4| term size 36 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: |v_old(#valid)_BEFORE_CALL_4| term size 36: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0019_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-05_17-11-15-965.csv Received shutdown request...