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/array-memsafety/openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-835382a-m [2018-04-05 15:54:05,605 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-05 15:54:05,608 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-05 15:54:05,680 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-05 15:54:05,689 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-05 15:54:05,690 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-05 15:54:05,692 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-05 15:54:05,698 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-05 15:54:05,701 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-05 15:54:05,701 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-05 15:54:05,702 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-05 15:54:05,716 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-05 15:54:05,717 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-05 15:54:05,719 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-05 15:54:05,720 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-05 15:54:05,725 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-05 15:54:05,744 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-05 15:54:05,746 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-05 15:54:05,764 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-05 15:54:05,766 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-05 15:54:05,779 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-05 15:54:05,813 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 15:54:05,881 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-05 15:54:05,882 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-05 15:54:05,882 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-05 15:54:05,882 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-05 15:54:05,883 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-05 15:54:05,883 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-05 15:54:05,890 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-05 15:54:05,890 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-05 15:54:05,891 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-05 15:54:05,891 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-05 15:54:05,891 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-05 15:54:05,892 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-05 15:54:05,892 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-05 15:54:05,892 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-05 15:54:05,892 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-05 15:54:05,892 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-05 15:54:05,893 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-05 15:54:05,893 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-05 15:54:05,893 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-05 15:54:05,893 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-05 15:54:05,893 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-05 15:54:05,894 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-05 15:54:05,895 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-05 15:54:05,895 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-05 15:54:05,895 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-05 15:54:05,895 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-05 15:54:05,901 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-05 15:54:05,901 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-05 15:54:05,902 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-05 15:54:05,902 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-05 15:54:05,902 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-05 15:54:05,902 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:54:05,902 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-05 15:54:05,903 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-05 15:54:05,904 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-05 15:54:05,904 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-05 15:54:05,904 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-05 15:54:06,012 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-05 15:54:06,043 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-05 15:54:06,055 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-05 15:54:06,063 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-05 15:54:06,064 INFO L276 PluginConnector]: CDTParser initialized [2018-04-05 15:54:06,065 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:06,801 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG54743e42d [2018-04-05 15:54:07,336 INFO L287 CDTParser]: IsIndexed: true [2018-04-05 15:54:07,336 INFO L288 CDTParser]: Found 1 translation units. [2018-04-05 15:54:07,337 INFO L168 CDTParser]: Scanning openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,395 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-05 15:54:07,395 INFO L215 ultiparseSymbolTable]: [2018-04-05 15:54:07,395 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-05 15:54:07,396 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero ('cbzero') in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,396 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,396 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,397 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,397 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-05 15:54:07,397 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,397 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,397 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,397 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__sigset_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,397 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__ulong in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,398 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__u_char in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,398 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__u_int32_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,398 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__u_quad_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,398 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,398 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__clock_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,398 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____caddr_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,398 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__int16_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,399 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____fsid_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,399 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,399 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__blksize_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,399 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__lldiv_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,399 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__uid_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,399 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,399 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____ino64_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,399 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,400 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____ino_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,400 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__div_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,400 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____u_long in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,400 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____int16_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,400 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____uint32_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,400 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__fsid_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,400 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__caddr_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,400 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,401 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____clock_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,401 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,401 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__mode_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,401 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____daddr_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,401 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____sigset_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,401 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____uint8_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,401 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____loff_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,401 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__time_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,402 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__ushort in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,402 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,402 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____key_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,402 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__suseconds_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,402 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____u_short in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,402 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__u_long in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,402 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____useconds_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,403 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__fd_set in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,403 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,403 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____qaddr_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,403 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____dev_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,403 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____blksize_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,403 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____uint16_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,403 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____int64_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,403 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__u_int64_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,403 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__loff_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,404 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__daddr_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,404 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____time_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,404 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__int8_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,404 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,404 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,404 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____rlim64_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,404 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__int64_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,404 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,405 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__timer_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,405 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__register_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,405 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,405 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____nlink_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,405 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__u_short in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,405 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____int8_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,405 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,405 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__ldiv_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,406 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____uid_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,406 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__ssize_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,406 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__gid_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,406 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__ino_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,406 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,406 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__int32_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,406 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,406 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____fsword_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,407 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pid_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,407 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,407 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____uint64_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,407 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__nlink_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,407 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____socklen_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,407 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____mode_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,407 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__uint in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,407 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____u_int in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,408 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,408 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__off_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,408 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__id_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,408 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__size_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,408 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____intptr_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,408 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__dev_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,408 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__quad_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,408 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__u_int16_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,409 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____int32_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,409 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__u_int in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,409 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,409 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____suseconds_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,409 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__key_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,409 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____clockid_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,409 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__clockid_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,409 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,410 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____u_quad_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,410 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__fd_mask in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,410 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__wchar_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,410 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____rlim_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,410 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____off_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,410 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____quad_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,410 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,410 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____gid_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,411 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____id_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,411 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____ssize_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,411 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____fd_mask in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,411 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,411 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____off64_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,411 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,411 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____u_char in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,411 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,412 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____pid_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,412 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__u_int8_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,412 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____timer_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,412 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:07,480 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG54743e42d [2018-04-05 15:54:07,497 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-05 15:54:07,506 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-05 15:54:07,508 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-05 15:54:07,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-05 15:54:07,530 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-05 15:54:07,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 03:54:07" (1/1) ... [2018-04-05 15:54:07,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@101547fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:54:07, skipping insertion in model container [2018-04-05 15:54:07,540 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 03:54:07" (1/1) ... [2018-04-05 15:54:07,571 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-05 15:54:07,677 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-05 15:54:08,074 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-05 15:54:08,249 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-05 15:54:08,261 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-05 15:54:08,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:54:08 WrapperNode [2018-04-05 15:54:08,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-05 15:54:08,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-05 15:54:08,327 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-05 15:54:08,327 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-05 15:54:08,354 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:54:08" (1/1) ... [2018-04-05 15:54:08,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:54:08" (1/1) ... [2018-04-05 15:54:08,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:54:08" (1/1) ... [2018-04-05 15:54:08,402 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:54:08" (1/1) ... [2018-04-05 15:54:08,425 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:54:08" (1/1) ... [2018-04-05 15:54:08,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:54:08" (1/1) ... [2018-04-05 15:54:08,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:54:08" (1/1) ... [2018-04-05 15:54:08,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-05 15:54:08,461 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-05 15:54:08,461 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-05 15:54:08,461 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-05 15:54:08,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:54:08" (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 15:54:08,829 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-05 15:54:08,835 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-05 15:54:08,835 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-05 15:54:08,835 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-05 15:54:08,836 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero [2018-04-05 15:54:08,836 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-05 15:54:08,836 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-05 15:54:08,836 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-05 15:54:08,836 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-05 15:54:08,836 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-05 15:54:08,836 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-05 15:54:08,837 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-05 15:54:08,837 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-05 15:54:08,837 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-05 15:54:08,837 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-05 15:54:08,837 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-05 15:54:08,837 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-05 15:54:08,851 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-05 15:54:08,851 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-05 15:54:08,851 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-05 15:54:08,851 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-05 15:54:08,851 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-05 15:54:08,852 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-05 15:54:08,852 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-05 15:54:08,852 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-05 15:54:08,852 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-05 15:54:08,852 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-05 15:54:08,852 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-05 15:54:08,852 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-05 15:54:08,853 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-05 15:54:08,853 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-05 15:54:08,853 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-05 15:54:08,853 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-05 15:54:08,853 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-05 15:54:08,853 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-05 15:54:08,877 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-05 15:54:08,877 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-05 15:54:08,877 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-05 15:54:08,877 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-05 15:54:08,878 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-05 15:54:08,878 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-05 15:54:08,878 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-05 15:54:08,878 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-05 15:54:08,878 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-05 15:54:08,878 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-05 15:54:08,878 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-05 15:54:08,879 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-05 15:54:08,879 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-05 15:54:08,879 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-05 15:54:08,879 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-05 15:54:08,879 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-05 15:54:08,879 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-05 15:54:08,879 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-05 15:54:08,880 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-05 15:54:08,880 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-05 15:54:08,880 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-05 15:54:08,880 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-05 15:54:08,880 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-05 15:54:08,880 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-05 15:54:08,880 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-05 15:54:08,881 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-05 15:54:08,890 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-05 15:54:08,890 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-05 15:54:08,890 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-05 15:54:08,890 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-05 15:54:08,891 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-05 15:54:08,891 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-05 15:54:08,891 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-05 15:54:08,891 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-05 15:54:08,891 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-05 15:54:08,891 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-05 15:54:08,891 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-05 15:54:08,891 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-05 15:54:08,892 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-05 15:54:08,892 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-05 15:54:08,892 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-05 15:54:08,892 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-05 15:54:08,892 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-05 15:54:08,892 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-05 15:54:08,892 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-05 15:54:08,893 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-05 15:54:08,893 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-05 15:54:08,893 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-05 15:54:08,893 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-05 15:54:08,893 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-05 15:54:08,893 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-05 15:54:08,893 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-05 15:54:08,894 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-05 15:54:08,905 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-05 15:54:08,905 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-05 15:54:08,905 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-05 15:54:08,905 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-05 15:54:08,905 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-05 15:54:08,906 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-05 15:54:08,906 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-05 15:54:08,906 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-05 15:54:08,906 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-05 15:54:08,906 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-05 15:54:08,906 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-05 15:54:08,906 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-05 15:54:08,906 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-05 15:54:08,907 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-05 15:54:08,907 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-05 15:54:08,907 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-05 15:54:08,907 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-05 15:54:08,907 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-05 15:54:08,907 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-05 15:54:08,907 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-05 15:54:08,907 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-05 15:54:08,908 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero [2018-04-05 15:54:08,911 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-05 15:54:08,911 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-05 15:54:08,912 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-05 15:54:08,912 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-05 15:54:08,912 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-05 15:54:08,912 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-05 15:54:08,912 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-05 15:54:08,912 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-05 15:54:09,845 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-05 15:54:09,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 03:54:09 BoogieIcfgContainer [2018-04-05 15:54:09,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-05 15:54:09,848 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-05 15:54:09,848 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-05 15:54:09,862 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-05 15:54:09,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 03:54:07" (1/3) ... [2018-04-05 15:54:09,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32cebe08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 03:54:09, skipping insertion in model container [2018-04-05 15:54:09,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:54:08" (2/3) ... [2018-04-05 15:54:09,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32cebe08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 03:54:09, skipping insertion in model container [2018-04-05 15:54:09,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 03:54:09" (3/3) ... [2018-04-05 15:54:09,874 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-04-05 15:54:09,895 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-05 15:54:09,912 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-04-05 15:54:10,021 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-05 15:54:10,022 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-05 15:54:10,022 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-05 15:54:10,022 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-05 15:54:10,022 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-05 15:54:10,023 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-05 15:54:10,023 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-05 15:54:10,023 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-05 15:54:10,023 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-05 15:54:10,031 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-05 15:54:10,066 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2018-04-05 15:54:10,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-04-05 15:54:10,081 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:54:10,082 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:54:10,082 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr0RequiresViolation, __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr1RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-05 15:54:10,096 INFO L82 PathProgramCache]: Analyzing trace with hash -1086325694, 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 15:54:10,134 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:54:10,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:54:10,264 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:54:10,331 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 15:54:10,331 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:54:10,357 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 15:54:10,418 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:54:10,419 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2018-04-05 15:54:10,421 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-05 15:54:10,455 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-05 15:54:10,456 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-05 15:54:10,463 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 3 states. [2018-04-05 15:54:10,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:54:10,673 INFO L93 Difference]: Finished difference Result 58 states and 62 transitions. [2018-04-05 15:54:10,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-05 15:54:10,676 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-04-05 15:54:10,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:54:10,696 INFO L225 Difference]: With dead ends: 58 [2018-04-05 15:54:10,696 INFO L226 Difference]: Without dead ends: 43 [2018-04-05 15:54:10,705 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-05 15:54:10,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-04-05 15:54:10,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-04-05 15:54:10,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-04-05 15:54:10,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2018-04-05 15:54:10,754 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 17 [2018-04-05 15:54:10,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:54:10,755 INFO L459 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2018-04-05 15:54:10,755 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-05 15:54:10,755 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2018-04-05 15:54:10,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-05 15:54:10,756 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:54:10,757 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] [2018-04-05 15:54:10,757 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr0RequiresViolation, __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr1RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-05 15:54:10,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1335632741, 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 15:54:10,799 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:54:10,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:54:10,930 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:54:11,038 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 15:54:11,040 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:54:11,057 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:54:11,057 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-05 15:54:11,333 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 15:54:11,334 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:54:11,382 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 15:54:11,419 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:54:11,420 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2018-04-05 15:54:11,422 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-05 15:54:11,422 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-05 15:54:11,425 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-04-05 15:54:11,425 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand 8 states. [2018-04-05 15:54:12,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:54:12,406 INFO L93 Difference]: Finished difference Result 43 states and 45 transitions. [2018-04-05 15:54:12,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-05 15:54:12,407 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 30 [2018-04-05 15:54:12,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:54:12,408 INFO L225 Difference]: With dead ends: 43 [2018-04-05 15:54:12,409 INFO L226 Difference]: Without dead ends: 42 [2018-04-05 15:54:12,416 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2018-04-05 15:54:12,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-04-05 15:54:12,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-04-05 15:54:12,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-04-05 15:54:12,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2018-04-05 15:54:12,454 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 30 [2018-04-05 15:54:12,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:54:12,460 INFO L459 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2018-04-05 15:54:12,460 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-05 15:54:12,461 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2018-04-05 15:54:12,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-05 15:54:12,462 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:54:12,462 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] [2018-04-05 15:54:12,462 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr0RequiresViolation, __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr1RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-05 15:54:12,462 INFO L82 PathProgramCache]: Analyzing trace with hash -1335632740, 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 15:54:12,501 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:54:12,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:54:12,633 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:54:12,810 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 15:54:12,811 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:54:13,034 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:54:13,035 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:13, output treesize:9 [2018-04-05 15:54:13,276 WARN L148 SmtUtils]: Spent 153ms on a formula simplification that was a NOOP. DAG size: 9 [2018-04-05 15:54:13,600 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 15:54:13,600 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:54:14,504 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 15:54:14,581 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:54:14,582 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2018-04-05 15:54:14,582 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-05 15:54:14,582 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-05 15:54:14,583 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-04-05 15:54:14,583 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand 15 states. [2018-04-05 15:54:15,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:54:15,748 INFO L93 Difference]: Finished difference Result 55 states and 58 transitions. [2018-04-05 15:54:15,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-05 15:54:15,749 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 30 [2018-04-05 15:54:15,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:54:15,759 INFO L225 Difference]: With dead ends: 55 [2018-04-05 15:54:15,759 INFO L226 Difference]: Without dead ends: 54 [2018-04-05 15:54:15,760 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2018-04-05 15:54:15,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-04-05 15:54:15,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 50. [2018-04-05 15:54:15,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-05 15:54:15,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 53 transitions. [2018-04-05 15:54:15,778 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 53 transitions. Word has length 30 [2018-04-05 15:54:15,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:54:15,781 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 53 transitions. [2018-04-05 15:54:15,781 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-05 15:54:15,781 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 53 transitions. [2018-04-05 15:54:15,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-05 15:54:15,782 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:54:15,783 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:54:15,783 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr0RequiresViolation, __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr1RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-05 15:54:15,783 INFO L82 PathProgramCache]: Analyzing trace with hash -221577364, 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 15:54:15,805 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:54:15,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:54:15,855 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:54:15,927 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 15:54:15,928 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2018-04-05 15:54:15,929 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:54:15,935 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 15:54:15,935 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-04-05 15:54:16,034 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc6.base| Int)) (and (= 0 (select |c_old(#valid)| |main_#t~malloc6.base|)) (= |c_#valid| (store |c_old(#valid)| |main_#t~malloc6.base| 0)))) is different from true [2018-04-05 15:54:16,044 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 15:54:16,045 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:54:16,130 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc6.base_8| Int)) (or (= (store |c_#valid| |v_main_#t~malloc6.base_8| 0) |c_old(#valid)|) (not (= 0 (select |c_#valid| |v_main_#t~malloc6.base_8|))))) is different from false [2018-04-05 15:54:16,229 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 15:54:16,309 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:54:16,310 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 7 [2018-04-05 15:54:16,310 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-05 15:54:16,310 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-05 15:54:16,311 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=21, Unknown=2, NotChecked=18, Total=56 [2018-04-05 15:54:16,311 INFO L87 Difference]: Start difference. First operand 50 states and 53 transitions. Second operand 8 states. [2018-04-05 15:54:16,360 WARN L1011 $PredicateComparison]: unable to prove that (and (forall ((|v_main_#t~malloc6.base_8| Int)) (or (= (store |c_#valid| |v_main_#t~malloc6.base_8| 0) |c_old(#valid)|) (not (= 0 (select |c_#valid| |v_main_#t~malloc6.base_8|))))) (= |c_#valid| |c_old(#valid)|)) is different from false [2018-04-05 15:54:16,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:54:16,748 INFO L93 Difference]: Finished difference Result 60 states and 64 transitions. [2018-04-05 15:54:16,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-05 15:54:16,749 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2018-04-05 15:54:16,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:54:16,751 INFO L225 Difference]: With dead ends: 60 [2018-04-05 15:54:16,752 INFO L226 Difference]: Without dead ends: 55 [2018-04-05 15:54:16,752 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=52, Unknown=3, NotChecked=48, Total=132 [2018-04-05 15:54:16,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-04-05 15:54:16,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-04-05 15:54:16,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-04-05 15:54:16,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 59 transitions. [2018-04-05 15:54:16,765 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 59 transitions. Word has length 33 [2018-04-05 15:54:16,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:54:16,766 INFO L459 AbstractCegarLoop]: Abstraction has 55 states and 59 transitions. [2018-04-05 15:54:16,766 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-05 15:54:16,766 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 59 transitions. [2018-04-05 15:54:16,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-04-05 15:54:16,767 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:54:16,767 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:54:16,768 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr0RequiresViolation, __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr1RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-05 15:54:16,768 INFO L82 PathProgramCache]: Analyzing trace with hash 1614557617, 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 15:54:16,788 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:54:16,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:54:16,810 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:54:16,876 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 15:54:16,877 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2018-04-05 15:54:16,877 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:54:16,902 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 15:54:16,903 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-04-05 15:54:16,961 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc6.base| Int)) (and (= 0 (select |c_old(#valid)| |main_#t~malloc6.base|)) (= |c_#valid| (store |c_old(#valid)| |main_#t~malloc6.base| 0)))) is different from true [2018-04-05 15:54:16,966 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 15:54:16,966 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:54:17,032 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc6.base_10| Int)) (or (not (= (select |c_#valid| |v_main_#t~malloc6.base_10|) 0)) (= |c_old(#valid)| (store |c_#valid| |v_main_#t~malloc6.base_10| 0)))) is different from false [2018-04-05 15:54:17,074 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 15:54:17,111 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:54:17,112 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 7 [2018-04-05 15:54:17,112 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-05 15:54:17,113 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-05 15:54:17,113 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=21, Unknown=2, NotChecked=18, Total=56 [2018-04-05 15:54:17,113 INFO L87 Difference]: Start difference. First operand 55 states and 59 transitions. Second operand 8 states. [2018-04-05 15:54:17,143 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc6.base_10| Int)) (or (not (= (select |c_#valid| |v_main_#t~malloc6.base_10|) 0)) (= |c_old(#valid)| (store |c_#valid| |v_main_#t~malloc6.base_10| 0))))) is different from false [2018-04-05 15:54:17,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:54:17,560 INFO L93 Difference]: Finished difference Result 64 states and 68 transitions. [2018-04-05 15:54:17,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-05 15:54:17,561 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2018-04-05 15:54:17,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:54:17,562 INFO L225 Difference]: With dead ends: 64 [2018-04-05 15:54:17,562 INFO L226 Difference]: Without dead ends: 59 [2018-04-05 15:54:17,563 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 61 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=52, Unknown=3, NotChecked=48, Total=132 [2018-04-05 15:54:17,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-04-05 15:54:17,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 54. [2018-04-05 15:54:17,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-04-05 15:54:17,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 57 transitions. [2018-04-05 15:54:17,587 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 57 transitions. Word has length 34 [2018-04-05 15:54:17,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:54:17,587 INFO L459 AbstractCegarLoop]: Abstraction has 54 states and 57 transitions. [2018-04-05 15:54:17,587 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-05 15:54:17,587 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 57 transitions. [2018-04-05 15:54:17,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-04-05 15:54:17,599 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:54:17,599 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:54:17,599 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr0RequiresViolation, __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr1RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-05 15:54:17,600 INFO L82 PathProgramCache]: Analyzing trace with hash 1881109974, 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 15:54:17,628 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:54:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:54:17,706 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:54:17,787 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 15:54:17,788 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2018-04-05 15:54:17,788 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:54:17,798 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 15:54:17,799 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-04-05 15:54:17,876 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc6.base| Int)) (and (= 0 (select |c_old(#valid)| |main_#t~malloc6.base|)) (= |c_#valid| (store |c_old(#valid)| |main_#t~malloc6.base| 0)))) is different from true [2018-04-05 15:54:17,880 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 15:54:17,880 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:54:17,929 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc6.base_12| Int)) (or (not (= (select |c_#valid| |v_main_#t~malloc6.base_12|) 0)) (= (store |c_#valid| |v_main_#t~malloc6.base_12| 0) |c_old(#valid)|))) is different from false [2018-04-05 15:54:17,976 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 15:54:18,053 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:54:18,054 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 7 [2018-04-05 15:54:18,054 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-05 15:54:18,054 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-05 15:54:18,055 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=21, Unknown=2, NotChecked=18, Total=56 [2018-04-05 15:54:18,055 INFO L87 Difference]: Start difference. First operand 54 states and 57 transitions. Second operand 8 states. [2018-04-05 15:54:18,089 WARN L1011 $PredicateComparison]: unable to prove that (and (forall ((|v_main_#t~malloc6.base_12| Int)) (or (not (= (select |c_#valid| |v_main_#t~malloc6.base_12|) 0)) (= (store |c_#valid| |v_main_#t~malloc6.base_12| 0) |c_old(#valid)|))) (= |c_#valid| |c_old(#valid)|)) is different from false [2018-04-05 15:54:18,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:54:18,530 INFO L93 Difference]: Finished difference Result 65 states and 69 transitions. [2018-04-05 15:54:18,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-05 15:54:18,531 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2018-04-05 15:54:18,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:54:18,532 INFO L225 Difference]: With dead ends: 65 [2018-04-05 15:54:18,532 INFO L226 Difference]: Without dead ends: 60 [2018-04-05 15:54:18,533 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 61 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=52, Unknown=3, NotChecked=48, Total=132 [2018-04-05 15:54:18,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-04-05 15:54:18,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 56. [2018-04-05 15:54:18,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-04-05 15:54:18,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 60 transitions. [2018-04-05 15:54:18,552 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 60 transitions. Word has length 34 [2018-04-05 15:54:18,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:54:18,558 INFO L459 AbstractCegarLoop]: Abstraction has 56 states and 60 transitions. [2018-04-05 15:54:18,558 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-05 15:54:18,559 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 60 transitions. [2018-04-05 15:54:18,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-04-05 15:54:18,560 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:54:18,560 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] [2018-04-05 15:54:18,560 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr0RequiresViolation, __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr1RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-05 15:54:18,561 INFO L82 PathProgramCache]: Analyzing trace with hash -1328247759, 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 15:54:18,582 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:54:18,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:54:18,630 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:54:18,712 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 15:54:18,713 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2018-04-05 15:54:18,713 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:54:18,721 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 15:54:18,722 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-04-05 15:54:18,828 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc6.base| Int)) (and (= 0 (select |c_old(#valid)| |main_#t~malloc6.base|)) (= |c_#valid| (store |c_old(#valid)| |main_#t~malloc6.base| 0)))) is different from true [2018-04-05 15:54:18,832 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 15:54:18,832 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:54:18,909 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc6.base_14| Int)) (or (= (store |c_#valid| |v_main_#t~malloc6.base_14| 0) |c_old(#valid)|) (not (= (select |c_#valid| |v_main_#t~malloc6.base_14|) 0)))) is different from false [2018-04-05 15:54:18,974 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 15:54:19,043 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:54:19,043 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 7 [2018-04-05 15:54:19,044 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-05 15:54:19,044 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-05 15:54:19,044 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=21, Unknown=2, NotChecked=18, Total=56 [2018-04-05 15:54:19,045 INFO L87 Difference]: Start difference. First operand 56 states and 60 transitions. Second operand 8 states. [2018-04-05 15:54:19,095 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc6.base_14| Int)) (or (= (store |c_#valid| |v_main_#t~malloc6.base_14| 0) |c_old(#valid)|) (not (= (select |c_#valid| |v_main_#t~malloc6.base_14|) 0))))) is different from false [2018-04-05 15:54:19,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:54:19,450 INFO L93 Difference]: Finished difference Result 56 states and 60 transitions. [2018-04-05 15:54:19,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-05 15:54:19,450 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2018-04-05 15:54:19,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:54:19,451 INFO L225 Difference]: With dead ends: 56 [2018-04-05 15:54:19,451 INFO L226 Difference]: Without dead ends: 48 [2018-04-05 15:54:19,452 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 63 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=52, Unknown=3, NotChecked=48, Total=132 [2018-04-05 15:54:19,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-04-05 15:54:19,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 42. [2018-04-05 15:54:19,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-04-05 15:54:19,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2018-04-05 15:54:19,491 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 35 [2018-04-05 15:54:19,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:54:19,491 INFO L459 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2018-04-05 15:54:19,491 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-05 15:54:19,492 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2018-04-05 15:54:19,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-04-05 15:54:19,493 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:54:19,493 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:54:19,493 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr0RequiresViolation, __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr1RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-05 15:54:19,493 INFO L82 PathProgramCache]: Analyzing trace with hash 940626699, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:54:19,518 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:54:19,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:54:19,571 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:54:19,640 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 15:54:19,641 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:54:19,684 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:54:19,684 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:12 [2018-04-05 15:54:21,034 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:54:21,074 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:54:24,615 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:54:24,650 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-05 15:54:24,650 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 33 [2018-04-05 15:54:24,651 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-05 15:54:24,652 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-05 15:54:24,652 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=1027, Unknown=0, NotChecked=0, Total=1122 [2018-04-05 15:54:24,653 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand 34 states. [2018-04-05 15:54:25,072 WARN L148 SmtUtils]: Spent 181ms on a formula simplification that was a NOOP. DAG size: 28 [2018-04-05 15:54:25,683 WARN L148 SmtUtils]: Spent 130ms on a formula simplification that was a NOOP. DAG size: 27 [2018-04-05 15:54:27,237 WARN L148 SmtUtils]: Spent 125ms on a formula simplification that was a NOOP. DAG size: 27 [2018-04-05 15:54:27,833 WARN L151 SmtUtils]: Spent 228ms on a formula simplification. DAG size of input: 38 DAG size of output 35 [2018-04-05 15:54:28,537 WARN L151 SmtUtils]: Spent 180ms on a formula simplification. DAG size of input: 34 DAG size of output 31 [2018-04-05 15:54:29,548 WARN L151 SmtUtils]: Spent 199ms on a formula simplification. DAG size of input: 39 DAG size of output 33 [2018-04-05 15:54:30,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:54:30,577 INFO L93 Difference]: Finished difference Result 55 states and 57 transitions. [2018-04-05 15:54:30,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-04-05 15:54:30,586 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 39 [2018-04-05 15:54:30,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:54:30,588 INFO L225 Difference]: With dead ends: 55 [2018-04-05 15:54:30,588 INFO L226 Difference]: Without dead ends: 54 [2018-04-05 15:54:30,589 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 433 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=332, Invalid=2638, Unknown=0, NotChecked=0, Total=2970 [2018-04-05 15:54:30,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-04-05 15:54:30,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 51. [2018-04-05 15:54:30,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-04-05 15:54:30,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 53 transitions. [2018-04-05 15:54:30,616 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 53 transitions. Word has length 39 [2018-04-05 15:54:30,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:54:30,617 INFO L459 AbstractCegarLoop]: Abstraction has 51 states and 53 transitions. [2018-04-05 15:54:30,617 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-05 15:54:30,617 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 53 transitions. [2018-04-05 15:54:30,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-04-05 15:54:30,618 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:54:30,619 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:54:30,619 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr0RequiresViolation, __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr1RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-05 15:54:30,619 INFO L82 PathProgramCache]: Analyzing trace with hash 275818876, now seen corresponding path program 2 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:54:30,637 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:54:30,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:54:30,687 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:54:30,757 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 15:54:30,757 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:54:30,791 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:54:30,791 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:12 [2018-04-05 15:54:33,071 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:54:33,111 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:54:34,976 WARN L148 SmtUtils]: Spent 100ms on a formula simplification that was a NOOP. DAG size: 20 [2018-04-05 15:54:35,810 WARN L148 SmtUtils]: Spent 100ms on a formula simplification that was a NOOP. DAG size: 21 [2018-04-05 15:54:36,270 WARN L148 SmtUtils]: Spent 123ms on a formula simplification that was a NOOP. DAG size: 23 [2018-04-05 15:54:36,664 WARN L151 SmtUtils]: Spent 112ms on a formula simplification. DAG size of input: 22 DAG size of output 18 [2018-04-05 15:54:38,331 WARN L148 SmtUtils]: Spent 100ms on a formula simplification that was a NOOP. DAG size: 20 [2018-04-05 15:54:40,026 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:54:40,082 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-05 15:54:40,082 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 43 [2018-04-05 15:54:40,083 INFO L442 AbstractCegarLoop]: Interpolant automaton has 44 states [2018-04-05 15:54:40,084 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2018-04-05 15:54:40,085 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=1753, Unknown=0, NotChecked=0, Total=1892 [2018-04-05 15:54:40,085 INFO L87 Difference]: Start difference. First operand 51 states and 53 transitions. Second operand 44 states. [2018-04-05 15:54:40,544 WARN L148 SmtUtils]: Spent 158ms on a formula simplification that was a NOOP. DAG size: 33 [2018-04-05 15:54:41,146 WARN L148 SmtUtils]: Spent 179ms on a formula simplification that was a NOOP. DAG size: 32 [2018-04-05 15:54:44,300 WARN L151 SmtUtils]: Spent 255ms on a formula simplification. DAG size of input: 44 DAG size of output 40 [2018-04-05 15:54:45,039 WARN L151 SmtUtils]: Spent 183ms on a formula simplification. DAG size of input: 43 DAG size of output 31 [2018-04-05 15:54:46,282 WARN L151 SmtUtils]: Spent 190ms on a formula simplification. DAG size of input: 48 DAG size of output 33 [2018-04-05 15:54:46,802 WARN L148 SmtUtils]: Spent 102ms on a formula simplification that was a NOOP. DAG size: 37 [2018-04-05 15:54:47,089 WARN L148 SmtUtils]: Spent 113ms on a formula simplification that was a NOOP. DAG size: 37 [2018-04-05 15:54:47,867 WARN L148 SmtUtils]: Spent 164ms on a formula simplification that was a NOOP. DAG size: 39 [2018-04-05 15:54:48,553 WARN L151 SmtUtils]: Spent 342ms on a formula simplification. DAG size of input: 42 DAG size of output 39 [2018-04-05 15:54:49,318 WARN L151 SmtUtils]: Spent 492ms on a formula simplification. DAG size of input: 56 DAG size of output 47 [2018-04-05 15:54:49,812 WARN L151 SmtUtils]: Spent 291ms on a formula simplification. DAG size of input: 45 DAG size of output 42 [2018-04-05 15:54:50,708 WARN L151 SmtUtils]: Spent 558ms on a formula simplification. DAG size of input: 59 DAG size of output 53 [2018-04-05 15:54:51,613 WARN L151 SmtUtils]: Spent 485ms on a formula simplification. DAG size of input: 53 DAG size of output 50 [2018-04-05 15:54:52,313 WARN L148 SmtUtils]: Spent 158ms on a formula simplification that was a NOOP. DAG size: 32 [2018-04-05 15:54:53,423 WARN L148 SmtUtils]: Spent 140ms on a formula simplification that was a NOOP. DAG size: 28 [2018-04-05 15:54:53,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:54:53,668 INFO L93 Difference]: Finished difference Result 72 states and 75 transitions. [2018-04-05 15:54:53,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-04-05 15:54:53,669 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 48 [2018-04-05 15:54:53,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:54:53,670 INFO L225 Difference]: With dead ends: 72 [2018-04-05 15:54:53,670 INFO L226 Difference]: Without dead ends: 71 [2018-04-05 15:54:53,672 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1008 ImplicationChecksByTransitivity, 19.7s TimeCoverageRelationStatistics Valid=612, Invalid=5240, Unknown=0, NotChecked=0, Total=5852 [2018-04-05 15:54:53,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-04-05 15:54:53,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 69. [2018-04-05 15:54:53,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-04-05 15:54:53,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 71 transitions. [2018-04-05 15:54:53,711 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 71 transitions. Word has length 48 [2018-04-05 15:54:53,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:54:53,711 INFO L459 AbstractCegarLoop]: Abstraction has 69 states and 71 transitions. [2018-04-05 15:54:53,711 INFO L460 AbstractCegarLoop]: Interpolant automaton has 44 states. [2018-04-05 15:54:53,711 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 71 transitions. [2018-04-05 15:54:53,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-05 15:54:53,715 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:54:53,715 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:54:53,716 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr0RequiresViolation, __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr1RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-05 15:54:53,716 INFO L82 PathProgramCache]: Analyzing trace with hash -1065877924, now seen corresponding path program 3 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:54:53,757 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:54:53,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:54:53,925 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:54:54,007 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 15:54:54,007 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:54:54,040 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:54:54,042 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:12 [2018-04-05 15:54:58,870 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:54:58,871 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:55:08,218 WARN L151 SmtUtils]: Spent 121ms on a formula simplification. DAG size of input: 30 DAG size of output 26 [2018-04-05 15:55:11,226 WARN L148 SmtUtils]: Spent 102ms on a formula simplification that was a NOOP. DAG size: 28 [2018-04-05 15:55:13,328 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:55:13,412 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-05 15:55:13,412 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 63 [2018-04-05 15:55:13,413 INFO L442 AbstractCegarLoop]: Interpolant automaton has 64 states [2018-04-05 15:55:13,413 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2018-04-05 15:55:13,414 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=277, Invalid=3755, Unknown=0, NotChecked=0, Total=4032 [2018-04-05 15:55:13,415 INFO L87 Difference]: Start difference. First operand 69 states and 71 transitions. Second operand 64 states. [2018-04-05 15:55:14,243 WARN L148 SmtUtils]: Spent 286ms on a formula simplification that was a NOOP. DAG size: 41 [2018-04-05 15:55:14,987 WARN L148 SmtUtils]: Spent 195ms on a formula simplification that was a NOOP. DAG size: 40 [2018-04-05 15:55:18,642 WARN L148 SmtUtils]: Spent 108ms on a formula simplification that was a NOOP. DAG size: 27 [2018-04-05 15:55:20,050 WARN L151 SmtUtils]: Spent 455ms on a formula simplification. DAG size of input: 53 DAG size of output 49 [2018-04-05 15:55:21,034 WARN L148 SmtUtils]: Spent 461ms on a formula simplification that was a NOOP. DAG size: 30 [2018-04-05 15:55:21,849 WARN L151 SmtUtils]: Spent 409ms on a formula simplification. DAG size of input: 63 DAG size of output 31 [2018-04-05 15:55:22,878 WARN L148 SmtUtils]: Spent 111ms on a formula simplification that was a NOOP. DAG size: 29 [2018-04-05 15:55:24,143 WARN L151 SmtUtils]: Spent 434ms on a formula simplification. DAG size of input: 57 DAG size of output 33 [2018-04-05 15:55:26,387 WARN L148 SmtUtils]: Spent 112ms on a formula simplification that was a NOOP. DAG size: 39 [2018-04-05 15:55:27,727 WARN L151 SmtUtils]: Spent 298ms on a formula simplification. DAG size of input: 66 DAG size of output 39 [2018-04-05 15:55:28,200 WARN L148 SmtUtils]: Spent 173ms on a formula simplification that was a NOOP. DAG size: 36 [2018-04-05 15:55:28,569 WARN L148 SmtUtils]: Spent 116ms on a formula simplification that was a NOOP. DAG size: 42 [2018-04-05 15:55:29,099 WARN L148 SmtUtils]: Spent 114ms on a formula simplification that was a NOOP. DAG size: 42 [2018-04-05 15:55:30,241 WARN L148 SmtUtils]: Spent 148ms on a formula simplification that was a NOOP. DAG size: 48 [2018-04-05 15:55:30,896 WARN L148 SmtUtils]: Spent 144ms on a formula simplification that was a NOOP. DAG size: 39 [2018-04-05 15:55:32,182 WARN L151 SmtUtils]: Spent 575ms on a formula simplification. DAG size of input: 74 DAG size of output 42 [2018-04-05 15:55:32,774 WARN L148 SmtUtils]: Spent 167ms on a formula simplification that was a NOOP. DAG size: 41 [2018-04-05 15:55:33,384 WARN L148 SmtUtils]: Spent 154ms on a formula simplification that was a NOOP. DAG size: 47 [2018-04-05 15:55:35,143 WARN L148 SmtUtils]: Spent 170ms on a formula simplification that was a NOOP. DAG size: 57 [2018-04-05 15:55:36,504 WARN L151 SmtUtils]: Spent 578ms on a formula simplification. DAG size of input: 70 DAG size of output 63 [2018-04-05 15:55:38,507 WARN L151 SmtUtils]: Spent 1034ms on a formula simplification. DAG size of input: 90 DAG size of output 77 [2018-04-05 15:55:39,503 WARN L151 SmtUtils]: Spent 569ms on a formula simplification. DAG size of input: 73 DAG size of output 66 [2018-04-05 15:55:43,336 WARN L151 SmtUtils]: Spent 3076ms on a formula simplification. DAG size of input: 97 DAG size of output 83 [2018-04-05 15:55:45,168 WARN L151 SmtUtils]: Spent 1135ms on a formula simplification. DAG size of input: 91 DAG size of output 80 [2018-04-05 15:55:46,627 WARN L151 SmtUtils]: Spent 384ms on a formula simplification. DAG size of input: 48 DAG size of output 44 [2018-04-05 15:55:47,739 WARN L148 SmtUtils]: Spent 370ms on a formula simplification that was a NOOP. DAG size: 60 [2018-04-05 15:55:48,682 WARN L148 SmtUtils]: Spent 437ms on a formula simplification that was a NOOP. DAG size: 56 [2018-04-05 15:55:49,855 WARN L151 SmtUtils]: Spent 646ms on a formula simplification. DAG size of input: 54 DAG size of output 50 [2018-04-05 15:55:50,433 WARN L151 SmtUtils]: Spent 250ms on a formula simplification. DAG size of input: 42 DAG size of output 38 [2018-04-05 15:55:51,974 WARN L151 SmtUtils]: Spent 1040ms on a formula simplification. DAG size of input: 58 DAG size of output 50 [2018-04-05 15:55:53,033 WARN L151 SmtUtils]: Spent 442ms on a formula simplification. DAG size of input: 55 DAG size of output 49 [2018-04-05 15:55:53,602 WARN L151 SmtUtils]: Spent 273ms on a formula simplification. DAG size of input: 38 DAG size of output 36 [2018-04-05 15:55:54,428 WARN L148 SmtUtils]: Spent 482ms on a formula simplification that was a NOOP. DAG size: 46 [2018-04-05 15:55:54,982 WARN L148 SmtUtils]: Spent 186ms on a formula simplification that was a NOOP. DAG size: 42 [2018-04-05 15:55:55,741 WARN L151 SmtUtils]: Spent 280ms on a formula simplification. DAG size of input: 40 DAG size of output 38 [2018-04-05 15:55:56,559 WARN L151 SmtUtils]: Spent 206ms on a formula simplification. DAG size of input: 32 DAG size of output 30 [2018-04-05 15:55:57,132 WARN L151 SmtUtils]: Spent 263ms on a formula simplification. DAG size of input: 43 DAG size of output 39 [2018-04-05 15:55:57,767 WARN L151 SmtUtils]: Spent 262ms on a formula simplification. DAG size of input: 40 DAG size of output 38 [2018-04-05 15:56:00,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:56:00,533 INFO L93 Difference]: Finished difference Result 108 states and 113 transitions. [2018-04-05 15:56:00,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2018-04-05 15:56:00,535 INFO L78 Accepts]: Start accepts. Automaton has 64 states. Word has length 66 [2018-04-05 15:56:00,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:56:00,537 INFO L225 Difference]: With dead ends: 108 [2018-04-05 15:56:00,537 INFO L226 Difference]: Without dead ends: 107 [2018-04-05 15:56:00,544 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3221 ImplicationChecksByTransitivity, 57.2s TimeCoverageRelationStatistics Valid=1579, Invalid=13921, Unknown=0, NotChecked=0, Total=15500 [2018-04-05 15:56:00,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-04-05 15:56:00,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 105. [2018-04-05 15:56:00,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-04-05 15:56:00,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 107 transitions. [2018-04-05 15:56:00,615 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 107 transitions. Word has length 66 [2018-04-05 15:56:00,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:56:00,615 INFO L459 AbstractCegarLoop]: Abstraction has 105 states and 107 transitions. [2018-04-05 15:56:00,615 INFO L460 AbstractCegarLoop]: Interpolant automaton has 64 states. [2018-04-05 15:56:00,616 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 107 transitions. [2018-04-05 15:56:00,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-04-05 15:56:00,618 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:56:00,627 INFO L355 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 8, 8, 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 15:56:00,628 INFO L408 AbstractCegarLoop]: === Iteration 11 === [__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr0RequiresViolation, __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr1RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-05 15:56:00,628 INFO L82 PathProgramCache]: Analyzing trace with hash -1230094308, now seen corresponding path program 4 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:56:00,655 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:56:00,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:56:00,846 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:56:00,935 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 15:56:00,935 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:56:00,997 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:56:00,998 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:12 [2018-04-05 15:56:03,358 WARN L148 SmtUtils]: Spent 300ms on a formula simplification that was a NOOP. DAG size: 22 [2018-04-05 15:56:07,262 WARN L148 SmtUtils]: Spent 109ms on a formula simplification that was a NOOP. DAG size: 34 [2018-04-05 15:56:08,123 WARN L148 SmtUtils]: Spent 104ms on a formula simplification that was a NOOP. DAG size: 39 [2018-04-05 15:56:08,584 WARN L148 SmtUtils]: Spent 120ms on a formula simplification that was a NOOP. DAG size: 39 [2018-04-05 15:56:09,012 WARN L148 SmtUtils]: Spent 109ms on a formula simplification that was a NOOP. DAG size: 39 [2018-04-05 15:56:09,965 WARN L148 SmtUtils]: Spent 103ms on a formula simplification that was a NOOP. DAG size: 42 [2018-04-05 15:56:10,466 WARN L148 SmtUtils]: Spent 124ms on a formula simplification that was a NOOP. DAG size: 44 [2018-04-05 15:56:11,019 WARN L148 SmtUtils]: Spent 116ms on a formula simplification that was a NOOP. DAG size: 44 [2018-04-05 15:56:11,491 WARN L148 SmtUtils]: Spent 108ms on a formula simplification that was a NOOP. DAG size: 44 [2018-04-05 15:56:12,683 WARN L148 SmtUtils]: Spent 148ms on a formula simplification that was a NOOP. DAG size: 47 [2018-04-05 15:56:13,351 WARN L148 SmtUtils]: Spent 110ms on a formula simplification that was a NOOP. DAG size: 49 [2018-04-05 15:56:14,566 WARN L148 SmtUtils]: Spent 142ms on a formula simplification that was a NOOP. DAG size: 49 [2018-04-05 15:56:15,160 WARN L148 SmtUtils]: Spent 148ms on a formula simplification that was a NOOP. DAG size: 49 [2018-04-05 15:56:16,799 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 316 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:56:16,801 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:56:27,881 WARN L148 SmtUtils]: Spent 102ms on a formula simplification that was a NOOP. DAG size: 25 [2018-04-05 15:56:29,095 WARN L148 SmtUtils]: Spent 138ms on a formula simplification that was a NOOP. DAG size: 25 [2018-04-05 15:56:40,254 WARN L148 SmtUtils]: Spent 124ms on a formula simplification that was a NOOP. DAG size: 33 [2018-04-05 15:56:41,488 WARN L148 SmtUtils]: Spent 106ms on a formula simplification that was a NOOP. DAG size: 33 [2018-04-05 15:56:44,639 WARN L148 SmtUtils]: Spent 124ms on a formula simplification that was a NOOP. DAG size: 33 [2018-04-05 15:56:47,567 WARN L148 SmtUtils]: Spent 121ms on a formula simplification that was a NOOP. DAG size: 36 [2018-04-05 15:56:48,965 WARN L148 SmtUtils]: Spent 169ms on a formula simplification that was a NOOP. DAG size: 37 [2018-04-05 15:56:51,081 WARN L148 SmtUtils]: Spent 136ms on a formula simplification that was a NOOP. DAG size: 37 [2018-04-05 15:56:52,772 WARN L148 SmtUtils]: Spent 179ms on a formula simplification that was a NOOP. DAG size: 37 [2018-04-05 15:56:54,491 WARN L148 SmtUtils]: Spent 107ms on a formula simplification that was a NOOP. DAG size: 37 [2018-04-05 15:56:56,416 WARN L148 SmtUtils]: Spent 121ms on a formula simplification that was a NOOP. DAG size: 40 [2018-04-05 15:56:57,842 WARN L148 SmtUtils]: Spent 160ms on a formula simplification that was a NOOP. DAG size: 41 [2018-04-05 15:56:59,778 WARN L148 SmtUtils]: Spent 171ms on a formula simplification that was a NOOP. DAG size: 41 [2018-04-05 15:57:02,187 WARN L148 SmtUtils]: Spent 182ms on a formula simplification that was a NOOP. DAG size: 41 [2018-04-05 15:57:04,318 WARN L148 SmtUtils]: Spent 192ms on a formula simplification that was a NOOP. DAG size: 41 [2018-04-05 15:57:06,736 WARN L148 SmtUtils]: Spent 243ms on a formula simplification that was a NOOP. DAG size: 44 [2018-04-05 15:57:13,193 WARN L148 SmtUtils]: Spent 235ms on a formula simplification that was a NOOP. DAG size: 45 [2018-04-05 15:57:16,794 WARN L148 SmtUtils]: Spent 231ms on a formula simplification that was a NOOP. DAG size: 45 [2018-04-05 15:57:19,036 WARN L148 SmtUtils]: Spent 234ms on a formula simplification that was a NOOP. DAG size: 47 [2018-04-05 15:57:24,209 WARN L151 SmtUtils]: Spent 511ms on a formula simplification. DAG size of input: 46 DAG size of output 42 [2018-04-05 15:57:26,874 WARN L148 SmtUtils]: Spent 190ms on a formula simplification that was a NOOP. DAG size: 42 [2018-04-05 15:57:28,227 WARN L148 SmtUtils]: Spent 148ms on a formula simplification that was a NOOP. DAG size: 44 [2018-04-05 15:57:29,425 WARN L148 SmtUtils]: Spent 120ms on a formula simplification that was a NOOP. DAG size: 44 [2018-04-05 15:57:30,632 WARN L148 SmtUtils]: Spent 118ms on a formula simplification that was a NOOP. DAG size: 44 [2018-04-05 15:57:32,000 WARN L148 SmtUtils]: Spent 130ms on a formula simplification that was a NOOP. DAG size: 44 [2018-04-05 15:57:33,241 WARN L148 SmtUtils]: Spent 107ms on a formula simplification that was a NOOP. DAG size: 44 [2018-04-05 15:57:34,606 WARN L148 SmtUtils]: Spent 173ms on a formula simplification that was a NOOP. DAG size: 44 [2018-04-05 15:57:35,618 WARN L148 SmtUtils]: Spent 109ms on a formula simplification that was a NOOP. DAG size: 44 [2018-04-05 15:57:36,862 WARN L148 SmtUtils]: Spent 166ms on a formula simplification that was a NOOP. DAG size: 39 [2018-04-05 15:57:38,196 WARN L148 SmtUtils]: Spent 114ms on a formula simplification that was a NOOP. DAG size: 38 [2018-04-05 15:57:38,378 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 316 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:57:38,430 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-05 15:57:38,461 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 52] total 103 [2018-04-05 15:57:38,461 INFO L442 AbstractCegarLoop]: Interpolant automaton has 104 states [2018-04-05 15:57:38,462 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2018-04-05 15:57:38,468 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=743, Invalid=9965, Unknown=4, NotChecked=0, Total=10712 [2018-04-05 15:57:38,469 INFO L87 Difference]: Start difference. First operand 105 states and 107 transitions. Second operand 104 states. [2018-04-05 15:57:39,916 WARN L148 SmtUtils]: Spent 755ms on a formula simplification that was a NOOP. DAG size: 57 [2018-04-05 15:57:41,877 WARN L148 SmtUtils]: Spent 501ms on a formula simplification that was a NOOP. DAG size: 56 [2018-04-05 15:57:57,032 WARN L151 SmtUtils]: Spent 695ms on a formula simplification. DAG size of input: 69 DAG size of output 65 [2018-04-05 15:57:59,502 WARN L151 SmtUtils]: Spent 311ms on a formula simplification. DAG size of input: 103 DAG size of output 31 [2018-04-05 15:58:01,087 WARN L148 SmtUtils]: Spent 113ms on a formula simplification that was a NOOP. DAG size: 29 [2018-04-05 15:58:03,127 WARN L151 SmtUtils]: Spent 242ms on a formula simplification. DAG size of input: 73 DAG size of output 33 [2018-04-05 15:58:07,793 WARN L148 SmtUtils]: Spent 107ms on a formula simplification that was a NOOP. DAG size: 39 [2018-04-05 15:58:10,775 WARN L151 SmtUtils]: Spent 633ms on a formula simplification. DAG size of input: 82 DAG size of output 39 [2018-04-05 15:58:12,145 WARN L148 SmtUtils]: Spent 118ms on a formula simplification that was a NOOP. DAG size: 42 [2018-04-05 15:58:13,323 WARN L148 SmtUtils]: Spent 154ms on a formula simplification that was a NOOP. DAG size: 42 [2018-04-05 15:58:15,791 WARN L148 SmtUtils]: Spent 168ms on a formula simplification that was a NOOP. DAG size: 48 [2018-04-05 15:58:17,129 WARN L148 SmtUtils]: Spent 105ms on a formula simplification that was a NOOP. DAG size: 39 [2018-04-05 15:58:19,262 WARN L151 SmtUtils]: Spent 652ms on a formula simplification. DAG size of input: 91 DAG size of output 42 [2018-04-05 15:58:20,051 WARN L148 SmtUtils]: Spent 108ms on a formula simplification that was a NOOP. DAG size: 41 [2018-04-05 15:58:20,694 WARN L148 SmtUtils]: Spent 106ms on a formula simplification that was a NOOP. DAG size: 47 [2018-04-05 15:58:22,087 WARN L148 SmtUtils]: Spent 139ms on a formula simplification that was a NOOP. DAG size: 47 [2018-04-05 15:58:23,533 WARN L148 SmtUtils]: Spent 107ms on a formula simplification that was a NOOP. DAG size: 41 [2018-04-05 15:58:25,912 WARN L148 SmtUtils]: Spent 166ms on a formula simplification that was a NOOP. DAG size: 57 [2018-04-05 15:58:27,757 WARN L148 SmtUtils]: Spent 110ms on a formula simplification that was a NOOP. DAG size: 44 [2018-04-05 15:58:32,368 WARN L151 SmtUtils]: Spent 678ms on a formula simplification. DAG size of input: 100 DAG size of output 46 [2018-04-05 15:58:33,896 WARN L148 SmtUtils]: Spent 127ms on a formula simplification that was a NOOP. DAG size: 46 [2018-04-05 15:58:34,729 WARN L148 SmtUtils]: Spent 169ms on a formula simplification that was a NOOP. DAG size: 52 [2018-04-05 15:58:36,651 WARN L148 SmtUtils]: Spent 120ms on a formula simplification that was a NOOP. DAG size: 52 [2018-04-05 15:58:38,232 WARN L148 SmtUtils]: Spent 208ms on a formula simplification that was a NOOP. DAG size: 46 [2018-04-05 15:58:40,961 WARN L148 SmtUtils]: Spent 281ms on a formula simplification that was a NOOP. DAG size: 66 [2018-04-05 15:58:42,978 WARN L148 SmtUtils]: Spent 125ms on a formula simplification that was a NOOP. DAG size: 49 [2018-04-05 15:58:52,780 WARN L151 SmtUtils]: Spent 956ms on a formula simplification. DAG size of input: 109 DAG size of output 52 [2018-04-05 15:58:54,503 WARN L148 SmtUtils]: Spent 150ms on a formula simplification that was a NOOP. DAG size: 51 [2018-04-05 15:58:55,367 WARN L148 SmtUtils]: Spent 157ms on a formula simplification that was a NOOP. DAG size: 57 [2018-04-05 15:58:57,625 WARN L148 SmtUtils]: Spent 181ms on a formula simplification that was a NOOP. DAG size: 57 [2018-04-05 15:58:59,842 WARN L148 SmtUtils]: Spent 164ms on a formula simplification that was a NOOP. DAG size: 51 [2018-04-05 15:59:04,589 WARN L151 SmtUtils]: Spent 1195ms on a formula simplification. DAG size of input: 113 DAG size of output 75 [2018-04-05 15:59:06,893 WARN L148 SmtUtils]: Spent 113ms on a formula simplification that was a NOOP. DAG size: 54 [2018-04-05 15:59:21,098 WARN L151 SmtUtils]: Spent 2435ms on a formula simplification. DAG size of input: 118 DAG size of output 56 [2018-04-05 15:59:25,349 WARN L148 SmtUtils]: Spent 255ms on a formula simplification that was a NOOP. DAG size: 56 [2018-04-05 15:59:26,612 WARN L148 SmtUtils]: Spent 398ms on a formula simplification that was a NOOP. DAG size: 62 [2018-04-05 15:59:28,961 WARN L148 SmtUtils]: Spent 374ms on a formula simplification that was a NOOP. DAG size: 62 [2018-04-05 15:59:33,323 WARN L148 SmtUtils]: Spent 211ms on a formula simplification that was a NOOP. DAG size: 56 [2018-04-05 15:59:41,418 WARN L151 SmtUtils]: Spent 807ms on a formula simplification. DAG size of input: 121 DAG size of output 84 [2018-04-05 15:59:44,407 WARN L148 SmtUtils]: Spent 304ms on a formula simplification that was a NOOP. DAG size: 59