java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf -i ../../../trunk/examples/svcomp/array-memsafety/reverse_array_alloca_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 18:04:16,837 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 18:04:16,838 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 18:04:16,849 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 18:04:16,849 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 18:04:16,850 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 18:04:16,851 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 18:04:16,853 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 18:04:16,855 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 18:04:16,856 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 18:04:16,857 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 18:04:16,857 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 18:04:16,858 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 18:04:16,859 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 18:04:16,859 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 18:04:16,861 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 18:04:16,863 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 18:04:16,864 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 18:04:16,865 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 18:04:16,866 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 18:04:16,868 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-11 18:04:16,868 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-11 18:04:16,868 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-11 18:04:16,869 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-11 18:04:16,870 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-11 18:04:16,871 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-11 18:04:16,871 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-11 18:04:16,872 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-11 18:04:16,872 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-11 18:04:16,872 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 18:04:16,873 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 18:04:16,873 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf [2018-04-11 18:04:16,894 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 18:04:16,895 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 18:04:16,896 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 18:04:16,896 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 18:04:16,896 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 18:04:16,896 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 18:04:16,896 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 18:04:16,897 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 18:04:16,897 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 18:04:16,897 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 18:04:16,897 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 18:04:16,897 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 18:04:16,897 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 18:04:16,897 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 18:04:16,898 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 18:04:16,898 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 18:04:16,898 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 18:04:16,898 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 18:04:16,898 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 18:04:16,898 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 18:04:16,899 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 18:04:16,899 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-04-11 18:04:16,899 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-04-11 18:04:16,899 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-11 18:04:16,930 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 18:04:16,940 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 18:04:16,945 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 18:04:16,947 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 18:04:16,947 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 18:04:16,948 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,316 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG97104a9a4 [2018-04-11 18:04:17,441 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 18:04:17,441 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 18:04:17,442 INFO L168 CDTParser]: Scanning reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,450 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 18:04:17,451 INFO L215 ultiparseSymbolTable]: [2018-04-11 18:04:17,451 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 18:04:17,451 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____bswap_32 ('__bswap_32') in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,451 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____bswap_64 ('__bswap_64') in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,451 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,451 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 18:04:17,451 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____blkcnt64_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,451 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__ino_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,452 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____socklen_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,452 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__ldiv_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,452 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__fsfilcnt_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,452 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__pid_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,452 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____fsfilcnt64_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,452 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__int32_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,452 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____mode_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,452 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__u_short in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,452 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__gid_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,452 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____fsblkcnt64_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,452 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__u_int64_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,452 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____time_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,452 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__int8_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,452 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__pthread_mutex_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,452 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__pthread_once_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,453 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____rlim_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,453 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__pthread_attr_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,453 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__register_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,453 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__div_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,453 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____intptr_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,453 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__size_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,453 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__time_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,453 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__off_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,453 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____useconds_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,453 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__pthread_condattr_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,453 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____uint32_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,453 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____rlim64_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,453 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__fd_set in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,454 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____qaddr_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,454 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__blksize_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,454 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____blksize_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,454 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____int64_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,454 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____daddr_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,454 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__caddr_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,454 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____key_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,454 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____uint8_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,454 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__u_quad_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,454 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__loff_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,454 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____fsfilcnt_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,454 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__suseconds_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,455 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____caddr_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,455 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____WAIT_STATUS in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,455 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__int64_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,455 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____u_short in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,455 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____clock_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,455 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____int8_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,455 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__mode_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,455 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____dev_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,455 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____loff_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,455 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__fsid_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,455 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__daddr_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,455 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__pthread_rwlockattr_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,456 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____int16_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,456 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____uint16_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,456 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____off_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,456 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__clock_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,456 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____gid_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,456 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____ino64_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,456 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__u_long in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,456 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__ulong in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,456 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__pthread_barrier_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,456 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____u_quad_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,456 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__ushort in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,457 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____quad_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,457 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____fsid_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,457 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____sigset_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,457 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____syscall_slong_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,457 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____ino_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,457 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__sigset_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,457 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__pthread_spinlock_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,457 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__pthread_key_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,457 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____clockid_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,457 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____u_long in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,457 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__int16_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,458 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____pthread_list_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,458 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__pthread_barrierattr_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,458 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____fsblkcnt_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,458 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____blkcnt_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,458 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__pthread_cond_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,458 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____u_int in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,458 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__u_int16_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,458 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__blkcnt_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,458 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__quad_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,458 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__pthread_rwlock_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,458 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__u_char in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,458 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__id_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,458 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__u_int8_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,458 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__uid_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,458 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__lldiv_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,459 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__fsblkcnt_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,459 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__dev_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,459 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__wchar_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,459 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____uid_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,459 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__uint in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,459 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__nlink_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,459 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____u_char in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,459 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____off64_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,459 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____suseconds_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,459 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____fsword_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,459 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__fd_mask in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,459 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____uint64_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,459 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__ssize_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,459 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__pthread_mutexattr_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,459 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____pid_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,459 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__key_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,459 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__u_int in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,459 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____timer_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,459 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____int32_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,459 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__clockid_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,459 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__timer_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,459 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____nlink_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,460 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____syscall_ulong_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,460 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____id_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,460 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____ssize_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,460 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____sig_atomic_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,460 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__u_int32_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,460 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i__pthread_t in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,460 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____fd_mask in reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:17,474 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG97104a9a4 [2018-04-11 18:04:17,477 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 18:04:17,478 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 18:04:17,479 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 18:04:17,479 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 18:04:17,483 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 18:04:17,484 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 06:04:17" (1/1) ... [2018-04-11 18:04:17,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b2d0183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:04:17, skipping insertion in model container [2018-04-11 18:04:17,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 06:04:17" (1/1) ... [2018-04-11 18:04:17,498 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 18:04:17,521 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 18:04:17,653 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 18:04:17,686 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 18:04:17,692 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 111 non ball SCCs. Number of states in SCCs 111. [2018-04-11 18:04:17,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:04:17 WrapperNode [2018-04-11 18:04:17,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 18:04:17,731 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 18:04:17,731 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 18:04:17,731 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 18:04:17,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:04:17" (1/1) ... [2018-04-11 18:04:17,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:04:17" (1/1) ... [2018-04-11 18:04:17,755 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:04:17" (1/1) ... [2018-04-11 18:04:17,755 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:04:17" (1/1) ... [2018-04-11 18:04:17,763 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:04:17" (1/1) ... [2018-04-11 18:04:17,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:04:17" (1/1) ... [2018-04-11 18:04:17,770 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:04:17" (1/1) ... [2018-04-11 18:04:17,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 18:04:17,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 18:04:17,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 18:04:17,774 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 18:04:17,775 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:04:17" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 18:04:17,881 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 18:04:17,881 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 18:04:17,881 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____bswap_32 [2018-04-11 18:04:17,881 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____bswap_64 [2018-04-11 18:04:17,882 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 18:04:17,882 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____bswap_32 [2018-04-11 18:04:17,882 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_freverse_array_alloca_unsafe_false_valid_deref_i____bswap_64 [2018-04-11 18:04:17,882 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 18:04:17,882 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 18:04:17,882 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 18:04:17,882 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 18:04:17,882 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 18:04:17,882 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 18:04:17,882 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 18:04:17,883 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 18:04:17,883 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 18:04:17,883 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 18:04:17,883 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 18:04:17,883 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 18:04:17,883 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 18:04:17,883 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 18:04:17,883 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 18:04:17,883 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 18:04:17,884 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 18:04:17,884 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 18:04:17,884 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 18:04:17,884 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 18:04:17,884 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 18:04:17,884 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 18:04:17,884 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 18:04:17,884 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 18:04:17,884 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 18:04:17,885 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 18:04:17,885 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 18:04:17,885 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 18:04:17,885 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 18:04:17,885 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 18:04:17,885 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 18:04:17,885 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 18:04:17,885 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 18:04:17,885 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 18:04:17,885 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 18:04:17,886 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 18:04:17,886 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 18:04:17,886 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 18:04:17,886 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 18:04:17,886 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 18:04:17,886 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 18:04:17,886 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 18:04:17,886 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 18:04:17,886 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 18:04:17,887 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 18:04:17,887 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 18:04:17,887 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 18:04:17,887 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 18:04:17,887 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 18:04:17,887 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 18:04:17,887 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 18:04:17,887 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 18:04:17,887 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 18:04:17,887 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 18:04:17,888 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 18:04:17,888 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 18:04:17,888 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 18:04:17,888 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 18:04:17,888 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 18:04:17,888 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 18:04:17,888 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 18:04:17,888 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 18:04:17,888 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 18:04:17,888 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 18:04:17,889 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 18:04:17,889 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 18:04:17,889 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 18:04:17,889 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 18:04:17,889 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 18:04:17,889 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 18:04:17,889 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 18:04:17,889 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 18:04:17,889 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 18:04:17,889 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 18:04:17,889 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 18:04:17,890 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 18:04:17,890 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 18:04:17,890 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 18:04:17,890 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 18:04:17,890 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 18:04:17,890 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 18:04:17,890 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 18:04:17,890 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 18:04:17,890 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 18:04:17,890 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 18:04:17,891 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 18:04:17,891 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 18:04:17,891 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 18:04:17,891 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 18:04:17,891 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 18:04:17,891 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 18:04:17,891 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 18:04:17,891 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 18:04:17,891 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 18:04:17,891 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 18:04:17,891 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 18:04:17,892 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 18:04:17,892 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 18:04:17,892 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 18:04:17,892 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 18:04:17,892 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 18:04:17,892 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 18:04:17,892 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 18:04:17,892 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 18:04:17,892 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 18:04:17,892 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 18:04:17,892 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 18:04:17,893 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 18:04:17,893 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 18:04:18,182 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 18:04:18,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 06:04:18 BoogieIcfgContainer [2018-04-11 18:04:18,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 18:04:18,183 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 18:04:18,183 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 18:04:18,185 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 18:04:18,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 06:04:17" (1/3) ... [2018-04-11 18:04:18,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b5a5042 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 06:04:18, skipping insertion in model container [2018-04-11 18:04:18,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:04:17" (2/3) ... [2018-04-11 18:04:18,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b5a5042 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 06:04:18, skipping insertion in model container [2018-04-11 18:04:18,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 06:04:18" (3/3) ... [2018-04-11 18:04:18,187 INFO L107 eAbstractionObserver]: Analyzing ICFG reverse_array_alloca_unsafe_false-valid-deref.i [2018-04-11 18:04:18,192 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-11 18:04:18,197 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 21 error locations. [2018-04-11 18:04:18,222 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 18:04:18,222 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 18:04:18,222 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 18:04:18,222 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-04-11 18:04:18,222 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-11 18:04:18,222 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 18:04:18,222 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 18:04:18,222 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 18:04:18,223 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 18:04:18,223 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 18:04:18,231 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2018-04-11 18:04:18,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-04-11 18:04:18,237 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:04:18,238 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:04:18,238 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr20EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, mainErr19RequiresViolation]=== [2018-04-11 18:04:18,241 INFO L82 PathProgramCache]: Analyzing trace with hash -859612764, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/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 [2018-04-11 18:04:18,249 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:04:18,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:04:18,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:04:18,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:04:18,314 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:04:18,314 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 18:04:18,315 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:04:18,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:04:18,315 INFO L182 omatonBuilderFactory]: Interpolants [66#true, 67#false, 71#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-04-11 18:04:18,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:04:18,316 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-11 18:04:18,325 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-11 18:04:18,326 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 18:04:18,327 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 3 states. [2018-04-11 18:04:18,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:04:18,450 INFO L93 Difference]: Finished difference Result 63 states and 68 transitions. [2018-04-11 18:04:18,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-11 18:04:18,452 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-04-11 18:04:18,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:04:18,460 INFO L225 Difference]: With dead ends: 63 [2018-04-11 18:04:18,460 INFO L226 Difference]: Without dead ends: 60 [2018-04-11 18:04:18,462 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 18:04:18,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-04-11 18:04:18,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-04-11 18:04:18,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-04-11 18:04:18,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 65 transitions. [2018-04-11 18:04:18,488 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 65 transitions. Word has length 12 [2018-04-11 18:04:18,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:04:18,488 INFO L459 AbstractCegarLoop]: Abstraction has 60 states and 65 transitions. [2018-04-11 18:04:18,488 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-11 18:04:18,489 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 65 transitions. [2018-04-11 18:04:18,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-11 18:04:18,489 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:04:18,489 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:04:18,489 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr20EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, mainErr19RequiresViolation]=== [2018-04-11 18:04:18,490 INFO L82 PathProgramCache]: Analyzing trace with hash -878216658, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/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 [2018-04-11 18:04:18,493 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:04:18,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:04:18,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:04:18,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:04:18,548 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:04:18,549 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-11 18:04:18,549 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:04:18,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:04:18,549 INFO L182 omatonBuilderFactory]: Interpolants [195#true, 196#false, 200#(= main_~length~0 1), 201#(= 2 main_~length~0), 202#(< main_~i~0 main_~length~0), 203#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-04-11 18:04:18,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:04:18,551 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 18:04:18,551 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 18:04:18,551 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-11 18:04:18,551 INFO L87 Difference]: Start difference. First operand 60 states and 65 transitions. Second operand 6 states. [2018-04-11 18:04:18,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:04:18,741 INFO L93 Difference]: Finished difference Result 115 states and 123 transitions. [2018-04-11 18:04:18,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 18:04:18,741 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2018-04-11 18:04:18,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:04:18,742 INFO L225 Difference]: With dead ends: 115 [2018-04-11 18:04:18,742 INFO L226 Difference]: Without dead ends: 115 [2018-04-11 18:04:18,743 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-04-11 18:04:18,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-04-11 18:04:18,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 65. [2018-04-11 18:04:18,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-04-11 18:04:18,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 70 transitions. [2018-04-11 18:04:18,748 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 70 transitions. Word has length 13 [2018-04-11 18:04:18,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:04:18,749 INFO L459 AbstractCegarLoop]: Abstraction has 65 states and 70 transitions. [2018-04-11 18:04:18,749 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 18:04:18,749 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 70 transitions. [2018-04-11 18:04:18,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-11 18:04:18,749 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:04:18,749 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:04:18,749 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr20EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, mainErr19RequiresViolation]=== [2018-04-11 18:04:18,749 INFO L82 PathProgramCache]: Analyzing trace with hash -820958315, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/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 [2018-04-11 18:04:18,752 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:04:18,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:04:18,763 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-04-11 18:04:18,775 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:18,775 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:18,776 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:18,777 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:18,816 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)) is different from true [2018-04-11 18:04:18,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:04:18,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:04:18,871 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:04:18,871 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 18:04:18,871 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:04:18,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:04:18,871 INFO L182 omatonBuilderFactory]: Interpolants [388#true, 389#false, 393#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 394#(= 1 (select |#valid| |main_#t~malloc4.base|)), 395#(= 1 (select |#valid| main_~arr~0.base)), 396#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-04-11 18:04:18,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:04:18,872 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 18:04:18,872 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 18:04:18,872 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-04-11 18:04:18,872 INFO L87 Difference]: Start difference. First operand 65 states and 70 transitions. Second operand 6 states. [2018-04-11 18:04:19,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:04:19,080 INFO L93 Difference]: Finished difference Result 112 states and 122 transitions. [2018-04-11 18:04:19,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 18:04:19,080 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2018-04-11 18:04:19,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:04:19,081 INFO L225 Difference]: With dead ends: 112 [2018-04-11 18:04:19,081 INFO L226 Difference]: Without dead ends: 112 [2018-04-11 18:04:19,081 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=28, Unknown=2, NotChecked=10, Total=56 [2018-04-11 18:04:19,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-04-11 18:04:19,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 67. [2018-04-11 18:04:19,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-04-11 18:04:19,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 75 transitions. [2018-04-11 18:04:19,086 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 75 transitions. Word has length 13 [2018-04-11 18:04:19,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:04:19,086 INFO L459 AbstractCegarLoop]: Abstraction has 67 states and 75 transitions. [2018-04-11 18:04:19,086 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 18:04:19,086 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2018-04-11 18:04:19,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-11 18:04:19,087 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:04:19,087 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:04:19,087 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr20EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, mainErr19RequiresViolation]=== [2018-04-11 18:04:19,087 INFO L82 PathProgramCache]: Analyzing trace with hash -820958314, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/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 [2018-04-11 18:04:19,091 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:04:19,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:04:19,102 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier WARNING: array quantifier [2018-04-11 18:04:19,104 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:19,105 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:19,105 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:19,105 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:19,147 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 4) (store |c_#length| %1 4)) :qid itp)) :qid itp)) is different from true [2018-04-11 18:04:19,148 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:19,148 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:19,148 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:19,148 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:19,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:04:19,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:04:19,213 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:04:19,213 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-11 18:04:19,213 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:04:19,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:04:19,213 INFO L182 omatonBuilderFactory]: Interpolants [580#true, 581#false, 585#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 4) (store |#length| %1 4)) :qid itp)) :qid itp)), 586#(exists ((%0 (Array Int Int))) (! (and (= main_~length~0 1) (forall ((%1 Int)) (! (= (store %0 %1 4) (store |#length| %1 4)) :qid itp))) :qid itp)), 587#(and (= 4 (select |#length| |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|)), 588#(and (<= 0 (+ main_~arr~0.offset (* 4 main_~i~0))) (<= (+ main_~arr~0.offset (* 4 main_~i~0) 4) (select |#length| main_~arr~0.base))), 589#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-04-11 18:04:19,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:04:19,214 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-11 18:04:19,214 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-11 18:04:19,214 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=22, Unknown=1, NotChecked=8, Total=42 [2018-04-11 18:04:19,214 INFO L87 Difference]: Start difference. First operand 67 states and 75 transitions. Second operand 7 states. [2018-04-11 18:04:19,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:04:19,425 INFO L93 Difference]: Finished difference Result 108 states and 120 transitions. [2018-04-11 18:04:19,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-11 18:04:19,425 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2018-04-11 18:04:19,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:04:19,426 INFO L225 Difference]: With dead ends: 108 [2018-04-11 18:04:19,426 INFO L226 Difference]: Without dead ends: 108 [2018-04-11 18:04:19,427 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=49, Unknown=5, NotChecked=14, Total=90 [2018-04-11 18:04:19,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-04-11 18:04:19,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 66. [2018-04-11 18:04:19,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-04-11 18:04:19,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 74 transitions. [2018-04-11 18:04:19,431 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 74 transitions. Word has length 13 [2018-04-11 18:04:19,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:04:19,431 INFO L459 AbstractCegarLoop]: Abstraction has 66 states and 74 transitions. [2018-04-11 18:04:19,431 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-11 18:04:19,431 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 74 transitions. [2018-04-11 18:04:19,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-11 18:04:19,432 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:04:19,432 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:04:19,432 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr20EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, mainErr19RequiresViolation]=== [2018-04-11 18:04:19,432 INFO L82 PathProgramCache]: Analyzing trace with hash 896790704, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/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 [2018-04-11 18:04:19,436 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:04:19,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:04:19,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:04:19,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:04:19,495 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:04:19,495 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-11 18:04:19,495 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:04:19,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:04:19,496 INFO L182 omatonBuilderFactory]: Interpolants [770#true, 771#false, 775#(<= 0 main_~length~0), 776#(<= 1 main_~length~0), 777#(and (< main_~i~0 main_~length~0) (<= 1 main_~length~0)), 778#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-04-11 18:04:19,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:04:19,496 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 18:04:19,496 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 18:04:19,496 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-04-11 18:04:19,496 INFO L87 Difference]: Start difference. First operand 66 states and 74 transitions. Second operand 6 states. [2018-04-11 18:04:19,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:04:19,553 INFO L93 Difference]: Finished difference Result 64 states and 70 transitions. [2018-04-11 18:04:19,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 18:04:19,554 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2018-04-11 18:04:19,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:04:19,554 INFO L225 Difference]: With dead ends: 64 [2018-04-11 18:04:19,554 INFO L226 Difference]: Without dead ends: 64 [2018-04-11 18:04:19,555 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-11 18:04:19,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-04-11 18:04:19,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2018-04-11 18:04:19,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-04-11 18:04:19,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 70 transitions. [2018-04-11 18:04:19,558 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 70 transitions. Word has length 13 [2018-04-11 18:04:19,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:04:19,559 INFO L459 AbstractCegarLoop]: Abstraction has 64 states and 70 transitions. [2018-04-11 18:04:19,559 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 18:04:19,559 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 70 transitions. [2018-04-11 18:04:19,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-11 18:04:19,559 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:04:19,559 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:04:19,559 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr20EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, mainErr19RequiresViolation]=== [2018-04-11 18:04:19,559 INFO L82 PathProgramCache]: Analyzing trace with hash 896790745, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/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 [2018-04-11 18:04:19,562 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:04:19,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:04:19,569 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:19,569 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:19,570 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:19,570 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:19,590 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)) is different from true [2018-04-11 18:04:19,611 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-04-11 18:04:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:04:19,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:04:19,646 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:04:19,646 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 18:04:19,646 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:04:19,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:04:19,646 INFO L182 omatonBuilderFactory]: Interpolants [914#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 915#(= 1 (select |#valid| |main_#t~malloc4.base|)), 916#(= 1 (select |#valid| main_~arr~0.base)), 917#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 909#true, 910#false] [2018-04-11 18:04:19,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:04:19,646 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 18:04:19,647 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 18:04:19,647 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-04-11 18:04:19,647 INFO L87 Difference]: Start difference. First operand 64 states and 70 transitions. Second operand 6 states. [2018-04-11 18:04:19,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:04:19,747 INFO L93 Difference]: Finished difference Result 64 states and 70 transitions. [2018-04-11 18:04:19,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 18:04:19,748 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2018-04-11 18:04:19,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:04:19,749 INFO L225 Difference]: With dead ends: 64 [2018-04-11 18:04:19,749 INFO L226 Difference]: Without dead ends: 64 [2018-04-11 18:04:19,749 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=28, Unknown=2, NotChecked=10, Total=56 [2018-04-11 18:04:19,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-04-11 18:04:19,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2018-04-11 18:04:19,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-04-11 18:04:19,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 67 transitions. [2018-04-11 18:04:19,753 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 67 transitions. Word has length 13 [2018-04-11 18:04:19,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:04:19,753 INFO L459 AbstractCegarLoop]: Abstraction has 62 states and 67 transitions. [2018-04-11 18:04:19,753 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 18:04:19,753 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 67 transitions. [2018-04-11 18:04:19,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-11 18:04:19,754 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:04:19,754 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:04:19,754 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr20EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, mainErr19RequiresViolation]=== [2018-04-11 18:04:19,754 INFO L82 PathProgramCache]: Analyzing trace with hash 896790746, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/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 [2018-04-11 18:04:19,756 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:04:19,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:04:19,784 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier [2018-04-11 18:04:19,785 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:19,785 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:19,786 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:19,786 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:19,786 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:19,786 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:19,795 WARN L1033 $PredicateComparison]: unable to prove that (forall ((%0 Int)) (! (exists ((%1 (Array Int Int))) (! (forall ((%2 Int)) (! (let ((.cse0 (* 4 %0))) (= (store %1 %2 .cse0) (store |c_#length| %2 .cse0))) :qid itp)) :qid itp)) :qid itp)) is different from true [2018-04-11 18:04:19,795 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:19,795 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:19,795 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:19,796 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:19,796 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:19,796 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:19,803 WARN L1033 $PredicateComparison]: unable to prove that (forall ((%0 Int)) (! (exists ((%1 (Array Int Int))) (! (forall ((%2 Int)) (! (or (< c_main_~length~0 1) (and (let ((.cse0 (* 4 %0))) (= (store %1 %2 .cse0) (store |c_#length| %2 .cse0))) (<= 0 c_main_~length~0))) :qid itp)) :qid itp)) :qid itp)) is different from true [2018-04-11 18:04:19,803 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:19,803 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:19,804 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:19,804 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:19,804 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:19,804 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:19,810 WARN L1033 $PredicateComparison]: unable to prove that (forall ((%0 Int)) (! (exists ((%1 (Array Int Int))) (! (and (<= 0 c_main_~length~0) (forall ((%2 Int)) (! (let ((.cse0 (* 4 %0))) (= (store %1 %2 .cse0) (store |c_#length| %2 .cse0))) :qid itp))) :qid itp)) :qid itp)) is different from true [2018-04-11 18:04:19,811 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:19,811 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:19,811 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:19,811 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:19,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:04:19,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:04:19,840 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:04:19,840 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-11 18:04:19,840 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:04:19,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:04:19,841 INFO L182 omatonBuilderFactory]: Interpolants [1056#(exists ((%0 (Array Int Int))) (! (and (<= 1 main_~length~0) (forall ((%1 Int)) (! (= (store |#length| %1 (* 4 main_~length~0)) (store %0 %1 (* 4 main_~length~0))) :qid itp))) :qid itp)), 1057#(and (<= 4 (select |#length| |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|)), 1058#(and (<= 0 (+ main_~arr~0.offset (* 4 main_~i~0))) (<= (+ main_~arr~0.offset (* 4 main_~i~0) 4) (select |#length| main_~arr~0.base))), 1059#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 1048#true, 1049#false, 1053#(forall ((%0 Int)) (! (exists ((%1 (Array Int Int))) (! (forall ((%2 Int)) (! (= (store %1 %2 (* 4 %0)) (store |#length| %2 (* 4 %0))) :qid itp)) :qid itp)) :qid itp)), 1054#(forall ((%0 Int)) (! (exists ((%1 (Array Int Int))) (! (forall ((%2 Int)) (! (or (< main_~length~0 1) (and (= (store %1 %2 (* 4 %0)) (store |#length| %2 (* 4 %0))) (<= 0 main_~length~0))) :qid itp)) :qid itp)) :qid itp)), 1055#(forall ((%0 Int)) (! (exists ((%1 (Array Int Int))) (! (and (<= 0 main_~length~0) (forall ((%2 Int)) (! (= (store %1 %2 (* 4 %0)) (store |#length| %2 (* 4 %0))) :qid itp))) :qid itp)) :qid itp))] [2018-04-11 18:04:19,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:04:19,841 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-11 18:04:19,841 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-11 18:04:19,841 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=23, Unknown=4, NotChecked=30, Total=72 [2018-04-11 18:04:19,842 INFO L87 Difference]: Start difference. First operand 62 states and 67 transitions. Second operand 9 states. [2018-04-11 18:04:20,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:04:20,066 INFO L93 Difference]: Finished difference Result 109 states and 118 transitions. [2018-04-11 18:04:20,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 18:04:20,066 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 13 [2018-04-11 18:04:20,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:04:20,066 INFO L225 Difference]: With dead ends: 109 [2018-04-11 18:04:20,067 INFO L226 Difference]: Without dead ends: 109 [2018-04-11 18:04:20,067 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=71, Unknown=19, NotChecked=60, Total=182 [2018-04-11 18:04:20,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-04-11 18:04:20,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 62. [2018-04-11 18:04:20,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-04-11 18:04:20,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 67 transitions. [2018-04-11 18:04:20,070 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 67 transitions. Word has length 13 [2018-04-11 18:04:20,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:04:20,070 INFO L459 AbstractCegarLoop]: Abstraction has 62 states and 67 transitions. [2018-04-11 18:04:20,070 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-11 18:04:20,070 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 67 transitions. [2018-04-11 18:04:20,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-11 18:04:20,070 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:04:20,070 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:04:20,071 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr20EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, mainErr19RequiresViolation]=== [2018-04-11 18:04:20,071 INFO L82 PathProgramCache]: Analyzing trace with hash 954049048, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/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 [2018-04-11 18:04:20,076 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:04:20,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:04:20,104 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier [2018-04-11 18:04:20,106 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:20,107 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:20,107 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:20,107 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:20,107 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:20,107 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:20,116 WARN L1033 $PredicateComparison]: unable to prove that (forall ((%0 Int)) (! (exists ((%1 (Array Int Int))) (! (forall ((%2 Int)) (! (let ((.cse0 (* 4 %0))) (= (store %1 %2 .cse0) (store |c_#length| %2 .cse0))) :qid itp)) :qid itp)) :qid itp)) is different from true [2018-04-11 18:04:20,117 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:20,117 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:20,117 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:20,117 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:20,123 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:20,123 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:20,123 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:20,123 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:20,128 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:20,128 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:20,129 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:20,129 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:04:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:04:20,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:04:20,151 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:04:20,151 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-11 18:04:20,151 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:04:20,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:04:20,152 INFO L182 omatonBuilderFactory]: Interpolants [1248#(forall ((%2 Int)) (<= (+ (select (store |old(#length)| |main_#t~malloc4.base| (* 4 main_~length~0)) %2) 4) (+ (select (store |#length| |main_#t~malloc4.base| (* 4 main_~length~0)) %2) (* 4 main_~length~0)))), 1249#(and (<= 4 (select |#length| |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|)), 1250#(and (<= 0 (+ main_~arr~0.offset (* 4 main_~i~0))) (<= (+ main_~arr~0.offset (* 4 main_~i~0) 4) (select |#length| main_~arr~0.base))), 1251#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 1241#true, 1242#false, 1246#(forall ((%0 Int)) (! (exists ((%1 (Array Int Int))) (! (forall ((%2 Int)) (! (= (store %1 %2 (* 4 %0)) (store |#length| %2 (* 4 %0))) :qid itp)) :qid itp)) :qid itp)), 1247#(or (< main_~length~0 1) (forall ((%2 Int)) (<= (+ (select (store |old(#length)| |main_#t~malloc4.base| (* 4 main_~length~0)) %2) 4) (+ (select (store |#length| |main_#t~malloc4.base| (* 4 main_~length~0)) %2) (* 4 main_~length~0)))))] [2018-04-11 18:04:20,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:04:20,152 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 18:04:20,152 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 18:04:20,153 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=31, Unknown=1, NotChecked=10, Total=56 [2018-04-11 18:04:20,153 INFO L87 Difference]: Start difference. First operand 62 states and 67 transitions. Second operand 8 states. [2018-04-11 18:04:22,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:04:22,431 INFO L93 Difference]: Finished difference Result 110 states and 119 transitions. [2018-04-11 18:04:22,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 18:04:22,431 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 13 [2018-04-11 18:04:22,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:04:22,432 INFO L225 Difference]: With dead ends: 110 [2018-04-11 18:04:22,432 INFO L226 Difference]: Without dead ends: 110 [2018-04-11 18:04:22,432 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=4, NotChecked=18, Total=132 [2018-04-11 18:04:22,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-04-11 18:04:22,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 58. [2018-04-11 18:04:22,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-04-11 18:04:22,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 63 transitions. [2018-04-11 18:04:22,437 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 63 transitions. Word has length 13 [2018-04-11 18:04:22,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:04:22,437 INFO L459 AbstractCegarLoop]: Abstraction has 58 states and 63 transitions. [2018-04-11 18:04:22,437 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 18:04:22,437 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 63 transitions. [2018-04-11 18:04:22,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-11 18:04:22,437 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:04:22,437 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:04:22,437 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr20EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, mainErr19RequiresViolation]=== [2018-04-11 18:04:22,438 INFO L82 PathProgramCache]: Analyzing trace with hash 1391570458, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/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 [2018-04-11 18:04:22,444 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:04:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-11 18:04:22,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-11 18:04:22,484 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-04-11 18:04:22,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 06:04:22 BoogieIcfgContainer [2018-04-11 18:04:22,502 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 18:04:22,503 INFO L168 Benchmark]: Toolchain (without parser) took 5024.91 ms. Allocated memory was 393.2 MB in the beginning and 659.6 MB in the end (delta: 266.3 MB). Free memory was 320.5 MB in the beginning and 628.6 MB in the end (delta: -308.1 MB). Peak memory consumption was 189.7 MB. Max. memory is 5.3 GB. [2018-04-11 18:04:22,504 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 393.2 MB. Free memory is still 352.9 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 18:04:22,504 INFO L168 Benchmark]: CACSL2BoogieTranslator took 251.35 ms. Allocated memory is still 393.2 MB. Free memory was 320.5 MB in the beginning and 296.6 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. [2018-04-11 18:04:22,504 INFO L168 Benchmark]: Boogie Preprocessor took 42.78 ms. Allocated memory is still 393.2 MB. Free memory was 296.6 MB in the beginning and 294.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-11 18:04:22,504 INFO L168 Benchmark]: RCFGBuilder took 408.92 ms. Allocated memory was 393.2 MB in the beginning and 591.9 MB in the end (delta: 198.7 MB). Free memory was 294.0 MB in the beginning and 525.5 MB in the end (delta: -231.5 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. [2018-04-11 18:04:22,505 INFO L168 Benchmark]: TraceAbstraction took 4319.12 ms. Allocated memory was 591.9 MB in the beginning and 659.6 MB in the end (delta: 67.6 MB). Free memory was 525.5 MB in the beginning and 628.6 MB in the end (delta: -103.1 MB). Peak memory consumption was 196.0 MB. Max. memory is 5.3 GB. [2018-04-11 18:04:22,506 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 393.2 MB. Free memory is still 352.9 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 251.35 ms. Allocated memory is still 393.2 MB. Free memory was 320.5 MB in the beginning and 296.6 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 42.78 ms. Allocated memory is still 393.2 MB. Free memory was 296.6 MB in the beginning and 294.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 408.92 ms. Allocated memory was 393.2 MB in the beginning and 591.9 MB in the end (delta: 198.7 MB). Free memory was 294.0 MB in the beginning and 525.5 MB in the end (delta: -231.5 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. * TraceAbstraction took 4319.12 ms. Allocated memory was 591.9 MB in the beginning and 659.6 MB in the end (delta: 67.6 MB). Free memory was 525.5 MB in the beginning and 628.6 MB in the end (delta: -103.1 MB). Peak memory consumption was 196.0 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 549]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L541] int i, j, tmp; [L542] int length = __VERIFIER_nondet_int(); [L543] COND TRUE length < 1 [L543] length = 1 VAL [length=1] [L544] COND FALSE !(length % 2 == 0) VAL [length=1] [L545] EXPR, FCALL __builtin_alloca (length*sizeof(int)) VAL [__builtin_alloca (length*sizeof(int))={8:0}, length=1] [L545] int *arr = __builtin_alloca (length*sizeof(int)); [L546] i=0 VAL [__builtin_alloca (length*sizeof(int))={8:0}, arr={8:0}, i=0, length=1] [L546] COND TRUE i