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/list-ext-properties/test-0504_1_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 18:27:44,962 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 18:27:44,963 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 18:27:44,976 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 18:27:44,976 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 18:27:44,976 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 18:27:44,977 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 18:27:44,979 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 18:27:44,980 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 18:27:44,981 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 18:27:44,981 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 18:27:44,981 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 18:27:44,982 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 18:27:44,983 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 18:27:44,983 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 18:27:44,985 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 18:27:44,986 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 18:27:44,987 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 18:27:44,988 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 18:27:44,989 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 18:27:44,991 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-11 18:27:44,991 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-11 18:27:44,991 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-11 18:27:44,992 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-11 18:27:44,993 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-11 18:27:44,994 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-11 18:27:44,994 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-11 18:27:44,995 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-11 18:27:44,995 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-11 18:27:44,995 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 18:27:44,996 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 18:27:44,996 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 18:27:45,016 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 18:27:45,016 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 18:27:45,017 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 18:27:45,017 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 18:27:45,017 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 18:27:45,018 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 18:27:45,018 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 18:27:45,018 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 18:27:45,018 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 18:27:45,018 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 18:27:45,018 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 18:27:45,018 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 18:27:45,018 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 18:27:45,018 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 18:27:45,018 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 18:27:45,019 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 18:27:45,019 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 18:27:45,019 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 18:27:45,019 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 18:27:45,019 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 18:27:45,019 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 18:27:45,019 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-04-11 18:27:45,019 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-04-11 18:27:45,019 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 18:27:45,046 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 18:27:45,055 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 18:27:45,058 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 18:27:45,059 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 18:27:45,059 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 18:27:45,060 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext-properties/test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,332 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG81c6ab2af [2018-04-11 18:27:45,456 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 18:27:45,456 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 18:27:45,456 INFO L168 CDTParser]: Scanning test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,463 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 18:27:45,463 INFO L215 ultiparseSymbolTable]: [2018-04-11 18:27:45,463 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 18:27:45,464 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,464 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 18:27:45,464 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__uid_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,464 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____uint32_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,464 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__fd_set in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,464 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__lldiv_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,464 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____id_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,464 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____qaddr_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,464 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__int16_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,465 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____rlim64_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,465 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__fsblkcnt_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,465 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__blksize_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,465 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____blksize_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,465 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____int32_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,465 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____dev_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,465 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____fsblkcnt_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,465 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__div_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,465 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__time_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,465 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__pthread_key_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,466 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__pthread_rwlock_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,466 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____u_short in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,466 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__u_int32_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,466 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__key_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,466 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__caddr_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,466 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__sigset_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,466 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__mode_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,466 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____caddr_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,466 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__ulong in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,466 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__u_int64_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,467 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__ino_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,467 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__clock_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,467 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__pid_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,467 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__ldiv_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,467 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____fsfilcnt64_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,467 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____uint16_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,467 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____int8_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,467 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____loff_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,467 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__daddr_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,467 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__int64_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,468 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__pthread_mutex_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,468 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____fsfilcnt_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,468 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____WAIT_STATUS in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,468 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__pthread_barrierattr_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,468 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____swblk_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,468 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__register_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,468 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____daddr_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,468 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____key_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,468 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____int64_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,468 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__u_quad_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,468 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__ushort in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,469 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____time_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,469 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__int8_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,469 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____uint8_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,469 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__loff_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,469 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__pthread_condattr_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,469 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__dev_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,469 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____useconds_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,469 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__id_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,469 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__wchar_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,469 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____clockid_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,469 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__clockid_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,470 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____clock_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,470 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____sig_atomic_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,470 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____u_int in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,470 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____fd_mask in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,470 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__quad_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,470 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__u_int16_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,470 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__pthread_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,470 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__u_int8_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,470 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__pthread_cond_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,470 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__fsid_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,470 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____sigset_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,470 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__suseconds_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,471 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____blkcnt_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,471 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__fd_mask in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,471 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__pthread_once_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,471 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____uint64_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,471 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__pthread_spinlock_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,471 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__u_long in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,471 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____ino_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,471 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____ino64_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,471 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__gid_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,471 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____uid_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,472 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__u_short in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,472 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__ssize_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,472 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__nlink_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,472 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____fsid_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,472 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__uint in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,472 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____socklen_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,472 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____blkcnt64_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,472 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____ssize_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,472 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__pthread_rwlockattr_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,472 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____mode_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,472 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__fsfilcnt_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,472 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____off_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,472 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__int32_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,473 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____gid_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,473 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____u_long in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,473 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____nlink_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,473 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____intptr_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,473 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____int16_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,473 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__timer_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,473 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__blkcnt_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,473 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__size_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,473 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__u_char in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,473 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__off_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,473 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____fsblkcnt64_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,473 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____pthread_list_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,473 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__pthread_mutexattr_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,474 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____rlim_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,474 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____timer_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,474 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__u_int in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,474 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__pthread_attr_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,474 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i__pthread_barrier_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,474 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____u_quad_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,474 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____pid_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,474 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____quad_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,474 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____off64_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,474 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____suseconds_t in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,474 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________true_valid_memsafety_i____u_char in test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:45,486 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG81c6ab2af [2018-04-11 18:27:45,490 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 18:27:45,491 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 18:27:45,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 18:27:45,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 18:27:45,498 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 18:27:45,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 06:27:45" (1/1) ... [2018-04-11 18:27:45,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a0503c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:27:45, skipping insertion in model container [2018-04-11 18:27:45,501 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 06:27:45" (1/1) ... [2018-04-11 18:27:45,513 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 18:27:45,540 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 18:27:45,686 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 18:27:45,725 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 18:27:45,731 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 113 non ball SCCs. Number of states in SCCs 113. [2018-04-11 18:27:45,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:27:45 WrapperNode [2018-04-11 18:27:45,764 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 18:27:45,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 18:27:45,765 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 18:27:45,765 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 18:27:45,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:27:45" (1/1) ... [2018-04-11 18:27:45,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:27:45" (1/1) ... [2018-04-11 18:27:45,789 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:27:45" (1/1) ... [2018-04-11 18:27:45,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:27:45" (1/1) ... [2018-04-11 18:27:45,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:27:45" (1/1) ... [2018-04-11 18:27:45,802 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:27:45" (1/1) ... [2018-04-11 18:27:45,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:27:45" (1/1) ... [2018-04-11 18:27:45,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 18:27:45,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 18:27:45,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 18:27:45,808 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 18:27:45,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:27:45" (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 18:27:45,901 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 18:27:45,901 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 18:27:45,901 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 18:27:45,901 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-11 18:27:45,901 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 18:27:45,901 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 18:27:45,901 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 18:27:45,901 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 18:27:45,902 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 18:27:45,902 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 18:27:45,902 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 18:27:45,902 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 18:27:45,902 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 18:27:45,902 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 18:27:45,902 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 18:27:45,902 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 18:27:45,902 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 18:27:45,903 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 18:27:45,903 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 18:27:45,903 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 18:27:45,903 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 18:27:45,903 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 18:27:45,903 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 18:27:45,903 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 18:27:45,903 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 18:27:45,903 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 18:27:45,903 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 18:27:45,903 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 18:27:45,904 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 18:27:45,904 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 18:27:45,904 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 18:27:45,904 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 18:27:45,904 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 18:27:45,904 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 18:27:45,904 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 18:27:45,904 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 18:27:45,904 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 18:27:45,904 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 18:27:45,905 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 18:27:45,905 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 18:27:45,905 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 18:27:45,905 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 18:27:45,905 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 18:27:45,905 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 18:27:45,905 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 18:27:45,905 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 18:27:45,905 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 18:27:45,905 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 18:27:45,906 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 18:27:45,906 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 18:27:45,906 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 18:27:45,906 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 18:27:45,906 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 18:27:45,906 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 18:27:45,906 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 18:27:45,906 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 18:27:45,906 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 18:27:45,906 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 18:27:45,907 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 18:27:45,907 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 18:27:45,907 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 18:27:45,907 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 18:27:45,907 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 18:27:45,907 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 18:27:45,907 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 18:27:45,907 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 18:27:45,907 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 18:27:45,907 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 18:27:45,907 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-11 18:27:45,908 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 18:27:45,908 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 18:27:45,908 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 18:27:45,908 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 18:27:45,908 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 18:27:45,908 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 18:27:45,908 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 18:27:45,908 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 18:27:45,908 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 18:27:45,908 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 18:27:45,908 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 18:27:45,908 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 18:27:45,908 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 18:27:45,909 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 18:27:45,909 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 18:27:45,909 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 18:27:45,909 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 18:27:45,909 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 18:27:45,909 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 18:27:45,909 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 18:27:45,909 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 18:27:45,909 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 18:27:45,909 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 18:27:45,909 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 18:27:45,909 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 18:27:45,909 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 18:27:45,909 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 18:27:45,909 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 18:27:45,909 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 18:27:45,909 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 18:27:45,909 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 18:27:45,910 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 18:27:45,910 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 18:27:45,910 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 18:27:45,910 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 18:27:45,910 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 18:27:45,910 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 18:27:45,910 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 18:27:45,910 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 18:27:45,910 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-11 18:27:45,910 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 18:27:45,911 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-11 18:27:45,911 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 18:27:45,911 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 18:27:45,911 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 18:27:45,911 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 18:27:45,911 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 18:27:46,257 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 18:27:46,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 06:27:46 BoogieIcfgContainer [2018-04-11 18:27:46,258 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 18:27:46,258 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 18:27:46,259 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 18:27:46,260 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 18:27:46,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 06:27:45" (1/3) ... [2018-04-11 18:27:46,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47ad73ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 06:27:46, skipping insertion in model container [2018-04-11 18:27:46,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:27:45" (2/3) ... [2018-04-11 18:27:46,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47ad73ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 06:27:46, skipping insertion in model container [2018-04-11 18:27:46,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 06:27:46" (3/3) ... [2018-04-11 18:27:46,262 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0504_1_true-valid-memsafety.i [2018-04-11 18:27:46,268 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-11 18:27:46,273 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 41 error locations. [2018-04-11 18:27:46,297 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 18:27:46,297 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 18:27:46,297 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 18:27:46,297 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-04-11 18:27:46,297 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-11 18:27:46,297 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 18:27:46,297 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 18:27:46,297 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 18:27:46,298 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 18:27:46,298 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 18:27:46,307 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2018-04-11 18:27:46,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-04-11 18:27:46,313 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:27:46,313 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:27:46,313 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr38AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr40EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr39AssertViolationMEMORY_FREE]=== [2018-04-11 18:27:46,316 INFO L82 PathProgramCache]: Analyzing trace with hash -2019747464, 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 18:27:46,324 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:27:46,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:27:46,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:27:46,365 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 18:27:46,382 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:27:46,383 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 18:27:46,383 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:27:46,384 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 18:27:46,384 INFO L182 omatonBuilderFactory]: Interpolants [113#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 108#true, 109#false] [2018-04-11 18:27:46,384 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 18:27:46,384 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-11 18:27:46,391 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-11 18:27:46,392 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 18:27:46,393 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 3 states. [2018-04-11 18:27:46,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:27:46,592 INFO L93 Difference]: Finished difference Result 142 states and 154 transitions. [2018-04-11 18:27:46,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-11 18:27:46,593 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-04-11 18:27:46,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:27:46,603 INFO L225 Difference]: With dead ends: 142 [2018-04-11 18:27:46,603 INFO L226 Difference]: Without dead ends: 137 [2018-04-11 18:27:46,604 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 18:27:46,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-04-11 18:27:46,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 108. [2018-04-11 18:27:46,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-04-11 18:27:46,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 117 transitions. [2018-04-11 18:27:46,641 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 117 transitions. Word has length 10 [2018-04-11 18:27:46,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:27:46,642 INFO L459 AbstractCegarLoop]: Abstraction has 108 states and 117 transitions. [2018-04-11 18:27:46,642 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-11 18:27:46,642 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 117 transitions. [2018-04-11 18:27:46,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-11 18:27:46,642 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:27:46,644 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:27:46,645 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr38AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr40EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr39AssertViolationMEMORY_FREE]=== [2018-04-11 18:27:46,645 INFO L82 PathProgramCache]: Analyzing trace with hash 328561019, 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 18:27:46,649 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:27:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:27:46,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:27:46,676 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 18:27:46,696 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:27:46,696 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 18:27:46,697 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:27:46,697 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 18:27:46,697 INFO L182 omatonBuilderFactory]: Interpolants [369#(<= main_~c1~0 0), 370#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 364#true, 365#false] [2018-04-11 18:27:46,697 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 18:27:46,698 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 18:27:46,699 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 18:27:46,699 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 18:27:46,699 INFO L87 Difference]: Start difference. First operand 108 states and 117 transitions. Second operand 4 states. [2018-04-11 18:27:46,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:27:46,820 INFO L93 Difference]: Finished difference Result 109 states and 117 transitions. [2018-04-11 18:27:46,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 18:27:46,820 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-04-11 18:27:46,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:27:46,822 INFO L225 Difference]: With dead ends: 109 [2018-04-11 18:27:46,822 INFO L226 Difference]: Without dead ends: 107 [2018-04-11 18:27:46,822 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 18:27:46,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-04-11 18:27:46,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 106. [2018-04-11 18:27:46,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-04-11 18:27:46,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 114 transitions. [2018-04-11 18:27:46,835 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 114 transitions. Word has length 13 [2018-04-11 18:27:46,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:27:46,835 INFO L459 AbstractCegarLoop]: Abstraction has 106 states and 114 transitions. [2018-04-11 18:27:46,835 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 18:27:46,835 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 114 transitions. [2018-04-11 18:27:46,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-11 18:27:46,836 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:27:46,836 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:27:46,836 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr38AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr40EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr39AssertViolationMEMORY_FREE]=== [2018-04-11 18:27:46,836 INFO L82 PathProgramCache]: Analyzing trace with hash 1594374816, 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 18:27:46,848 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:27:46,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:27:46,861 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-04-11 18:27:46,865 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:27:46,865 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:27:46,866 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:27:46,866 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:27:46,935 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 18:27:46,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:27:46,989 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 18:27:47,014 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:27:47,014 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 18:27:47,014 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:27:47,014 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 18:27:47,015 INFO L182 omatonBuilderFactory]: Interpolants [593#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 594#(= 1 (select |#valid| |main_#t~malloc3.base|)), 595#(= 1 (select |#valid| main_~x~0.base)), 596#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 588#true, 589#false] [2018-04-11 18:27:47,015 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 18:27:47,015 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 18:27:47,015 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 18:27:47,015 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-04-11 18:27:47,015 INFO L87 Difference]: Start difference. First operand 106 states and 114 transitions. Second operand 6 states. [2018-04-11 18:27:47,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:27:47,233 INFO L93 Difference]: Finished difference Result 224 states and 241 transitions. [2018-04-11 18:27:47,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 18:27:47,234 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2018-04-11 18:27:47,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:27:47,235 INFO L225 Difference]: With dead ends: 224 [2018-04-11 18:27:47,235 INFO L226 Difference]: Without dead ends: 224 [2018-04-11 18:27:47,235 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 18:27:47,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2018-04-11 18:27:47,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 104. [2018-04-11 18:27:47,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-04-11 18:27:47,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 113 transitions. [2018-04-11 18:27:47,242 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 113 transitions. Word has length 14 [2018-04-11 18:27:47,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:27:47,242 INFO L459 AbstractCegarLoop]: Abstraction has 104 states and 113 transitions. [2018-04-11 18:27:47,242 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 18:27:47,243 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 113 transitions. [2018-04-11 18:27:47,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-11 18:27:47,243 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:27:47,243 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:27:47,243 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr38AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr40EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr39AssertViolationMEMORY_FREE]=== [2018-04-11 18:27:47,243 INFO L82 PathProgramCache]: Analyzing trace with hash 1594374817, 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 18:27:47,246 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:27:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:27:47,256 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-04-11 18:27:47,258 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:27:47,258 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:27:47,258 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:27:47,259 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:27:47,262 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#length| %1 20) (store %0 %1 20)) :qid itp)) :qid itp)) is different from true [2018-04-11 18:27:47,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:27:47,299 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 18:27:47,331 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:27:47,331 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 18:27:47,331 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:27:47,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:27:47,331 INFO L182 omatonBuilderFactory]: Interpolants [929#true, 930#false, 934#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#length| %1 20) (store %0 %1 20)) :qid itp)) :qid itp)), 935#(and (= 20 (select |#length| |main_#t~malloc3.base|)) (= 0 |main_#t~malloc3.offset|)), 936#(and (<= 0 (+ main_~x~0.offset 12)) (<= (+ main_~x~0.offset 16) (select |#length| main_~x~0.base))), 937#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-04-11 18:27:47,332 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 18:27:47,332 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 18:27:47,332 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 18:27:47,332 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-04-11 18:27:47,332 INFO L87 Difference]: Start difference. First operand 104 states and 113 transitions. Second operand 6 states. [2018-04-11 18:27:47,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:27:47,570 INFO L93 Difference]: Finished difference Result 216 states and 238 transitions. [2018-04-11 18:27:47,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 18:27:47,570 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2018-04-11 18:27:47,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:27:47,571 INFO L225 Difference]: With dead ends: 216 [2018-04-11 18:27:47,572 INFO L226 Difference]: Without dead ends: 216 [2018-04-11 18:27:47,572 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 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 18:27:47,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2018-04-11 18:27:47,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 104. [2018-04-11 18:27:47,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-04-11 18:27:47,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 112 transitions. [2018-04-11 18:27:47,578 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 112 transitions. Word has length 14 [2018-04-11 18:27:47,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:27:47,578 INFO L459 AbstractCegarLoop]: Abstraction has 104 states and 112 transitions. [2018-04-11 18:27:47,578 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 18:27:47,579 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 112 transitions. [2018-04-11 18:27:47,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-11 18:27:47,579 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:27:47,579 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:27:47,579 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr38AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr40EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr39AssertViolationMEMORY_FREE]=== [2018-04-11 18:27:47,579 INFO L82 PathProgramCache]: Analyzing trace with hash 1651633118, 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) [2018-04-11 18:27:47,582 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:27:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:27:47,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:27:47,605 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 18:27:47,629 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:27:47,629 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 18:27:47,630 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:27:47,630 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 18:27:47,630 INFO L182 omatonBuilderFactory]: Interpolants [1267#(< main_~c1~0 5), 1268#|main_#t~short1|, 1269#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 1262#true, 1263#false] [2018-04-11 18:27:47,630 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 18:27:47,630 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 18:27:47,631 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 18:27:47,631 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 18:27:47,631 INFO L87 Difference]: Start difference. First operand 104 states and 112 transitions. Second operand 5 states. [2018-04-11 18:27:47,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:27:47,758 INFO L93 Difference]: Finished difference Result 98 states and 105 transitions. [2018-04-11 18:27:47,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 18:27:47,758 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-04-11 18:27:47,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:27:47,759 INFO L225 Difference]: With dead ends: 98 [2018-04-11 18:27:47,759 INFO L226 Difference]: Without dead ends: 98 [2018-04-11 18:27:47,759 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-11 18:27:47,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-04-11 18:27:47,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 97. [2018-04-11 18:27:47,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-04-11 18:27:47,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 104 transitions. [2018-04-11 18:27:47,764 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 104 transitions. Word has length 14 [2018-04-11 18:27:47,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:27:47,765 INFO L459 AbstractCegarLoop]: Abstraction has 97 states and 104 transitions. [2018-04-11 18:27:47,765 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 18:27:47,765 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 104 transitions. [2018-04-11 18:27:47,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-11 18:27:47,765 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:27:47,765 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:27:47,765 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr38AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr40EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr39AssertViolationMEMORY_FREE]=== [2018-04-11 18:27:47,766 INFO L82 PathProgramCache]: Analyzing trace with hash -2113988254, 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 18:27:47,773 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:27:47,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:27:47,785 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-04-11 18:27:47,789 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:27:47,789 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:27:47,790 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:27:47,790 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:27:47,796 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#length| %1 20) (store %0 %1 20)) :qid itp)) :qid itp)) is different from true [2018-04-11 18:27:47,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:27:47,821 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 18:27:47,848 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:27:47,849 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 18:27:47,849 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:27:47,849 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 18:27:47,849 INFO L182 omatonBuilderFactory]: Interpolants [1474#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#length| %1 20) (store %0 %1 20)) :qid itp)) :qid itp)), 1475#(and (= 20 (select |#length| |main_#t~malloc3.base|)) (= 0 |main_#t~malloc3.offset|)), 1476#(and (<= (+ main_~x~0.offset 20) (select |#length| main_~x~0.base)) (<= 0 (+ main_~x~0.offset 16))), 1477#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 1469#true, 1470#false] [2018-04-11 18:27:47,849 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 18:27:47,850 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 18:27:47,850 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 18:27:47,850 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-04-11 18:27:47,850 INFO L87 Difference]: Start difference. First operand 97 states and 104 transitions. Second operand 6 states. [2018-04-11 18:27:48,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:27:48,046 INFO L93 Difference]: Finished difference Result 185 states and 203 transitions. [2018-04-11 18:27:48,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 18:27:48,046 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2018-04-11 18:27:48,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:27:48,047 INFO L225 Difference]: With dead ends: 185 [2018-04-11 18:27:48,047 INFO L226 Difference]: Without dead ends: 185 [2018-04-11 18:27:48,047 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 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 18:27:48,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2018-04-11 18:27:48,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 104. [2018-04-11 18:27:48,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-04-11 18:27:48,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 116 transitions. [2018-04-11 18:27:48,050 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 116 transitions. Word has length 15 [2018-04-11 18:27:48,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:27:48,050 INFO L459 AbstractCegarLoop]: Abstraction has 104 states and 116 transitions. [2018-04-11 18:27:48,050 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 18:27:48,050 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 116 transitions. [2018-04-11 18:27:48,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-11 18:27:48,050 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:27:48,051 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:27:48,051 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr38AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr40EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr39AssertViolationMEMORY_FREE]=== [2018-04-11 18:27:48,051 INFO L82 PathProgramCache]: Analyzing trace with hash -1109126460, 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 18:27:48,055 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:27:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:27:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:27:48,089 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 18:27:48,106 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:27:48,106 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 18:27:48,106 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:27:48,106 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 18:27:48,107 INFO L182 omatonBuilderFactory]: Interpolants [1776#(= 0 |main_#t~malloc3.offset|), 1777#(or (< (select |#length| main_~x~0.base) (+ main_~x~0.offset 16)) (<= 0 main_~x~0.offset)), 1778#(and (<= (+ main_~x~0.offset 4) (select |#length| main_~x~0.base)) (<= 0 main_~x~0.offset)), 1779#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 1771#true, 1772#false] [2018-04-11 18:27:48,107 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 18:27:48,107 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 18:27:48,107 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 18:27:48,107 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-04-11 18:27:48,107 INFO L87 Difference]: Start difference. First operand 104 states and 116 transitions. Second operand 6 states. [2018-04-11 18:27:48,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:27:48,206 INFO L93 Difference]: Finished difference Result 104 states and 116 transitions. [2018-04-11 18:27:48,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 18:27:48,206 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2018-04-11 18:27:48,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:27:48,206 INFO L225 Difference]: With dead ends: 104 [2018-04-11 18:27:48,206 INFO L226 Difference]: Without dead ends: 104 [2018-04-11 18:27:48,207 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-04-11 18:27:48,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-04-11 18:27:48,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 102. [2018-04-11 18:27:48,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-04-11 18:27:48,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 114 transitions. [2018-04-11 18:27:48,210 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 114 transitions. Word has length 16 [2018-04-11 18:27:48,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:27:48,211 INFO L459 AbstractCegarLoop]: Abstraction has 102 states and 114 transitions. [2018-04-11 18:27:48,211 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 18:27:48,211 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 114 transitions. [2018-04-11 18:27:48,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-04-11 18:27:48,211 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:27:48,211 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:27:48,211 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr38AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr40EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr39AssertViolationMEMORY_FREE]=== [2018-04-11 18:27:48,211 INFO L82 PathProgramCache]: Analyzing trace with hash -23181915, 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 18:27:48,214 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:27:48,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:27:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:27:48,250 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 18:27:48,266 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:27:48,266 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 18:27:48,267 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:27:48,267 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 18:27:48,267 INFO L182 omatonBuilderFactory]: Interpolants [1991#true, 1992#false, 1996#(= 0 |main_#t~malloc3.offset|), 1997#(or (< (select |#length| main_~x~0.base) (+ main_~x~0.offset 16)) (<= 0 (+ main_~x~0.offset 4))), 1998#(and (<= (+ main_~x~0.offset 8) (select |#length| main_~x~0.base)) (<= 0 (+ main_~x~0.offset 4))), 1999#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-04-11 18:27:48,267 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 18:27:48,267 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 18:27:48,267 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 18:27:48,267 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-04-11 18:27:48,268 INFO L87 Difference]: Start difference. First operand 102 states and 114 transitions. Second operand 6 states. [2018-04-11 18:27:48,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:27:48,462 INFO L93 Difference]: Finished difference Result 148 states and 162 transitions. [2018-04-11 18:27:48,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 18:27:48,462 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2018-04-11 18:27:48,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:27:48,463 INFO L225 Difference]: With dead ends: 148 [2018-04-11 18:27:48,463 INFO L226 Difference]: Without dead ends: 148 [2018-04-11 18:27:48,463 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-04-11 18:27:48,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-04-11 18:27:48,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 101. [2018-04-11 18:27:48,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-04-11 18:27:48,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 113 transitions. [2018-04-11 18:27:48,467 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 113 transitions. Word has length 17 [2018-04-11 18:27:48,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:27:48,467 INFO L459 AbstractCegarLoop]: Abstraction has 101 states and 113 transitions. [2018-04-11 18:27:48,467 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 18:27:48,467 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 113 transitions. [2018-04-11 18:27:48,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-11 18:27:48,468 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:27:48,468 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:27:48,468 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr38AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr40EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr39AssertViolationMEMORY_FREE]=== [2018-04-11 18:27:48,468 INFO L82 PathProgramCache]: Analyzing trace with hash -718639385, 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 18:27:48,474 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:27:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:27:48,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:27:48,549 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 18:27:48,575 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:27:48,575 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 18:27:48,575 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:27:48,575 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 18:27:48,575 INFO L182 omatonBuilderFactory]: Interpolants [2256#false, 2260#(= 0 |main_#t~malloc3.offset|), 2261#(or (< (select |#length| main_~x~0.base) (+ main_~x~0.offset 16)) (<= 0 (+ main_~x~0.offset 8))), 2262#(and (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)) (<= 0 (+ main_~x~0.offset 8))), 2263#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 2255#true] [2018-04-11 18:27:48,576 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 18:27:48,576 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 18:27:48,576 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 18:27:48,576 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-04-11 18:27:48,576 INFO L87 Difference]: Start difference. First operand 101 states and 113 transitions. Second operand 6 states. [2018-04-11 18:27:48,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:27:48,757 INFO L93 Difference]: Finished difference Result 147 states and 161 transitions. [2018-04-11 18:27:48,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 18:27:48,758 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-04-11 18:27:48,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:27:48,759 INFO L225 Difference]: With dead ends: 147 [2018-04-11 18:27:48,759 INFO L226 Difference]: Without dead ends: 147 [2018-04-11 18:27:48,759 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-04-11 18:27:48,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-04-11 18:27:48,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 100. [2018-04-11 18:27:48,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-04-11 18:27:48,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 112 transitions. [2018-04-11 18:27:48,763 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 112 transitions. Word has length 18 [2018-04-11 18:27:48,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:27:48,763 INFO L459 AbstractCegarLoop]: Abstraction has 100 states and 112 transitions. [2018-04-11 18:27:48,763 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 18:27:48,763 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 112 transitions. [2018-04-11 18:27:48,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-11 18:27:48,764 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:27:48,764 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:27:48,764 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr38AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr40EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr39AssertViolationMEMORY_FREE]=== [2018-04-11 18:27:48,764 INFO L82 PathProgramCache]: Analyzing trace with hash -1816054924, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:27:48,769 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:27:48,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:27:48,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:27:48,795 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 18:27:48,821 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:27:48,822 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 18:27:48,822 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:27:48,822 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 18:27:48,822 INFO L182 omatonBuilderFactory]: Interpolants [2517#true, 2518#false, 2522#(and (= main_~first~0.offset 0) (= main_~first~0.base 0)), 2523#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-04-11 18:27:48,822 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 18:27:48,823 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 18:27:48,823 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 18:27:48,823 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 18:27:48,823 INFO L87 Difference]: Start difference. First operand 100 states and 112 transitions. Second operand 4 states. [2018-04-11 18:27:48,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:27:48,917 INFO L93 Difference]: Finished difference Result 145 states and 161 transitions. [2018-04-11 18:27:48,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 18:27:48,918 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2018-04-11 18:27:48,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:27:48,918 INFO L225 Difference]: With dead ends: 145 [2018-04-11 18:27:48,918 INFO L226 Difference]: Without dead ends: 145 [2018-04-11 18:27:48,919 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 18:27:48,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-04-11 18:27:48,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 128. [2018-04-11 18:27:48,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-04-11 18:27:48,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 153 transitions. [2018-04-11 18:27:48,922 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 153 transitions. Word has length 26 [2018-04-11 18:27:48,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:27:48,922 INFO L459 AbstractCegarLoop]: Abstraction has 128 states and 153 transitions. [2018-04-11 18:27:48,922 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 18:27:48,922 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 153 transitions. [2018-04-11 18:27:48,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-11 18:27:48,923 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:27:48,923 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:27:48,923 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr38AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr40EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr39AssertViolationMEMORY_FREE]=== [2018-04-11 18:27:48,923 INFO L82 PathProgramCache]: Analyzing trace with hash -462361963, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:27:48,926 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:27:48,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:27:48,963 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: Unsupported proof rule: (let ((a!1 (= (+ 0 (* (- 1) (select |#length_23| |main_#t~malloc3.base_10|))) (* (- 1) (select |#length_23| |main_#t~malloc3.base_10|))))) (rewrite a!1)) [2018-04-11 18:27:48,964 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 125 column 367: theory not supported by interpolation or bad proof at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseInterpolants(Executor.java:255) at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.readInterpolants(ScriptorWithGetInterpolants.java:136) at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.getInterpolants(ScriptorWithGetInterpolants.java:64) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.getInterpolants(DiffWrapperScript.java:260) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:186) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:283) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:298) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedRefinementStrategy.getTraceCheck(FixedRefinementStrategy.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:408) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:417) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:363) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-04-11 18:27:48,966 INFO L168 Benchmark]: Toolchain (without parser) took 3475.47 ms. Allocated memory was 404.2 MB in the beginning and 617.6 MB in the end (delta: 213.4 MB). Free memory was 335.4 MB in the beginning and 511.3 MB in the end (delta: -176.0 MB). Peak memory consumption was 37.4 MB. Max. memory is 5.3 GB. [2018-04-11 18:27:48,968 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 404.2 MB. Free memory is still 361.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 18:27:48,968 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.44 ms. Allocated memory is still 404.2 MB. Free memory was 334.8 MB in the beginning and 309.4 MB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 5.3 GB. [2018-04-11 18:27:48,968 INFO L168 Benchmark]: Boogie Preprocessor took 42.85 ms. Allocated memory is still 404.2 MB. Free memory was 309.4 MB in the beginning and 306.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-11 18:27:48,969 INFO L168 Benchmark]: RCFGBuilder took 449.92 ms. Allocated memory was 404.2 MB in the beginning and 594.0 MB in the end (delta: 189.8 MB). Free memory was 305.5 MB in the beginning and 518.1 MB in the end (delta: -212.7 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. [2018-04-11 18:27:48,969 INFO L168 Benchmark]: TraceAbstraction took 2707.19 ms. Allocated memory was 594.0 MB in the beginning and 617.6 MB in the end (delta: 23.6 MB). Free memory was 518.1 MB in the beginning and 511.3 MB in the end (delta: 6.8 MB). Peak memory consumption was 30.4 MB. Max. memory is 5.3 GB. [2018-04-11 18:27:48,971 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 404.2 MB. Free memory is still 361.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 272.44 ms. Allocated memory is still 404.2 MB. Free memory was 334.8 MB in the beginning and 309.4 MB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 42.85 ms. Allocated memory is still 404.2 MB. Free memory was 309.4 MB in the beginning and 306.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 449.92 ms. Allocated memory was 404.2 MB in the beginning and 594.0 MB in the end (delta: 189.8 MB). Free memory was 305.5 MB in the beginning and 518.1 MB in the end (delta: -212.7 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 2707.19 ms. Allocated memory was 594.0 MB in the beginning and 617.6 MB in the end (delta: 23.6 MB). Free memory was 518.1 MB in the beginning and 511.3 MB in the end (delta: 6.8 MB). Peak memory consumption was 30.4 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 125 column 367: theory not supported by interpolation or bad proof de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 125 column 367: theory not supported by interpolation or bad proof: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0504_1_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_18-27-48-979.csv Received shutdown request...