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/memsafety/test-0219_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-408c70d-m [2018-04-13 14:52:53,264 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-13 14:52:53,265 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-13 14:52:53,277 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-13 14:52:53,278 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-13 14:52:53,278 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-13 14:52:53,279 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-13 14:52:53,281 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-13 14:52:53,282 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-13 14:52:53,283 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-13 14:52:53,283 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-13 14:52:53,284 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-13 14:52:53,284 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-13 14:52:53,285 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-13 14:52:53,286 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-13 14:52:53,287 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-13 14:52:53,289 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-13 14:52:53,290 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-13 14:52:53,291 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-13 14:52:53,291 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-13 14:52:53,293 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-13 14:52:53,298 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 [2018-04-13 14:52:53,308 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-13 14:52:53,308 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-13 14:52:53,309 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-13 14:52:53,309 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-13 14:52:53,309 INFO L133 SettingsManager]: * Use SBE=true [2018-04-13 14:52:53,309 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-13 14:52:53,310 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-13 14:52:53,310 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-13 14:52:53,310 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-13 14:52:53,310 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-13 14:52:53,310 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-13 14:52:53,310 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-13 14:52:53,310 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-13 14:52:53,311 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-13 14:52:53,311 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-13 14:52:53,311 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-13 14:52:53,311 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-13 14:52:53,311 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-13 14:52:53,311 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-13 14:52:53,311 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-13 14:52:53,312 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-13 14:52:53,312 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-04-13 14:52:53,312 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-04-13 14:52:53,312 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 [2018-04-13 14:52:53,339 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-13 14:52:53,349 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-13 14:52:53,353 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-13 14:52:53,354 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-13 14:52:53,354 INFO L276 PluginConnector]: CDTParser initialized [2018-04-13 14:52:53,357 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,728 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG8b55723c0 [2018-04-13 14:52:53,856 INFO L287 CDTParser]: IsIndexed: true [2018-04-13 14:52:53,857 INFO L288 CDTParser]: Found 1 translation units. [2018-04-13 14:52:53,857 INFO L168 CDTParser]: Scanning test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,866 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-13 14:52:53,867 INFO L215 ultiparseSymbolTable]: [2018-04-13 14:52:53,867 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-13 14:52:53,867 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest______true_valid_memsafety_i__l2_destroy ('l2_destroy') in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,867 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest______true_valid_memsafety_i__calloc_model ('calloc_model') in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,867 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest______true_valid_memsafety_i__l2_insert ('l2_insert') in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,867 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest______true_valid_memsafety_i__l1_insert ('l1_insert') in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,867 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,867 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-13 14:52:53,867 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____int32_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,867 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__div_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,868 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____suseconds_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,868 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__time_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,868 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__fsblkcnt_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,868 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__key_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,868 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__pthread_mutex_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,868 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____u_short in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,868 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__uid_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,868 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__fd_set in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,868 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__pthread_rwlock_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,868 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__locale_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,868 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____rlim_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,868 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____dev_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,868 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____fsblkcnt_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,868 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__mode_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,868 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__int16_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,868 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__lldiv_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,868 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____u_char in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,868 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____blksize_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,869 INFO L230 ultiparseSymbolTable]: Global variable declaration of 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14:52:53,869 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__u_int64_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,869 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__u_int in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,869 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__pthread_mutexattr_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,869 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____fsfilcnt_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,869 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____qaddr_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,869 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____rlim64_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,869 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____u_long in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,869 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__u_char in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,870 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____int8_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,870 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__blkcnt_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,870 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____int16_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,870 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__u_short in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,870 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__off_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,870 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__gid_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,870 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__ulong in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,870 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__pid_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,870 INFO L230 ultiparseSymbolTable]: Global variable declaration of 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test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,871 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__u_long in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,871 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____caddr_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,871 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____fsid_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,871 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__size_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,871 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____sigset_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,871 INFO L230 ultiparseSymbolTable]: Global variable 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Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__dev_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,872 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__quad_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,872 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____u_int in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,872 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____uint8_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,872 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____blkcnt_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,873 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__pthread_cond_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,873 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__u_int8_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,873 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__u_int16_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,873 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____key_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,873 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____loff_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,873 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____useconds_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,873 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__wchar_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,873 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__fd_mask in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,873 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__suseconds_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,873 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____u_quad_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,873 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____gid_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,873 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__pthread_barrier_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,873 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____quad_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,873 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__pthread_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,874 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____fd_mask in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,874 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____int64_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,874 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__ushort in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,874 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__loff_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,874 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__int64_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,874 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____WAIT_STATUS in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,874 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____fsblkcnt64_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,874 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__pthread_condattr_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,874 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____uint16_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,874 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____pid_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,874 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____daddr_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,874 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__ldiv_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,874 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____fsfilcnt64_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,874 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____blkcnt64_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,874 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__u_int32_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,874 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__pthread_rwlockattr_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,874 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__ino_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,874 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____uint64_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,874 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____swblk_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,874 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__pthread_barrierattr_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,875 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__timer_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,875 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____ssize_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,875 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__int32_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,875 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__register_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,875 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____sig_atomic_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,875 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____locale_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,875 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____nlink_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,875 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__pthread_key_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,875 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____ino64_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,875 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____off_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,875 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__nlink_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,875 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__fsfilcnt_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,875 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i____uid_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,875 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__ssize_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,876 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__id_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,876 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__uint in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,876 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_i__sigset_t in test-0219_true-valid-memsafety.i [2018-04-13 14:52:53,904 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG8b55723c0 [2018-04-13 14:52:53,907 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-13 14:52:53,908 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-13 14:52:53,909 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-13 14:52:53,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-13 14:52:53,914 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-13 14:52:53,915 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 02:52:53" (1/1) ... [2018-04-13 14:52:53,917 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60723377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 02:52:53, skipping insertion in model container [2018-04-13 14:52:53,917 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 02:52:53" (1/1) ... [2018-04-13 14:52:53,930 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-13 14:52:53,959 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-13 14:52:54,100 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-13 14:52:54,141 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-13 14:52:54,147 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 162 non ball SCCs. Number of states in SCCs 162. [2018-04-13 14:52:54,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 02:52:54 WrapperNode [2018-04-13 14:52:54,190 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-13 14:52:54,190 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-13 14:52:54,191 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-13 14:52:54,191 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-13 14:52:54,198 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 02:52:54" (1/1) ... [2018-04-13 14:52:54,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 02:52:54" (1/1) ... [2018-04-13 14:52:54,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 02:52:54" (1/1) ... [2018-04-13 14:52:54,211 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 02:52:54" (1/1) ... [2018-04-13 14:52:54,222 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 02:52:54" (1/1) ... [2018-04-13 14:52:54,226 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 02:52:54" (1/1) ... [2018-04-13 14:52:54,229 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 02:52:54" (1/1) ... [2018-04-13 14:52:54,233 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-13 14:52:54,233 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-13 14:52:54,233 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-13 14:52:54,233 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-13 14:52:54,234 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 02:52:54" (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 [2018-04-13 14:52:54,313 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-13 14:52:54,313 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-13 14:52:54,313 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest______true_valid_memsafety_i__calloc_model [2018-04-13 14:52:54,313 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest______true_valid_memsafety_i__l2_insert [2018-04-13 14:52:54,313 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest______true_valid_memsafety_i__l2_destroy [2018-04-13 14:52:54,313 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest______true_valid_memsafety_i__l1_insert [2018-04-13 14:52:54,313 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-13 14:52:54,313 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-04-13 14:52:54,313 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-13 14:52:54,313 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-13 14:52:54,314 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-13 14:52:54,314 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-13 14:52:54,314 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-13 14:52:54,314 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-13 14:52:54,314 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-13 14:52:54,314 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-13 14:52:54,314 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-13 14:52:54,314 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-13 14:52:54,314 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-13 14:52:54,315 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-13 14:52:54,315 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-13 14:52:54,315 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-13 14:52:54,315 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-13 14:52:54,315 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-13 14:52:54,315 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-13 14:52:54,315 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-13 14:52:54,315 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-13 14:52:54,315 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-13 14:52:54,316 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-13 14:52:54,316 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-13 14:52:54,316 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-13 14:52:54,316 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-13 14:52:54,316 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-13 14:52:54,316 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-13 14:52:54,316 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-13 14:52:54,316 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-13 14:52:54,316 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-13 14:52:54,317 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-13 14:52:54,317 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-13 14:52:54,317 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-13 14:52:54,317 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-13 14:52:54,317 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-13 14:52:54,317 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-13 14:52:54,317 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-13 14:52:54,317 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-13 14:52:54,317 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-13 14:52:54,317 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-13 14:52:54,318 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-13 14:52:54,318 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-13 14:52:54,318 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-13 14:52:54,318 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-13 14:52:54,318 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-13 14:52:54,318 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-13 14:52:54,318 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-13 14:52:54,318 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-13 14:52:54,318 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-13 14:52:54,319 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-13 14:52:54,319 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-13 14:52:54,319 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-13 14:52:54,319 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-13 14:52:54,319 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-13 14:52:54,319 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-13 14:52:54,319 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-13 14:52:54,319 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-13 14:52:54,319 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-13 14:52:54,319 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-13 14:52:54,320 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-13 14:52:54,320 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-13 14:52:54,320 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-13 14:52:54,320 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-13 14:52:54,320 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-13 14:52:54,320 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-13 14:52:54,320 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-13 14:52:54,320 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-13 14:52:54,320 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-13 14:52:54,320 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-13 14:52:54,320 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-13 14:52:54,321 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-13 14:52:54,321 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-13 14:52:54,321 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-13 14:52:54,321 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-13 14:52:54,321 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-13 14:52:54,321 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-13 14:52:54,321 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-13 14:52:54,321 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-13 14:52:54,321 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-13 14:52:54,321 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-13 14:52:54,322 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-13 14:52:54,322 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-13 14:52:54,322 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-13 14:52:54,322 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-13 14:52:54,322 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-13 14:52:54,322 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-13 14:52:54,322 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-13 14:52:54,322 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-13 14:52:54,322 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-13 14:52:54,322 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-13 14:52:54,323 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-13 14:52:54,323 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-13 14:52:54,323 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-13 14:52:54,323 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-13 14:52:54,323 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-13 14:52:54,323 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-13 14:52:54,323 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-13 14:52:54,323 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-13 14:52:54,323 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-13 14:52:54,323 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-13 14:52:54,324 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-13 14:52:54,324 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-13 14:52:54,324 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-13 14:52:54,324 INFO L128 BoogieDeclarations]: Found specification of procedure memcpy [2018-04-13 14:52:54,324 INFO L128 BoogieDeclarations]: Found specification of procedure memmove [2018-04-13 14:52:54,324 INFO L128 BoogieDeclarations]: Found specification of procedure memccpy [2018-04-13 14:52:54,324 INFO L128 BoogieDeclarations]: Found specification of procedure memset [2018-04-13 14:52:54,324 INFO L128 BoogieDeclarations]: Found specification of procedure memcmp [2018-04-13 14:52:54,324 INFO L128 BoogieDeclarations]: Found specification of procedure memchr [2018-04-13 14:52:54,325 INFO L128 BoogieDeclarations]: Found specification of procedure strcpy [2018-04-13 14:52:54,325 INFO L128 BoogieDeclarations]: Found specification of procedure strncpy [2018-04-13 14:52:54,325 INFO L128 BoogieDeclarations]: Found specification of procedure strcat [2018-04-13 14:52:54,325 INFO L128 BoogieDeclarations]: Found specification of procedure strncat [2018-04-13 14:52:54,325 INFO L128 BoogieDeclarations]: Found specification of procedure strcmp [2018-04-13 14:52:54,325 INFO L128 BoogieDeclarations]: Found specification of procedure strncmp [2018-04-13 14:52:54,325 INFO L128 BoogieDeclarations]: Found specification of procedure strcoll [2018-04-13 14:52:54,325 INFO L128 BoogieDeclarations]: Found specification of procedure strxfrm [2018-04-13 14:52:54,325 INFO L128 BoogieDeclarations]: Found specification of procedure strcoll_l [2018-04-13 14:52:54,325 INFO L128 BoogieDeclarations]: Found specification of procedure strxfrm_l [2018-04-13 14:52:54,325 INFO L128 BoogieDeclarations]: Found specification of procedure strdup [2018-04-13 14:52:54,326 INFO L128 BoogieDeclarations]: Found specification of procedure strndup [2018-04-13 14:52:54,326 INFO L128 BoogieDeclarations]: Found specification of procedure strchr [2018-04-13 14:52:54,326 INFO L128 BoogieDeclarations]: Found specification of procedure strrchr [2018-04-13 14:52:54,326 INFO L128 BoogieDeclarations]: Found specification of procedure strcspn [2018-04-13 14:52:54,326 INFO L128 BoogieDeclarations]: Found specification of procedure strspn [2018-04-13 14:52:54,326 INFO L128 BoogieDeclarations]: Found specification of procedure strpbrk [2018-04-13 14:52:54,326 INFO L128 BoogieDeclarations]: Found specification of procedure strstr [2018-04-13 14:52:54,326 INFO L128 BoogieDeclarations]: Found specification of procedure strtok [2018-04-13 14:52:54,326 INFO L128 BoogieDeclarations]: Found specification of procedure __strtok_r [2018-04-13 14:52:54,326 INFO L128 BoogieDeclarations]: Found specification of procedure strtok_r [2018-04-13 14:52:54,326 INFO L128 BoogieDeclarations]: Found specification of procedure strlen [2018-04-13 14:52:54,327 INFO L128 BoogieDeclarations]: Found specification of procedure strnlen [2018-04-13 14:52:54,327 INFO L128 BoogieDeclarations]: Found specification of procedure strerror [2018-04-13 14:52:54,327 INFO L128 BoogieDeclarations]: Found specification of procedure strerror_r [2018-04-13 14:52:54,327 INFO L128 BoogieDeclarations]: Found specification of procedure strerror_l [2018-04-13 14:52:54,327 INFO L128 BoogieDeclarations]: Found specification of procedure __bzero [2018-04-13 14:52:54,327 INFO L128 BoogieDeclarations]: Found specification of procedure bcopy [2018-04-13 14:52:54,327 INFO L128 BoogieDeclarations]: Found specification of procedure bzero [2018-04-13 14:52:54,327 INFO L128 BoogieDeclarations]: Found specification of procedure bcmp [2018-04-13 14:52:54,327 INFO L128 BoogieDeclarations]: Found specification of procedure index [2018-04-13 14:52:54,327 INFO L128 BoogieDeclarations]: Found specification of procedure rindex [2018-04-13 14:52:54,328 INFO L128 BoogieDeclarations]: Found specification of procedure ffs [2018-04-13 14:52:54,328 INFO L128 BoogieDeclarations]: Found specification of procedure strcasecmp [2018-04-13 14:52:54,328 INFO L128 BoogieDeclarations]: Found specification of procedure strncasecmp [2018-04-13 14:52:54,328 INFO L128 BoogieDeclarations]: Found specification of procedure strsep [2018-04-13 14:52:54,328 INFO L128 BoogieDeclarations]: Found specification of procedure strsignal [2018-04-13 14:52:54,328 INFO L128 BoogieDeclarations]: Found specification of procedure __stpcpy [2018-04-13 14:52:54,328 INFO L128 BoogieDeclarations]: Found specification of procedure stpcpy [2018-04-13 14:52:54,328 INFO L128 BoogieDeclarations]: Found specification of procedure __stpncpy [2018-04-13 14:52:54,328 INFO L128 BoogieDeclarations]: Found specification of procedure stpncpy [2018-04-13 14:52:54,328 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest______true_valid_memsafety_i__calloc_model [2018-04-13 14:52:54,329 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-13 14:52:54,329 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-04-13 14:52:54,329 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-13 14:52:54,329 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest______true_valid_memsafety_i__l2_insert [2018-04-13 14:52:54,329 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-13 14:52:54,329 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-13 14:52:54,329 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest______true_valid_memsafety_i__l2_destroy [2018-04-13 14:52:54,329 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-13 14:52:54,329 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest______true_valid_memsafety_i__l1_insert [2018-04-13 14:52:54,329 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-13 14:52:54,329 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-13 14:52:54,330 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-13 14:52:54,614 WARN L446 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-04-13 14:52:54,727 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-13 14:52:54,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 02:52:54 BoogieIcfgContainer [2018-04-13 14:52:54,727 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-13 14:52:54,728 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-13 14:52:54,728 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-13 14:52:54,730 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-13 14:52:54,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.04 02:52:53" (1/3) ... [2018-04-13 14:52:54,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49e2b89f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 02:52:54, skipping insertion in model container [2018-04-13 14:52:54,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 02:52:54" (2/3) ... [2018-04-13 14:52:54,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49e2b89f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 02:52:54, skipping insertion in model container [2018-04-13 14:52:54,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 02:52:54" (3/3) ... [2018-04-13 14:52:54,732 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0219_true-valid-memsafety.i [2018-04-13 14:52:54,737 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-13 14:52:54,741 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 45 error locations. [2018-04-13 14:52:54,773 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-13 14:52:54,774 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-13 14:52:54,774 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-13 14:52:54,774 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-04-13 14:52:54,774 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-13 14:52:54,774 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-13 14:52:54,774 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-13 14:52:54,774 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-13 14:52:54,774 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-13 14:52:54,775 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-13 14:52:54,783 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states. [2018-04-13 14:52:54,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-04-13 14:52:54,788 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 14:52:54,789 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-04-13 14:52:54,789 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr7RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr2RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 14:52:54,791 INFO L82 PathProgramCache]: Analyzing trace with hash 6843025, 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 [2018-04-13 14:52:54,798 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 14:52:54,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:52:54,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 14:52:54,887 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 14:52:54,887 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-13 14:52:54,888 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 14:52:54,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 14:52:54,889 INFO L182 omatonBuilderFactory]: Interpolants [135#true, 136#false, 137#(= 1 (select |#valid| |~#list~0.base|))] [2018-04-13 14:52:54,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 14:52:54,890 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-13 14:52:54,901 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-13 14:52:54,901 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-13 14:52:54,903 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 3 states. [2018-04-13 14:52:55,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 14:52:55,032 INFO L93 Difference]: Finished difference Result 141 states and 146 transitions. [2018-04-13 14:52:55,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-13 14:52:55,033 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-04-13 14:52:55,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 14:52:55,041 INFO L225 Difference]: With dead ends: 141 [2018-04-13 14:52:55,041 INFO L226 Difference]: Without dead ends: 138 [2018-04-13 14:52:55,043 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-13 14:52:55,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-04-13 14:52:55,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 125. [2018-04-13 14:52:55,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-04-13 14:52:55,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 130 transitions. [2018-04-13 14:52:55,074 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 130 transitions. Word has length 4 [2018-04-13 14:52:55,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 14:52:55,074 INFO L459 AbstractCegarLoop]: Abstraction has 125 states and 130 transitions. [2018-04-13 14:52:55,074 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-13 14:52:55,074 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 130 transitions. [2018-04-13 14:52:55,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-04-13 14:52:55,075 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 14:52:55,075 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-04-13 14:52:55,075 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr7RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr2RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 14:52:55,075 INFO L82 PathProgramCache]: Analyzing trace with hash 6843026, 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 [2018-04-13 14:52:55,077 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 14:52:55,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:52:55,085 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-04-13 14:52:55,089 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 14:52:55,089 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 14:52:55,090 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 14:52:55,091 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 14:52:55,128 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 4) (store |c_#length| %1 4)) :qid itp)) :qid itp)) is different from true [2018-04-13 14:52:55,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 14:52:55,186 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 14:52:55,186 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-13 14:52:55,186 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 14:52:55,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 14:52:55,186 INFO L182 omatonBuilderFactory]: Interpolants [404#true, 405#false, 406#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 4) (store |#length| %1 4)) :qid itp)) :qid itp)), 407#(and (<= (+ |~#list~0.offset| 4) (select |#length| |~#list~0.base|)) (= 4 (select |#length| |~#list~0.base|)) (<= 0 |~#list~0.offset|))] [2018-04-13 14:52:55,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 14:52:55,188 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-13 14:52:55,188 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-13 14:52:55,188 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=4, Unknown=1, NotChecked=2, Total=12 [2018-04-13 14:52:55,188 INFO L87 Difference]: Start difference. First operand 125 states and 130 transitions. Second operand 4 states. [2018-04-13 14:52:55,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 14:52:55,275 INFO L93 Difference]: Finished difference Result 130 states and 137 transitions. [2018-04-13 14:52:55,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-13 14:52:55,276 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-04-13 14:52:55,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 14:52:55,278 INFO L225 Difference]: With dead ends: 130 [2018-04-13 14:52:55,278 INFO L226 Difference]: Without dead ends: 130 [2018-04-13 14:52:55,279 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=4, Unknown=1, NotChecked=2, Total=12 [2018-04-13 14:52:55,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-04-13 14:52:55,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 124. [2018-04-13 14:52:55,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-04-13 14:52:55,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 129 transitions. [2018-04-13 14:52:55,288 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 129 transitions. Word has length 4 [2018-04-13 14:52:55,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 14:52:55,288 INFO L459 AbstractCegarLoop]: Abstraction has 124 states and 129 transitions. [2018-04-13 14:52:55,288 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-13 14:52:55,289 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 129 transitions. [2018-04-13 14:52:55,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-13 14:52:55,289 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 14:52:55,289 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 14:52:55,289 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr7RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr2RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 14:52:55,290 INFO L82 PathProgramCache]: Analyzing trace with hash 2071428562, 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 [2018-04-13 14:52:55,293 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 14:52:55,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:52:55,304 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-04-13 14:52:55,306 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 14:52:55,306 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 14:52:55,306 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 14:52:55,306 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 14:52:55,309 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)) is different from true [2018-04-13 14:52:55,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:52:55,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 14:52:55,352 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 14:52:55,352 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-13 14:52:55,353 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 14:52:55,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 14:52:55,353 INFO L182 omatonBuilderFactory]: Interpolants [672#(and (= |~#list~0.base| |old(~#list~0.base)|) (= |#valid| |old(#valid)|) (= |~#list~0.offset| |old(~#list~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 662#true, 663#false, 669#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 670#(= 1 (select |#valid| |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#t~malloc0.base|)), 671#(= 1 (select |#valid| __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~ptr~0.base))] [2018-04-13 14:52:55,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 14:52:55,353 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-13 14:52:55,354 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-13 14:52:55,354 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-04-13 14:52:55,354 INFO L87 Difference]: Start difference. First operand 124 states and 129 transitions. Second operand 6 states. [2018-04-13 14:52:55,374 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_~#list~0.base| |c_old(~#list~0.base)|) (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)) (= |c_#valid| |c_old(#valid)|) (= |c_~#list~0.offset| |c_old(~#list~0.offset)|) (= |c_#NULL.base| |c_old(#NULL.base)|) (= |c_#NULL.offset| |c_old(#NULL.offset)|) (= |c_#memory_$Pointer$.base| |c_old(#memory_$Pointer$.base)|) (= |c_old(#length)| |c_#length|) (= |c_#memory_$Pointer$.offset| |c_old(#memory_$Pointer$.offset)|)) is different from false [2018-04-13 14:52:55,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 14:52:55,635 INFO L93 Difference]: Finished difference Result 143 states and 150 transitions. [2018-04-13 14:52:55,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-13 14:52:55,636 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2018-04-13 14:52:55,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 14:52:55,637 INFO L225 Difference]: With dead ends: 143 [2018-04-13 14:52:55,637 INFO L226 Difference]: Without dead ends: 143 [2018-04-13 14:52:55,637 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=21, Unknown=2, NotChecked=18, Total=56 [2018-04-13 14:52:55,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-04-13 14:52:55,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 123. [2018-04-13 14:52:55,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-04-13 14:52:55,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 128 transitions. [2018-04-13 14:52:55,643 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 128 transitions. Word has length 15 [2018-04-13 14:52:55,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 14:52:55,644 INFO L459 AbstractCegarLoop]: Abstraction has 123 states and 128 transitions. [2018-04-13 14:52:55,644 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-13 14:52:55,644 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 128 transitions. [2018-04-13 14:52:55,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-13 14:52:55,644 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 14:52:55,644 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 14:52:55,645 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr7RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr2RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 14:52:55,645 INFO L82 PathProgramCache]: Analyzing trace with hash 2071428563, 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 [2018-04-13 14:52:55,652 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 14:52:55,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:52:55,677 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier WARNING: array quantifier [2018-04-13 14:52:55,679 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 14:52:55,679 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 14:52:55,679 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 14:52:55,679 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 14:52:55,728 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 14:52:55,728 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 14:52:55,728 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 14:52:55,729 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 14:52:55,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:52:55,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 14:52:55,858 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 14:52:55,858 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-13 14:52:55,858 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 14:52:55,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 14:52:55,859 INFO L182 omatonBuilderFactory]: Interpolants [944#false, 950#(exists ((%0 (Array Int Int))) (! (and (forall ((%1 Int)) (! (= (store %0 %1 8) (store |#length| %1 8)) :qid itp)) (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~nmemb| 1) (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~size| 8)) :qid itp)), 951#(exists ((%0 (Array Int Int))) (! (and (= (ite (<= (mod (* (mod __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb 4294967296) (mod __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size 4294967296)) 4294967296) 2147483647) (mod (* (mod __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb 4294967296) (mod __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size 4294967296)) 4294967296) (+ (- 4294967296) (mod (* (mod __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb 4294967296) (mod __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size 4294967296)) 4294967296))) 8) (forall ((%1 Int)) (! (= (store %0 %1 8) (store |#length| %1 8)) :qid itp))) :qid itp)), 952#(and (= (mod (* (mod __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb 4294967296) (mod __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size 4294967296)) 4294967296) 8) (= 8 (select |#length| |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#t~malloc0.base|)) (= 0 |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#t~malloc0.offset|)), 953#(and (or (<= (+ __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~ptr~0.offset (mod (* (mod __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb 4294967296) (mod __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size 4294967296)) 4294967296)) (select |#length| __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~ptr~0.base)) (and (< 2147483647 (mod (* (mod __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb 4294967296) (mod __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size 4294967296)) 4294967296)) (<= (+ __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~ptr~0.offset (mod (* (mod __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb 4294967296) (mod __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size 4294967296)) 4294967296)) (+ (select |#length| __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~ptr~0.base) 4294967296)))) (<= 0 __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~ptr~0.offset)), 954#(and (= |~#list~0.base| |old(~#list~0.base)|) (= |#valid| |old(#valid)|) (= |~#list~0.offset| |old(~#list~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 943#true] [2018-04-13 14:52:55,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 14:52:55,859 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-13 14:52:55,859 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-13 14:52:55,859 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=30, Unknown=1, NotChecked=0, Total=42 [2018-04-13 14:52:55,860 INFO L87 Difference]: Start difference. First operand 123 states and 128 transitions. Second operand 7 states. [2018-04-13 14:52:55,935 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_~#list~0.base| |c_old(~#list~0.base)|) (exists ((%0 (Array Int Int))) (! (and (= (let ((.cse0 (mod (* (mod c___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb 4294967296) (mod c___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size 4294967296)) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) 8) (forall ((%1 Int)) (! (= (store %0 %1 8) (store |c_#length| %1 8)) :qid itp))) :qid itp)) (= |c_#valid| |c_old(#valid)|) (exists ((%0 (Array Int Int))) (! (and (forall ((%1 Int)) (! (= (store %0 %1 8) (store |c_#length| %1 8)) :qid itp)) (= |c___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~nmemb| 1) (= |c___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~size| 8)) :qid itp)) (= |c_~#list~0.offset| |c_old(~#list~0.offset)|) (= |c_#NULL.base| |c_old(#NULL.base)|) (= |c_#NULL.offset| |c_old(#NULL.offset)|) (= |c_#memory_$Pointer$.base| |c_old(#memory_$Pointer$.base)|) (= |c_old(#length)| |c_#length|) (= |c_#memory_$Pointer$.offset| |c_old(#memory_$Pointer$.offset)|)) is different from false [2018-04-13 14:52:56,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 14:52:56,280 INFO L93 Difference]: Finished difference Result 148 states and 156 transitions. [2018-04-13 14:52:56,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-13 14:52:56,281 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2018-04-13 14:52:56,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 14:52:56,282 INFO L225 Difference]: With dead ends: 148 [2018-04-13 14:52:56,282 INFO L226 Difference]: Without dead ends: 148 [2018-04-13 14:52:56,282 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=4, NotChecked=14, Total=90 [2018-04-13 14:52:56,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-04-13 14:52:56,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 130. [2018-04-13 14:52:56,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-04-13 14:52:56,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 135 transitions. [2018-04-13 14:52:56,289 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 135 transitions. Word has length 15 [2018-04-13 14:52:56,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 14:52:56,289 INFO L459 AbstractCegarLoop]: Abstraction has 130 states and 135 transitions. [2018-04-13 14:52:56,289 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-13 14:52:56,289 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 135 transitions. [2018-04-13 14:52:56,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-13 14:52:56,290 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 14:52:56,290 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 14:52:56,291 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr7RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr2RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 14:52:56,291 INFO L82 PathProgramCache]: Analyzing trace with hash -1499015409, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-13 14:52:56,294 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 14:52:56,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:52:56,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:52:56,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:52:56,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:52:56,383 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 14:52:56,399 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 14:52:56,400 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-13 14:52:56,400 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 14:52:56,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 14:52:56,400 INFO L182 omatonBuilderFactory]: Interpolants [1266#(or (not (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~size| 8)) (not (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~nmemb| 1))), 1267#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 1268#(= 0 |#Ultimate.C_memset_#t~loopctr19|), 1269#(<= |#Ultimate.C_memset_#amount| 0), 1239#true, 1240#false, 1258#(and (= |~#list~0.base| |old(~#list~0.base)|) (= |#valid| |old(#valid)|) (= |~#list~0.offset| |old(~#list~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 1259#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 1260#(and (or (and (not (= __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb 1)) (not (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~nmemb| 1))) (and (= __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb 1) (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~nmemb| 1))) (or (and (= __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size 8) (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~size| 8)) (and (not (= __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size 8)) (not (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~size| 8)))))] [2018-04-13 14:52:56,400 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 14:52:56,401 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-13 14:52:56,401 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-13 14:52:56,401 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-04-13 14:52:56,401 INFO L87 Difference]: Start difference. First operand 130 states and 135 transitions. Second operand 9 states. [2018-04-13 14:52:56,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 14:52:56,662 INFO L93 Difference]: Finished difference Result 154 states and 160 transitions. [2018-04-13 14:52:56,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-13 14:52:56,663 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 33 [2018-04-13 14:52:56,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 14:52:56,664 INFO L225 Difference]: With dead ends: 154 [2018-04-13 14:52:56,664 INFO L226 Difference]: Without dead ends: 146 [2018-04-13 14:52:56,665 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2018-04-13 14:52:56,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-04-13 14:52:56,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 131. [2018-04-13 14:52:56,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-04-13 14:52:56,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 136 transitions. [2018-04-13 14:52:56,670 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 136 transitions. Word has length 33 [2018-04-13 14:52:56,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 14:52:56,670 INFO L459 AbstractCegarLoop]: Abstraction has 131 states and 136 transitions. [2018-04-13 14:52:56,670 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-13 14:52:56,670 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 136 transitions. [2018-04-13 14:52:56,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-04-13 14:52:56,671 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 14:52:56,671 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 14:52:56,671 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr7RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr2RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 14:52:56,671 INFO L82 PathProgramCache]: Analyzing trace with hash -1790115534, 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 [2018-04-13 14:52:56,678 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 14:52:56,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:52:56,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:52:56,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:52:56,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:52:56,769 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 14:52:56,785 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 14:52:56,786 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-04-13 14:52:56,786 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 14:52:56,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 14:52:56,786 INFO L182 omatonBuilderFactory]: Interpolants [1585#(and (= |~#list~0.base| |old(~#list~0.base)|) (= |#valid| |old(#valid)|) (= |~#list~0.offset| |old(~#list~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 1586#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 1587#(and (or (and (not (= __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb 1)) (not (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~nmemb| 1))) (and (= __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb 1) (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~nmemb| 1))) (or (and (= __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size 8) (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~size| 8)) (and (not (= __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size 8)) (not (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~size| 8))))), 1594#(or (not (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~size| 8)) (not (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~nmemb| 1))), 1595#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 1596#(= 0 |#Ultimate.C_memset_#t~loopctr19|), 1565#true, 1597#(or (and (< |#Ultimate.C_memset_#t~loopctr19| |#Ultimate.C_memset_#amount|) (< 1 |#Ultimate.C_memset_#amount|)) (and (<= |#Ultimate.C_memset_#amount| 1) (<= |#Ultimate.C_memset_#amount| |#Ultimate.C_memset_#t~loopctr19|))), 1566#false, 1598#(<= |#Ultimate.C_memset_#amount| 1)] [2018-04-13 14:52:56,786 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 14:52:56,786 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-13 14:52:56,787 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-13 14:52:56,787 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-04-13 14:52:56,787 INFO L87 Difference]: Start difference. First operand 131 states and 136 transitions. Second operand 10 states. [2018-04-13 14:52:57,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 14:52:57,089 INFO L93 Difference]: Finished difference Result 155 states and 161 transitions. [2018-04-13 14:52:57,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-13 14:52:57,089 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 34 [2018-04-13 14:52:57,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 14:52:57,090 INFO L225 Difference]: With dead ends: 155 [2018-04-13 14:52:57,090 INFO L226 Difference]: Without dead ends: 147 [2018-04-13 14:52:57,090 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2018-04-13 14:52:57,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-04-13 14:52:57,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 132. [2018-04-13 14:52:57,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-04-13 14:52:57,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 137 transitions. [2018-04-13 14:52:57,094 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 137 transitions. Word has length 34 [2018-04-13 14:52:57,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 14:52:57,095 INFO L459 AbstractCegarLoop]: Abstraction has 132 states and 137 transitions. [2018-04-13 14:52:57,095 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-13 14:52:57,095 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 137 transitions. [2018-04-13 14:52:57,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-04-13 14:52:57,095 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 14:52:57,096 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 14:52:57,096 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr7RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr2RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 14:52:57,096 INFO L82 PathProgramCache]: Analyzing trace with hash 2070682479, now seen corresponding path program 2 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 [2018-04-13 14:52:57,099 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 14:52:57,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:52:57,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:52:57,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:52:57,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:52:57,205 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 14:52:57,222 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 14:52:57,222 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-04-13 14:52:57,222 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 14:52:57,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 14:52:57,222 INFO L182 omatonBuilderFactory]: Interpolants [1927#(or (not (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~size| 8)) (not (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~nmemb| 1))), 1896#true, 1928#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 1897#false, 1929#(= 0 |#Ultimate.C_memset_#t~loopctr19|), 1930#(= 1 |#Ultimate.C_memset_#t~loopctr19|), 1931#(= 2 |#Ultimate.C_memset_#t~loopctr19|), 1932#(not (= 8 |#Ultimate.C_memset_#amount|)), 1917#(and (= |~#list~0.base| |old(~#list~0.base)|) (= |#valid| |old(#valid)|) (= |~#list~0.offset| |old(~#list~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 1918#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 1919#(and (or (and (not (= __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb 1)) (not (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~nmemb| 1))) (and (= __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb 1) (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~nmemb| 1))) (or (and (= __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size 8) (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~size| 8)) (and (not (= __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size 8)) (not (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~size| 8)))))] [2018-04-13 14:52:57,223 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 14:52:57,223 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-13 14:52:57,223 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-13 14:52:57,223 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-04-13 14:52:57,223 INFO L87 Difference]: Start difference. First operand 132 states and 137 transitions. Second operand 11 states. [2018-04-13 14:52:57,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 14:52:57,483 INFO L93 Difference]: Finished difference Result 156 states and 162 transitions. [2018-04-13 14:52:57,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-13 14:52:57,483 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 35 [2018-04-13 14:52:57,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 14:52:57,484 INFO L225 Difference]: With dead ends: 156 [2018-04-13 14:52:57,484 INFO L226 Difference]: Without dead ends: 148 [2018-04-13 14:52:57,485 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2018-04-13 14:52:57,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-04-13 14:52:57,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 133. [2018-04-13 14:52:57,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-04-13 14:52:57,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 138 transitions. [2018-04-13 14:52:57,489 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 138 transitions. Word has length 35 [2018-04-13 14:52:57,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 14:52:57,489 INFO L459 AbstractCegarLoop]: Abstraction has 133 states and 138 transitions. [2018-04-13 14:52:57,489 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-13 14:52:57,490 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 138 transitions. [2018-04-13 14:52:57,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-04-13 14:52:57,490 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 14:52:57,490 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 14:52:57,490 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr7RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr2RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 14:52:57,491 INFO L82 PathProgramCache]: Analyzing trace with hash 1496336594, now seen corresponding path program 3 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 [2018-04-13 14:52:57,495 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 14:52:57,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:52:57,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:52:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:52:57,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:52:57,684 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 14:52:57,711 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 14:52:57,712 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-13 14:52:57,712 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 14:52:57,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 14:52:57,712 INFO L182 omatonBuilderFactory]: Interpolants [2256#(and (or (and (not (= __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb 1)) (not (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~nmemb| 1))) (and (= __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb 1) (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~nmemb| 1))) (or (and (= __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size 8) (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~size| 8)) (and (not (= __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size 8)) (not (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~size| 8))))), 2232#true, 2233#false, 2265#(or (not (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~size| 8)) (not (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~nmemb| 1))), 2266#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 2267#(= 0 |#Ultimate.C_memset_#t~loopctr19|), 2268#(= 1 |#Ultimate.C_memset_#t~loopctr19|), 2269#(= |#Ultimate.C_memset_#t~loopctr19| 2), 2254#(and (= |~#list~0.base| |old(~#list~0.base)|) (= |#valid| |old(#valid)|) (= |~#list~0.offset| |old(~#list~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 2270#(= 3 |#Ultimate.C_memset_#t~loopctr19|), 2255#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 2271#(not (= 8 |#Ultimate.C_memset_#amount|))] [2018-04-13 14:52:57,712 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 14:52:57,712 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-13 14:52:57,713 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-13 14:52:57,713 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2018-04-13 14:52:57,713 INFO L87 Difference]: Start difference. First operand 133 states and 138 transitions. Second operand 12 states. [2018-04-13 14:52:58,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 14:52:58,097 INFO L93 Difference]: Finished difference Result 157 states and 163 transitions. [2018-04-13 14:52:58,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-13 14:52:58,098 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 36 [2018-04-13 14:52:58,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 14:52:58,099 INFO L225 Difference]: With dead ends: 157 [2018-04-13 14:52:58,099 INFO L226 Difference]: Without dead ends: 149 [2018-04-13 14:52:58,099 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2018-04-13 14:52:58,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-04-13 14:52:58,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 134. [2018-04-13 14:52:58,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-04-13 14:52:58,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 139 transitions. [2018-04-13 14:52:58,102 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 139 transitions. Word has length 36 [2018-04-13 14:52:58,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 14:52:58,102 INFO L459 AbstractCegarLoop]: Abstraction has 134 states and 139 transitions. [2018-04-13 14:52:58,102 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-13 14:52:58,102 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 139 transitions. [2018-04-13 14:52:58,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-04-13 14:52:58,103 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 14:52:58,103 INFO L355 BasicCegarLoop]: trace histogram [4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 14:52:58,103 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr7RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr2RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 14:52:58,103 INFO L82 PathProgramCache]: Analyzing trace with hash 871483343, now seen corresponding path program 4 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 [2018-04-13 14:52:58,108 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 14:52:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:52:58,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:52:58,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:52:58,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:52:58,206 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 14:52:58,223 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 14:52:58,223 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-04-13 14:52:58,223 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 14:52:58,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 14:52:58,224 INFO L182 omatonBuilderFactory]: Interpolants [2596#(and (= |~#list~0.base| |old(~#list~0.base)|) (= |#valid| |old(#valid)|) (= |~#list~0.offset| |old(~#list~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 2597#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 2598#(and (or (and (not (= __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb 1)) (not (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~nmemb| 1))) (and (= __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb 1) (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~nmemb| 1))) (or (and (= __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size 8) (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~size| 8)) (and (not (= __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size 8)) (not (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~size| 8))))), 2573#true, 2574#false, 2608#(or (not (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~size| 8)) (not (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~nmemb| 1))), 2609#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 2610#(= 0 |#Ultimate.C_memset_#t~loopctr19|), 2611#(= 1 |#Ultimate.C_memset_#t~loopctr19|), 2612#(<= |#Ultimate.C_memset_#t~loopctr19| 2), 2613#(<= |#Ultimate.C_memset_#t~loopctr19| 3), 2614#(<= |#Ultimate.C_memset_#t~loopctr19| 4), 2615#(not (= 8 |#Ultimate.C_memset_#amount|))] [2018-04-13 14:52:58,224 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 14:52:58,224 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-13 14:52:58,224 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-13 14:52:58,224 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2018-04-13 14:52:58,224 INFO L87 Difference]: Start difference. First operand 134 states and 139 transitions. Second operand 13 states. [2018-04-13 14:52:58,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 14:52:58,530 INFO L93 Difference]: Finished difference Result 158 states and 164 transitions. [2018-04-13 14:52:58,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-13 14:52:58,532 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 37 [2018-04-13 14:52:58,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 14:52:58,532 INFO L225 Difference]: With dead ends: 158 [2018-04-13 14:52:58,533 INFO L226 Difference]: Without dead ends: 150 [2018-04-13 14:52:58,533 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2018-04-13 14:52:58,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-04-13 14:52:58,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 135. [2018-04-13 14:52:58,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-04-13 14:52:58,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 140 transitions. [2018-04-13 14:52:58,535 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 140 transitions. Word has length 37 [2018-04-13 14:52:58,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 14:52:58,535 INFO L459 AbstractCegarLoop]: Abstraction has 135 states and 140 transitions. [2018-04-13 14:52:58,535 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-13 14:52:58,535 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 140 transitions. [2018-04-13 14:52:58,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-04-13 14:52:58,536 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 14:52:58,536 INFO L355 BasicCegarLoop]: trace histogram [5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 14:52:58,536 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr7RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr2RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 14:52:58,536 INFO L82 PathProgramCache]: Analyzing trace with hash -1319098254, now seen corresponding path program 5 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 [2018-04-13 14:52:58,540 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 14:52:58,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:52:58,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:52:58,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:52:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:52:58,636 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 14:52:58,651 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 14:52:58,651 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-13 14:52:58,651 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 14:52:58,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 14:52:58,652 INFO L182 omatonBuilderFactory]: Interpolants [2944#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 2945#(and (or (and (not (= __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb 1)) (not (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~nmemb| 1))) (and (= __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb 1) (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~nmemb| 1))) (or (and (= __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size 8) (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~size| 8)) (and (not (= __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size 8)) (not (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~size| 8))))), 2919#true, 2920#false, 2956#(or (not (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~size| 8)) (not (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~nmemb| 1))), 2957#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 2958#(= 0 |#Ultimate.C_memset_#t~loopctr19|), 2959#(= 1 |#Ultimate.C_memset_#t~loopctr19|), 2960#(= |#Ultimate.C_memset_#t~loopctr19| 2), 2961#(<= |#Ultimate.C_memset_#t~loopctr19| 3), 2962#(<= |#Ultimate.C_memset_#t~loopctr19| 4), 2963#(<= |#Ultimate.C_memset_#t~loopctr19| 5), 2964#(not (= 8 |#Ultimate.C_memset_#amount|)), 2943#(and (= |~#list~0.base| |old(~#list~0.base)|) (= |#valid| |old(#valid)|) (= |~#list~0.offset| |old(~#list~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))] [2018-04-13 14:52:58,652 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 14:52:58,652 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-13 14:52:58,652 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-13 14:52:58,652 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2018-04-13 14:52:58,652 INFO L87 Difference]: Start difference. First operand 135 states and 140 transitions. Second operand 14 states. [2018-04-13 14:52:58,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 14:52:58,894 INFO L93 Difference]: Finished difference Result 159 states and 165 transitions. [2018-04-13 14:52:58,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-13 14:52:58,894 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 38 [2018-04-13 14:52:58,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 14:52:58,895 INFO L225 Difference]: With dead ends: 159 [2018-04-13 14:52:58,895 INFO L226 Difference]: Without dead ends: 151 [2018-04-13 14:52:58,895 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2018-04-13 14:52:58,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-04-13 14:52:58,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 136. [2018-04-13 14:52:58,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-04-13 14:52:58,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 141 transitions. [2018-04-13 14:52:58,899 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 141 transitions. Word has length 38 [2018-04-13 14:52:58,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 14:52:58,899 INFO L459 AbstractCegarLoop]: Abstraction has 136 states and 141 transitions. [2018-04-13 14:52:58,899 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-13 14:52:58,899 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 141 transitions. [2018-04-13 14:52:58,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-04-13 14:52:58,900 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 14:52:58,900 INFO L355 BasicCegarLoop]: trace histogram [6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 14:52:58,900 INFO L408 AbstractCegarLoop]: === Iteration 11 === [__U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr7RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr2RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 14:52:58,900 INFO L82 PathProgramCache]: Analyzing trace with hash -507651025, now seen corresponding path program 6 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 [2018-04-13 14:52:58,903 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 14:52:58,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:52:58,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:52:58,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:52:59,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:52:59,046 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 14:52:59,063 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 14:52:59,063 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-04-13 14:52:59,063 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 14:52:59,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 14:52:59,063 INFO L182 omatonBuilderFactory]: Interpolants [3296#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 3297#(and (or (and (not (= __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb 1)) (not (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~nmemb| 1))) (and (= __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb 1) (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~nmemb| 1))) (or (and (= __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size 8) (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~size| 8)) (and (not (= __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size 8)) (not (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~size| 8))))), 3270#true, 3271#false, 3309#(or (not (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~size| 8)) (not (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~nmemb| 1))), 3310#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 3311#(= 0 |#Ultimate.C_memset_#t~loopctr19|), 3312#(= 1 |#Ultimate.C_memset_#t~loopctr19|), 3313#(= |#Ultimate.C_memset_#t~loopctr19| 2), 3314#(<= |#Ultimate.C_memset_#t~loopctr19| 3), 3315#(<= |#Ultimate.C_memset_#t~loopctr19| 4), 3316#(<= |#Ultimate.C_memset_#t~loopctr19| 5), 3317#(<= |#Ultimate.C_memset_#t~loopctr19| 6), 3318#(not (= 8 |#Ultimate.C_memset_#amount|)), 3295#(and (= |~#list~0.base| |old(~#list~0.base)|) (= |#valid| |old(#valid)|) (= |~#list~0.offset| |old(~#list~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))] [2018-04-13 14:52:59,063 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 14:52:59,063 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-13 14:52:59,064 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-13 14:52:59,064 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2018-04-13 14:52:59,064 INFO L87 Difference]: Start difference. First operand 136 states and 141 transitions. Second operand 15 states. [2018-04-13 14:52:59,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 14:52:59,357 INFO L93 Difference]: Finished difference Result 160 states and 166 transitions. [2018-04-13 14:52:59,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-13 14:52:59,357 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 39 [2018-04-13 14:52:59,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 14:52:59,358 INFO L225 Difference]: With dead ends: 160 [2018-04-13 14:52:59,358 INFO L226 Difference]: Without dead ends: 152 [2018-04-13 14:52:59,359 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2018-04-13 14:52:59,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-04-13 14:52:59,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 137. [2018-04-13 14:52:59,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-04-13 14:52:59,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 142 transitions. [2018-04-13 14:52:59,362 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 142 transitions. Word has length 39 [2018-04-13 14:52:59,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 14:52:59,362 INFO L459 AbstractCegarLoop]: Abstraction has 137 states and 142 transitions. [2018-04-13 14:52:59,362 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-13 14:52:59,362 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 142 transitions. [2018-04-13 14:52:59,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-04-13 14:52:59,362 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 14:52:59,363 INFO L355 BasicCegarLoop]: trace histogram [7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 14:52:59,363 INFO L408 AbstractCegarLoop]: === Iteration 12 === [__U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr7RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr2RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 14:52:59,363 INFO L82 PathProgramCache]: Analyzing trace with hash -1122590702, now seen corresponding path program 7 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-13 14:52:59,365 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 14:52:59,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:52:59,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:52:59,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:52:59,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:52:59,470 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 14:52:59,486 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 14:52:59,486 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-04-13 14:52:59,487 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 14:52:59,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 14:52:59,487 INFO L182 omatonBuilderFactory]: Interpolants [3652#(and (= |~#list~0.base| |old(~#list~0.base)|) (= |#valid| |old(#valid)|) (= |~#list~0.offset| |old(~#list~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 3653#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 3654#(and (or (and (not (= __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb 1)) (not (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~nmemb| 1))) (and (= __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb 1) (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~nmemb| 1))) (or (and (= __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size 8) (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~size| 8)) (and (not (= __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size 8)) (not (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~size| 8))))), 3626#true, 3627#false, 3667#(or (not (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~size| 8)) (not (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~nmemb| 1))), 3668#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 3669#(= 0 |#Ultimate.C_memset_#t~loopctr19|), 3670#(= 1 |#Ultimate.C_memset_#t~loopctr19|), 3671#(= |#Ultimate.C_memset_#t~loopctr19| 2), 3672#(<= |#Ultimate.C_memset_#t~loopctr19| 3), 3673#(<= |#Ultimate.C_memset_#t~loopctr19| 4), 3674#(<= |#Ultimate.C_memset_#t~loopctr19| 5), 3675#(<= |#Ultimate.C_memset_#t~loopctr19| 6), 3676#(<= |#Ultimate.C_memset_#t~loopctr19| 7), 3677#(not (= 8 |#Ultimate.C_memset_#amount|))] [2018-04-13 14:52:59,487 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 14:52:59,487 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-13 14:52:59,487 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-13 14:52:59,487 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2018-04-13 14:52:59,488 INFO L87 Difference]: Start difference. First operand 137 states and 142 transitions. Second operand 16 states. [2018-04-13 14:53:00,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 14:53:00,151 INFO L93 Difference]: Finished difference Result 161 states and 167 transitions. [2018-04-13 14:53:00,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-13 14:53:00,152 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 40 [2018-04-13 14:53:00,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 14:53:00,152 INFO L225 Difference]: With dead ends: 161 [2018-04-13 14:53:00,152 INFO L226 Difference]: Without dead ends: 153 [2018-04-13 14:53:00,153 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=333, Unknown=0, NotChecked=0, Total=420 [2018-04-13 14:53:00,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-04-13 14:53:00,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 138. [2018-04-13 14:53:00,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-04-13 14:53:00,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 143 transitions. [2018-04-13 14:53:00,156 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 143 transitions. Word has length 40 [2018-04-13 14:53:00,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 14:53:00,156 INFO L459 AbstractCegarLoop]: Abstraction has 138 states and 143 transitions. [2018-04-13 14:53:00,156 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-13 14:53:00,156 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 143 transitions. [2018-04-13 14:53:00,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-04-13 14:53:00,156 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 14:53:00,156 INFO L355 BasicCegarLoop]: trace histogram [8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 14:53:00,157 INFO L408 AbstractCegarLoop]: === Iteration 13 === [__U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr7RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr2RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 14:53:00,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1289115791, now seen corresponding path program 8 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-13 14:53:00,160 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 14:53:00,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:53:00,177 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier WARNING: array quantifier [2018-04-13 14:53:00,178 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 14:53:00,179 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 14:53:00,179 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 14:53:00,179 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 14:53:00,190 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 14:53:00,190 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 14:53:00,191 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 14:53:00,191 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 14:53:00,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:53:00,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:53:00,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:53:00,284 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-04-13 14:53:00,305 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 14:53:00,305 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-04-13 14:53:00,305 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 14:53:00,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 14:53:00,305 INFO L182 omatonBuilderFactory]: Interpolants [4016#(and (= (mod (* (mod __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb 4294967296) (mod __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size 4294967296)) 4294967296) 8) (= 8 (select |#length| |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#t~malloc0.base|)) (= 0 |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#t~malloc0.offset|)), 4033#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 4017#(and (or (<= (+ __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~ptr~0.offset (mod (* (mod __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb 4294967296) (mod __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size 4294967296)) 4294967296)) (select |#length| __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~ptr~0.base)) (and (< 2147483647 (mod (* (mod __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb 4294967296) (mod __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size 4294967296)) 4294967296)) (<= (+ __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~ptr~0.offset (mod (* (mod __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb 4294967296) (mod __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size 4294967296)) 4294967296)) (+ (select |#length| __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~ptr~0.base) 4294967296)))) (<= 0 __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~ptr~0.offset)), 4018#(and (= |~#list~0.base| |old(~#list~0.base)|) (= |#valid| |old(#valid)|) (= |~#list~0.offset| |old(~#list~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 3987#true, 4019#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 3988#false, 4014#(exists ((%0 (Array Int Int))) (! (and (forall ((%1 Int)) (! (= (store %0 %1 8) (store |#length| %1 8)) :qid itp)) (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~nmemb| 1) (= |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#in~size| 8)) :qid itp)), 4015#(exists ((%0 (Array Int Int))) (! (and (= (ite (<= (mod (* (mod __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb 4294967296) (mod __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size 4294967296)) 4294967296) 2147483647) (mod (* (mod __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb 4294967296) (mod __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size 4294967296)) 4294967296) (+ (- 4294967296) (mod (* (mod __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb 4294967296) (mod __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size 4294967296)) 4294967296))) 8) (forall ((%1 Int)) (! (= (store %0 %1 8) (store |#length| %1 8)) :qid itp))) :qid itp))] [2018-04-13 14:53:00,305 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-04-13 14:53:00,305 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-13 14:53:00,306 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-13 14:53:00,306 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=53, Unknown=1, NotChecked=0, Total=72 [2018-04-13 14:53:00,306 INFO L87 Difference]: Start difference. First operand 138 states and 143 transitions. Second operand 9 states. [2018-04-13 14:53:00,371 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_~#list~0.base| |c_old(~#list~0.base)|) (exists ((%0 (Array Int Int))) (! (and (= (let ((.cse0 (mod (* (mod c___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~nmemb 4294967296) (mod c___U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~size 4294967296)) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) 8) (forall ((%1 Int)) (! (= (store %0 %1 8) (store |c_#length| %1 8)) :qid itp))) :qid itp)) (= |c_#valid| |c_old(#valid)|) (= |c_~#list~0.offset| |c_old(~#list~0.offset)|) (= |c_#NULL.base| |c_old(#NULL.base)|) (= |c_#NULL.offset| |c_old(#NULL.offset)|) (= |c_#memory_$Pointer$.base| |c_old(#memory_$Pointer$.base)|) (= |c_old(#length)| |c_#length|) (= |c_#memory_$Pointer$.offset| |c_old(#memory_$Pointer$.offset)|)) is different from false [2018-04-13 14:53:00,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 14:53:00,572 INFO L93 Difference]: Finished difference Result 152 states and 158 transitions. [2018-04-13 14:53:00,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-13 14:53:00,573 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 41 [2018-04-13 14:53:00,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 14:53:00,573 INFO L225 Difference]: With dead ends: 152 [2018-04-13 14:53:00,573 INFO L226 Difference]: Without dead ends: 152 [2018-04-13 14:53:00,574 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=79, Unknown=5, NotChecked=18, Total=132 [2018-04-13 14:53:00,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-04-13 14:53:00,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 137. [2018-04-13 14:53:00,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-04-13 14:53:00,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 142 transitions. [2018-04-13 14:53:00,577 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 142 transitions. Word has length 41 [2018-04-13 14:53:00,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 14:53:00,577 INFO L459 AbstractCegarLoop]: Abstraction has 137 states and 142 transitions. [2018-04-13 14:53:00,577 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-13 14:53:00,577 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 142 transitions. [2018-04-13 14:53:00,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-04-13 14:53:00,578 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 14:53:00,578 INFO L355 BasicCegarLoop]: trace histogram [16, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 14:53:00,578 INFO L408 AbstractCegarLoop]: === Iteration 14 === [__U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr7RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr2RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 14:53:00,578 INFO L82 PathProgramCache]: Analyzing trace with hash 1961356555, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-13 14:53:00,588 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 14:53:00,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:53:00,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:53:00,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:53:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:53:00,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:53:00,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:53:00,668 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-04-13 14:53:00,684 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 14:53:00,685 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-13 14:53:00,685 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 14:53:00,685 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-04-13 14:53:00,685 INFO L182 omatonBuilderFactory]: Interpolants [4407#(= 1 (select |#valid| __U_MULTI_ftest______true_valid_memsafety_i__calloc_model_~ptr~0.base)), 4408#(= 1 (select |#valid| |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#res.base|)), 4376#(= 1 (select |#valid| |__U_MULTI_ftest______true_valid_memsafety_i__l2_insert_#t~ret2.base|)), 4329#true, 4393#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 4409#(= 1 (select |#valid| |#Ultimate.C_memset_#ptr.base|)), 4377#(= 1 (select |#valid| __U_MULTI_ftest______true_valid_memsafety_i__l2_insert_~item~0.base)), 4330#false, 4378#(and (= |~#list~0.base| |old(~#list~0.base)|) (= |#valid| |old(#valid)|) (= |~#list~0.offset| |old(~#list~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 4379#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))] [2018-04-13 14:53:00,685 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-04-13 14:53:00,685 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-13 14:53:00,685 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-13 14:53:00,685 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-04-13 14:53:00,685 INFO L87 Difference]: Start difference. First operand 137 states and 142 transitions. Second operand 10 states. [2018-04-13 14:53:00,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 14:53:00,864 INFO L93 Difference]: Finished difference Result 149 states and 155 transitions. [2018-04-13 14:53:00,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-13 14:53:00,864 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 61 [2018-04-13 14:53:00,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 14:53:00,865 INFO L225 Difference]: With dead ends: 149 [2018-04-13 14:53:00,865 INFO L226 Difference]: Without dead ends: 149 [2018-04-13 14:53:00,865 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2018-04-13 14:53:00,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-04-13 14:53:00,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 134. [2018-04-13 14:53:00,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-04-13 14:53:00,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 139 transitions. [2018-04-13 14:53:00,869 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 139 transitions. Word has length 61 [2018-04-13 14:53:00,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 14:53:00,869 INFO L459 AbstractCegarLoop]: Abstraction has 134 states and 139 transitions. [2018-04-13 14:53:00,869 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-13 14:53:00,869 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 139 transitions. [2018-04-13 14:53:00,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-04-13 14:53:00,870 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 14:53:00,870 INFO L355 BasicCegarLoop]: trace histogram [16, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 14:53:00,870 INFO L408 AbstractCegarLoop]: === Iteration 15 === [__U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr7RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_insertErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr3RequiresViolation, __U_MULTI_ftest______true_valid_memsafety_i__l2_destroyErr2RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-04-13 14:53:00,870 INFO L82 PathProgramCache]: Analyzing trace with hash 1961356556, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-13 14:53:00,873 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 14:53:00,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 14:53:00,908 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: Unsupported proof rule: (let ((a!1 (= (+ 0 (* (- 1) (select |#length_59| |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#t~malloc0.base_38|))) (* (- 1) (select |#length_59| |__U_MULTI_ftest______true_valid_memsafety_i__calloc_model_#t~malloc0.base_38|))))) (rewrite a!1)) [2018-04-13 14:53:00,908 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 302 column 1033: 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) [2018-04-13 14:53:00,910 INFO L168 Benchmark]: Toolchain (without parser) took 7002.65 ms. Allocated memory was 399.0 MB in the beginning and 756.0 MB in the end (delta: 357.0 MB). Free memory was 333.8 MB in the beginning and 605.4 MB in the end (delta: -271.6 MB). Peak memory consumption was 85.5 MB. Max. memory is 5.3 GB. [2018-04-13 14:53:00,911 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 399.0 MB. Free memory is still 359.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-13 14:53:00,911 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.21 ms. Allocated memory is still 399.0 MB. Free memory was 333.8 MB in the beginning and 296.8 MB in the end (delta: 37.0 MB). Peak memory consumption was 37.0 MB. Max. memory is 5.3 GB. [2018-04-13 14:53:00,912 INFO L168 Benchmark]: Boogie Preprocessor took 42.53 ms. Allocated memory is still 399.0 MB. Free memory was 296.8 MB in the beginning and 294.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-13 14:53:00,912 INFO L168 Benchmark]: RCFGBuilder took 494.32 ms. Allocated memory was 399.0 MB in the beginning and 606.1 MB in the end (delta: 207.1 MB). Free memory was 294.2 MB in the beginning and 516.3 MB in the end (delta: -222.1 MB). Peak memory consumption was 23.3 MB. Max. memory is 5.3 GB. [2018-04-13 14:53:00,912 INFO L168 Benchmark]: TraceAbstraction took 6181.88 ms. Allocated memory was 606.1 MB in the beginning and 756.0 MB in the end (delta: 149.9 MB). Free memory was 513.6 MB in the beginning and 605.4 MB in the end (delta: -91.8 MB). Peak memory consumption was 58.2 MB. Max. memory is 5.3 GB. [2018-04-13 14:53:00,914 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 399.0 MB. Free memory is still 359.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 281.21 ms. Allocated memory is still 399.0 MB. Free memory was 333.8 MB in the beginning and 296.8 MB in the end (delta: 37.0 MB). Peak memory consumption was 37.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 42.53 ms. Allocated memory is still 399.0 MB. Free memory was 296.8 MB in the beginning and 294.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 494.32 ms. Allocated memory was 399.0 MB in the beginning and 606.1 MB in the end (delta: 207.1 MB). Free memory was 294.2 MB in the beginning and 516.3 MB in the end (delta: -222.1 MB). Peak memory consumption was 23.3 MB. Max. memory is 5.3 GB. * TraceAbstraction took 6181.88 ms. Allocated memory was 606.1 MB in the beginning and 756.0 MB in the end (delta: 149.9 MB). Free memory was 513.6 MB in the beginning and 605.4 MB in the end (delta: -91.8 MB). Peak memory consumption was 58.2 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 302 column 1033: theory not supported by interpolation or bad proof de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 302 column 1033: 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-0219_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-13_14-53-00-926.csv Received shutdown request...