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-0220_false-valid-memtrack.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 18:17:02,241 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 18:17:02,242 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 18:17:02,257 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 18:17:02,258 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 18:17:02,258 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 18:17:02,260 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 18:17:02,262 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 18:17:02,264 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 18:17:02,265 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 18:17:02,266 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 18:17:02,266 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 18:17:02,267 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 18:17:02,268 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 18:17:02,269 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 18:17:02,271 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 18:17:02,273 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 18:17:02,275 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 18:17:02,276 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 18:17:02,277 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 18:17:02,279 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-11 18:17:02,279 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-11 18:17:02,280 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-11 18:17:02,281 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-11 18:17:02,281 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-11 18:17:02,283 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-11 18:17:02,283 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-11 18:17:02,283 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-11 18:17:02,284 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-11 18:17:02,284 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 18:17:02,285 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 18:17:02,285 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf [2018-04-11 18:17:02,312 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 18:17:02,313 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 18:17:02,314 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 18:17:02,314 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 18:17:02,314 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 18:17:02,314 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 18:17:02,315 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 18:17:02,315 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 18:17:02,315 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 18:17:02,315 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 18:17:02,315 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 18:17:02,315 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 18:17:02,315 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 18:17:02,316 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 18:17:02,316 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 18:17:02,316 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 18:17:02,316 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 18:17:02,316 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 18:17:02,316 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 18:17:02,316 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 18:17:02,316 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 18:17:02,316 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-04-11 18:17:02,317 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-04-11 18:17:02,317 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-11 18:17:02,344 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 18:17:02,353 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 18:17:02,356 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 18:17:02,357 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 18:17:02,357 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 18:17:02,358 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,680 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG46e763526 [2018-04-11 18:17:02,830 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 18:17:02,830 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 18:17:02,831 INFO L168 CDTParser]: Scanning test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,838 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 18:17:02,838 INFO L215 ultiparseSymbolTable]: [2018-04-11 18:17:02,838 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 18:17:02,838 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest______false_valid_memtrack_i__l2_insert ('l2_insert') in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,839 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,839 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest______false_valid_memtrack_i__calloc_model ('calloc_model') in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,839 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest______false_valid_memtrack_i__l1_insert ('l1_insert') in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,839 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest______false_valid_memtrack_i__l2_destroy ('l2_destroy') in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,839 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 18:17:02,839 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__u_char in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,839 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__ulong in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,839 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____u_long in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,840 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____pthread_list_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,840 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__pthread_barrierattr_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,840 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____int16_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,840 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__sigset_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,840 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____locale_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,840 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__daddr_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,840 INFO L230 ultiparseSymbolTable]: Global variable declaration of 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[2018-04-11 18:17:02,842 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____daddr_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,842 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__mode_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,842 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____key_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,842 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__dev_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,842 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__int64_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,842 INFO L230 ultiparseSymbolTable]: Global variable declaration of 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test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,843 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____blkcnt_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,843 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__fsid_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,843 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____u_int in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,843 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____loff_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,843 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__time_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,843 INFO L230 ultiparseSymbolTable]: Global variable 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variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__ldiv_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,844 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____fsfilcnt_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,844 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____uint8_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,844 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__u_quad_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,844 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__loff_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,844 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____time_t in 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test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____ssize_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____sig_atomic_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____intptr_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__pid_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__int32_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__fsfilcnt_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__id_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__ssize_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____uint64_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____blkcnt64_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__gid_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,846 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____uid_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,847 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__u_short in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,847 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__nlink_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,847 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__uint in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,847 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____clockid_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,847 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__clockid_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,847 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__pthread_spinlock_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,847 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__u_int16_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,847 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__div_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,847 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__caddr_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,847 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____int32_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,847 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__fsblkcnt_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,847 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__u_int in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,848 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____rlim_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,848 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____uint32_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,848 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__u_int8_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,848 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__uid_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,848 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__key_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,848 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__size_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,848 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__pthread_cond_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,848 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____fd_mask in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,848 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__quad_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,848 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____u_char in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,848 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____gid_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,848 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____u_quad_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,849 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__pthread_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,849 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__int16_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,849 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__lldiv_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,849 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____id_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,849 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__pthread_attr_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,849 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__pthread_barrier_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,849 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__wchar_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,849 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____timer_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,849 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i__pthread_mutexattr_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,849 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____pid_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,849 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____quad_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,850 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____fsblkcnt64_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,850 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____off64_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,850 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_i____suseconds_t in test-0220_false-valid-memtrack.i [2018-04-11 18:17:02,865 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG46e763526 [2018-04-11 18:17:02,869 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 18:17:02,870 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 18:17:02,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 18:17:02,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 18:17:02,875 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 18:17:02,876 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 06:17:02" (1/1) ... [2018-04-11 18:17:02,877 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c3622a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:17:02, skipping insertion in model container [2018-04-11 18:17:02,878 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 06:17:02" (1/1) ... [2018-04-11 18:17:02,888 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 18:17:02,906 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 18:17:03,021 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 18:17:03,059 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 18:17:03,065 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 162 non ball SCCs. Number of states in SCCs 162. [2018-04-11 18:17:03,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:17:03 WrapperNode [2018-04-11 18:17:03,115 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 18:17:03,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 18:17:03,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 18:17:03,116 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 18:17:03,124 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:17:03" (1/1) ... [2018-04-11 18:17:03,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:17:03" (1/1) ... [2018-04-11 18:17:03,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:17:03" (1/1) ... [2018-04-11 18:17:03,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:17:03" (1/1) ... [2018-04-11 18:17:03,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:17:03" (1/1) ... [2018-04-11 18:17:03,153 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:17:03" (1/1) ... [2018-04-11 18:17:03,156 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:17:03" (1/1) ... [2018-04-11 18:17:03,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 18:17:03,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 18:17:03,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 18:17:03,161 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 18:17:03,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:17:03" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 18:17:03,255 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 18:17:03,255 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 18:17:03,255 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest______false_valid_memtrack_i__calloc_model [2018-04-11 18:17:03,255 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest______false_valid_memtrack_i__l2_insert [2018-04-11 18:17:03,255 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest______false_valid_memtrack_i__l2_destroy [2018-04-11 18:17:03,255 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest______false_valid_memtrack_i__l1_insert [2018-04-11 18:17:03,255 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 18:17:03,255 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-04-11 18:17:03,255 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-11 18:17:03,256 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 18:17:03,256 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 18:17:03,256 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 18:17:03,256 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 18:17:03,256 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 18:17:03,256 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 18:17:03,256 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 18:17:03,256 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 18:17:03,256 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 18:17:03,256 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 18:17:03,256 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 18:17:03,257 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 18:17:03,257 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 18:17:03,257 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 18:17:03,257 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 18:17:03,257 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 18:17:03,257 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 18:17:03,257 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 18:17:03,257 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 18:17:03,257 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 18:17:03,257 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 18:17:03,257 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 18:17:03,258 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 18:17:03,258 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 18:17:03,258 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 18:17:03,258 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 18:17:03,258 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 18:17:03,258 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 18:17:03,258 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 18:17:03,258 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 18:17:03,258 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 18:17:03,258 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 18:17:03,259 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 18:17:03,259 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 18:17:03,259 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 18:17:03,259 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 18:17:03,259 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 18:17:03,259 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 18:17:03,259 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 18:17:03,259 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 18:17:03,259 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 18:17:03,259 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 18:17:03,260 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 18:17:03,260 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 18:17:03,260 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 18:17:03,260 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 18:17:03,260 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 18:17:03,260 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 18:17:03,260 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 18:17:03,260 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 18:17:03,260 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 18:17:03,260 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 18:17:03,260 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 18:17:03,260 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 18:17:03,261 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 18:17:03,261 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 18:17:03,261 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 18:17:03,261 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 18:17:03,261 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 18:17:03,261 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 18:17:03,261 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 18:17:03,261 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 18:17:03,261 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 18:17:03,261 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 18:17:03,261 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-11 18:17:03,261 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 18:17:03,262 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 18:17:03,262 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 18:17:03,262 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 18:17:03,262 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 18:17:03,262 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 18:17:03,262 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 18:17:03,262 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 18:17:03,262 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 18:17:03,262 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 18:17:03,262 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 18:17:03,262 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 18:17:03,262 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 18:17:03,262 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 18:17:03,262 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 18:17:03,262 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 18:17:03,262 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 18:17:03,262 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 18:17:03,262 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 18:17:03,262 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 18:17:03,263 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 18:17:03,263 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 18:17:03,263 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 18:17:03,263 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 18:17:03,263 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 18:17:03,263 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 18:17:03,263 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 18:17:03,263 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 18:17:03,263 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 18:17:03,263 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 18:17:03,263 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 18:17:03,264 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 18:17:03,264 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 18:17:03,264 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 18:17:03,264 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 18:17:03,264 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 18:17:03,264 INFO L128 BoogieDeclarations]: Found specification of procedure memcpy [2018-04-11 18:17:03,264 INFO L128 BoogieDeclarations]: Found specification of procedure memmove [2018-04-11 18:17:03,264 INFO L128 BoogieDeclarations]: Found specification of procedure memccpy [2018-04-11 18:17:03,264 INFO L128 BoogieDeclarations]: Found specification of procedure memset [2018-04-11 18:17:03,264 INFO L128 BoogieDeclarations]: Found specification of procedure memcmp [2018-04-11 18:17:03,264 INFO L128 BoogieDeclarations]: Found specification of procedure memchr [2018-04-11 18:17:03,264 INFO L128 BoogieDeclarations]: Found specification of procedure strcpy [2018-04-11 18:17:03,265 INFO L128 BoogieDeclarations]: Found specification of procedure strncpy [2018-04-11 18:17:03,265 INFO L128 BoogieDeclarations]: Found specification of procedure strcat [2018-04-11 18:17:03,265 INFO L128 BoogieDeclarations]: Found specification of procedure strncat [2018-04-11 18:17:03,265 INFO L128 BoogieDeclarations]: Found specification of procedure strcmp [2018-04-11 18:17:03,265 INFO L128 BoogieDeclarations]: Found specification of procedure strncmp [2018-04-11 18:17:03,265 INFO L128 BoogieDeclarations]: Found specification of procedure strcoll [2018-04-11 18:17:03,265 INFO L128 BoogieDeclarations]: Found specification of procedure strxfrm [2018-04-11 18:17:03,265 INFO L128 BoogieDeclarations]: Found specification of procedure strcoll_l [2018-04-11 18:17:03,265 INFO L128 BoogieDeclarations]: Found specification of procedure strxfrm_l [2018-04-11 18:17:03,265 INFO L128 BoogieDeclarations]: Found specification of procedure strdup [2018-04-11 18:17:03,266 INFO L128 BoogieDeclarations]: Found specification of procedure strndup [2018-04-11 18:17:03,266 INFO L128 BoogieDeclarations]: Found specification of procedure strchr [2018-04-11 18:17:03,266 INFO L128 BoogieDeclarations]: Found specification of procedure strrchr [2018-04-11 18:17:03,266 INFO L128 BoogieDeclarations]: Found specification of procedure strcspn [2018-04-11 18:17:03,266 INFO L128 BoogieDeclarations]: Found specification of procedure strspn [2018-04-11 18:17:03,266 INFO L128 BoogieDeclarations]: Found specification of procedure strpbrk [2018-04-11 18:17:03,266 INFO L128 BoogieDeclarations]: Found specification of procedure strstr [2018-04-11 18:17:03,266 INFO L128 BoogieDeclarations]: Found specification of procedure strtok [2018-04-11 18:17:03,266 INFO L128 BoogieDeclarations]: Found specification of procedure __strtok_r [2018-04-11 18:17:03,266 INFO L128 BoogieDeclarations]: Found specification of procedure strtok_r [2018-04-11 18:17:03,266 INFO L128 BoogieDeclarations]: Found specification of procedure strlen [2018-04-11 18:17:03,267 INFO L128 BoogieDeclarations]: Found specification of procedure strnlen [2018-04-11 18:17:03,267 INFO L128 BoogieDeclarations]: Found specification of procedure strerror [2018-04-11 18:17:03,267 INFO L128 BoogieDeclarations]: Found specification of procedure strerror_r [2018-04-11 18:17:03,267 INFO L128 BoogieDeclarations]: Found specification of procedure strerror_l [2018-04-11 18:17:03,267 INFO L128 BoogieDeclarations]: Found specification of procedure __bzero [2018-04-11 18:17:03,267 INFO L128 BoogieDeclarations]: Found specification of procedure bcopy [2018-04-11 18:17:03,267 INFO L128 BoogieDeclarations]: Found specification of procedure bzero [2018-04-11 18:17:03,267 INFO L128 BoogieDeclarations]: Found specification of procedure bcmp [2018-04-11 18:17:03,267 INFO L128 BoogieDeclarations]: Found specification of procedure index [2018-04-11 18:17:03,267 INFO L128 BoogieDeclarations]: Found specification of procedure rindex [2018-04-11 18:17:03,267 INFO L128 BoogieDeclarations]: Found specification of procedure ffs [2018-04-11 18:17:03,267 INFO L128 BoogieDeclarations]: Found specification of procedure strcasecmp [2018-04-11 18:17:03,267 INFO L128 BoogieDeclarations]: Found specification of procedure strncasecmp [2018-04-11 18:17:03,267 INFO L128 BoogieDeclarations]: Found specification of procedure strsep [2018-04-11 18:17:03,267 INFO L128 BoogieDeclarations]: Found specification of procedure strsignal [2018-04-11 18:17:03,267 INFO L128 BoogieDeclarations]: Found specification of procedure __stpcpy [2018-04-11 18:17:03,267 INFO L128 BoogieDeclarations]: Found specification of procedure stpcpy [2018-04-11 18:17:03,267 INFO L128 BoogieDeclarations]: Found specification of procedure __stpncpy [2018-04-11 18:17:03,267 INFO L128 BoogieDeclarations]: Found specification of procedure stpncpy [2018-04-11 18:17:03,268 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest______false_valid_memtrack_i__calloc_model [2018-04-11 18:17:03,268 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 18:17:03,268 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-04-11 18:17:03,268 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 18:17:03,268 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest______false_valid_memtrack_i__l2_insert [2018-04-11 18:17:03,268 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-11 18:17:03,268 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-11 18:17:03,268 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest______false_valid_memtrack_i__l2_destroy [2018-04-11 18:17:03,268 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 18:17:03,268 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest______false_valid_memtrack_i__l1_insert [2018-04-11 18:17:03,269 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 18:17:03,269 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 18:17:03,269 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 18:17:03,587 WARN L446 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-04-11 18:17:03,687 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 18:17:03,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 06:17:03 BoogieIcfgContainer [2018-04-11 18:17:03,687 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 18:17:03,688 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 18:17:03,688 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 18:17:03,690 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 18:17:03,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 06:17:02" (1/3) ... [2018-04-11 18:17:03,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76f80fb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 06:17:03, skipping insertion in model container [2018-04-11 18:17:03,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:17:03" (2/3) ... [2018-04-11 18:17:03,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76f80fb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 06:17:03, skipping insertion in model container [2018-04-11 18:17:03,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 06:17:03" (3/3) ... [2018-04-11 18:17:03,691 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0220_false-valid-memtrack.i [2018-04-11 18:17:03,697 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-11 18:17:03,702 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 45 error locations. [2018-04-11 18:17:03,732 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 18:17:03,732 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 18:17:03,733 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 18:17:03,733 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-04-11 18:17:03,733 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-11 18:17:03,733 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 18:17:03,733 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 18:17:03,733 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 18:17:03,733 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 18:17:03,734 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 18:17:03,742 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states. [2018-04-11 18:17:03,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-04-11 18:17:03,747 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:17:03,747 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-04-11 18:17:03,747 INFO L408 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr2AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr3AssertViolationMEMORY_FREE, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr7RequiresViolation]=== [2018-04-11 18:17:03,750 INFO L82 PathProgramCache]: Analyzing trace with hash 6909556, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:17:03,757 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:17:03,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:03,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:17:03,841 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:17:03,842 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-11 18:17:03,843 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:17:03,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:17:03,844 INFO L182 omatonBuilderFactory]: Interpolants [135#true, 136#false, 137#(= 1 (select |#valid| |~#list~0.base|))] [2018-04-11 18:17:03,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:17:03,845 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-11 18:17:03,857 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-11 18:17:03,857 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 18:17:03,859 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 3 states. [2018-04-11 18:17:03,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:17:03,989 INFO L93 Difference]: Finished difference Result 128 states and 133 transitions. [2018-04-11 18:17:03,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-11 18:17:03,990 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-04-11 18:17:03,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:17:03,997 INFO L225 Difference]: With dead ends: 128 [2018-04-11 18:17:03,998 INFO L226 Difference]: Without dead ends: 125 [2018-04-11 18:17:03,999 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 [2018-04-11 18:17:04,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-04-11 18:17:04,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-04-11 18:17:04,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-04-11 18:17:04,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 130 transitions. [2018-04-11 18:17:04,035 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 130 transitions. Word has length 4 [2018-04-11 18:17:04,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:17:04,036 INFO L459 AbstractCegarLoop]: Abstraction has 125 states and 130 transitions. [2018-04-11 18:17:04,036 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-11 18:17:04,036 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 130 transitions. [2018-04-11 18:17:04,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-04-11 18:17:04,036 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:17:04,036 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-04-11 18:17:04,036 INFO L408 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr2AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr3AssertViolationMEMORY_FREE, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr7RequiresViolation]=== [2018-04-11 18:17:04,037 INFO L82 PathProgramCache]: Analyzing trace with hash 6909557, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:17:04,040 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:17:04,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:04,048 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-04-11 18:17:04,052 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:17:04,053 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:17:04,053 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:17:04,054 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:17:04,092 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 4) (store |c_#length| %1 4)) :qid itp)) :qid itp)) is different from true [2018-04-11 18:17:04,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:17:04,143 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:17:04,144 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-11 18:17:04,144 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:17:04,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:17:04,144 INFO L182 omatonBuilderFactory]: Interpolants [391#true, 392#false, 393#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 4) (store |#length| %1 4)) :qid itp)) :qid itp)), 394#(and (<= (+ |~#list~0.offset| 4) (select |#length| |~#list~0.base|)) (= 4 (select |#length| |~#list~0.base|)) (<= 0 |~#list~0.offset|))] [2018-04-11 18:17:04,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:17:04,146 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 18:17:04,146 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 18:17:04,146 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=4, Unknown=1, NotChecked=2, Total=12 [2018-04-11 18:17:04,147 INFO L87 Difference]: Start difference. First operand 125 states and 130 transitions. Second operand 4 states. [2018-04-11 18:17:04,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:17:04,230 INFO L93 Difference]: Finished difference Result 130 states and 137 transitions. [2018-04-11 18:17:04,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 18:17:04,231 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-04-11 18:17:04,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:17:04,234 INFO L225 Difference]: With dead ends: 130 [2018-04-11 18:17:04,234 INFO L226 Difference]: Without dead ends: 130 [2018-04-11 18:17:04,235 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 [2018-04-11 18:17:04,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-04-11 18:17:04,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 124. [2018-04-11 18:17:04,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-04-11 18:17:04,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 129 transitions. [2018-04-11 18:17:04,245 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 129 transitions. Word has length 4 [2018-04-11 18:17:04,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:17:04,245 INFO L459 AbstractCegarLoop]: Abstraction has 124 states and 129 transitions. [2018-04-11 18:17:04,245 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 18:17:04,245 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 129 transitions. [2018-04-11 18:17:04,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-11 18:17:04,245 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:17:04,246 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:17:04,246 INFO L408 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr2AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr3AssertViolationMEMORY_FREE, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr7RequiresViolation]=== [2018-04-11 18:17:04,246 INFO L82 PathProgramCache]: Analyzing trace with hash 1718253864, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:17:04,250 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:17:04,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:04,263 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-04-11 18:17:04,264 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:17:04,265 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:17:04,265 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:17:04,265 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:17:04,269 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)) is different from true [2018-04-11 18:17:04,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:04,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:17:04,308 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:17:04,308 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 18:17:04,309 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:17:04,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:17:04,309 INFO L182 omatonBuilderFactory]: Interpolants [656#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 657#(= 1 (select |#valid| |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#t~malloc0.base|)), 658#(= 1 (select |#valid| __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~ptr~0.base)), 659#(and (= |~#list~0.base| |old(~#list~0.base)|) (= |#valid| |old(#valid)|) (= |~#list~0.offset| |old(~#list~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 649#true, 650#false] [2018-04-11 18:17:04,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:17:04,309 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 18:17:04,310 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 18:17:04,310 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-04-11 18:17:04,310 INFO L87 Difference]: Start difference. First operand 124 states and 129 transitions. Second operand 6 states. [2018-04-11 18:17:04,353 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 [2018-04-11 18:17:04,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:17:04,566 INFO L93 Difference]: Finished difference Result 130 states and 137 transitions. [2018-04-11 18:17:04,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 18:17:04,566 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2018-04-11 18:17:04,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:17:04,567 INFO L225 Difference]: With dead ends: 130 [2018-04-11 18:17:04,567 INFO L226 Difference]: Without dead ends: 130 [2018-04-11 18:17:04,568 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 [2018-04-11 18:17:04,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-04-11 18:17:04,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 123. [2018-04-11 18:17:04,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-04-11 18:17:04,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 128 transitions. [2018-04-11 18:17:04,574 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 128 transitions. Word has length 15 [2018-04-11 18:17:04,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:17:04,575 INFO L459 AbstractCegarLoop]: Abstraction has 123 states and 128 transitions. [2018-04-11 18:17:04,575 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 18:17:04,575 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 128 transitions. [2018-04-11 18:17:04,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-11 18:17:04,575 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:17:04,575 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:17:04,575 INFO L408 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr2AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr3AssertViolationMEMORY_FREE, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr7RequiresViolation]=== [2018-04-11 18:17:04,575 INFO L82 PathProgramCache]: Analyzing trace with hash 1718253865, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:17:04,578 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:17:04,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:04,599 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier WARNING: array quantifier [2018-04-11 18:17:04,601 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:17:04,602 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:17:04,602 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:17:04,602 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:17:04,622 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:17:04,622 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:17:04,622 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:17:04,623 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:17:04,627 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-04-11 18:17:04,627 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 18:17:04,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:04,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:17:04,775 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:17:04,775 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-11 18:17:04,775 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:17:04,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:17:04,776 INFO L182 omatonBuilderFactory]: Interpolants [928#(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)|)), 917#true, 918#false, 924#(exists ((%0 (Array Int Int))) (! (and (forall ((%1 Int)) (! (= (store %0 %1 8) (store |#length| %1 8)) :qid itp)) (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~size| 8) (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~nmemb| 1)) :qid itp)), 925#(exists ((%0 (Array Int Int))) (! (and (= (ite (<= (mod (* (mod __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb 4294967296) (mod __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size 4294967296)) 4294967296) 2147483647) (mod (* (mod __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb 4294967296) (mod __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size 4294967296)) 4294967296) (+ (- 4294967296) (mod (* (mod __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb 4294967296) (mod __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size 4294967296)) 4294967296))) 8) (forall ((%1 Int)) (! (= (store %0 %1 8) (store |#length| %1 8)) :qid itp))) :qid itp)), 926#(and (= (mod (* (mod __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb 4294967296) (mod __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size 4294967296)) 4294967296) 8) (= 0 |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#t~malloc0.offset|) (= 8 (select |#length| |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#t~malloc0.base|))), 927#(and (<= 0 __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~ptr~0.offset) (or (<= (+ __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~ptr~0.offset (mod (* (mod __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb 4294967296) (mod __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size 4294967296)) 4294967296)) (select |#length| __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~ptr~0.base)) (and (<= (+ __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~ptr~0.offset (mod (* (mod __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb 4294967296) (mod __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size 4294967296)) 4294967296)) (+ (select |#length| __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~ptr~0.base) 4294967296)) (< 2147483647 (mod (* (mod __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb 4294967296) (mod __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size 4294967296)) 4294967296)))))] [2018-04-11 18:17:04,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:17:04,776 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-11 18:17:04,776 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-11 18:17:04,777 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=29, Unknown=2, NotChecked=0, Total=42 [2018-04-11 18:17:04,777 INFO L87 Difference]: Start difference. First operand 123 states and 128 transitions. Second operand 7 states. [2018-04-11 18:17:04,818 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_~#list~0.base| |c_old(~#list~0.base)|) (= |c_#valid| |c_old(#valid)|) (= |c_~#list~0.offset| |c_old(~#list~0.offset)|) (= |c_#NULL.base| |c_old(#NULL.base)|) (= |c_#NULL.offset| |c_old(#NULL.offset)|) (= |c_#memory_$Pointer$.base| |c_old(#memory_$Pointer$.base)|) (= |c_old(#length)| |c_#length|) (exists ((%0 (Array Int Int))) (! (and (forall ((%1 Int)) (! (= (store %0 %1 8) (store |c_#length| %1 8)) :qid itp)) (= |c___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~size| 8) (= |c___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~nmemb| 1)) :qid itp)) (= |c_#memory_$Pointer$.offset| |c_old(#memory_$Pointer$.offset)|)) is different from false [2018-04-11 18:17:05,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:17:05,192 INFO L93 Difference]: Finished difference Result 135 states and 143 transitions. [2018-04-11 18:17:05,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 18:17:05,192 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2018-04-11 18:17:05,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:17:05,193 INFO L225 Difference]: With dead ends: 135 [2018-04-11 18:17:05,193 INFO L226 Difference]: Without dead ends: 135 [2018-04-11 18:17:05,194 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=4, NotChecked=12, Total=72 [2018-04-11 18:17:05,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-04-11 18:17:05,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 130. [2018-04-11 18:17:05,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-04-11 18:17:05,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 135 transitions. [2018-04-11 18:17:05,200 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 135 transitions. Word has length 15 [2018-04-11 18:17:05,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:17:05,201 INFO L459 AbstractCegarLoop]: Abstraction has 130 states and 135 transitions. [2018-04-11 18:17:05,201 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-11 18:17:05,201 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 135 transitions. [2018-04-11 18:17:05,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-11 18:17:05,201 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:17:05,202 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] [2018-04-11 18:17:05,203 INFO L408 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr2AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr3AssertViolationMEMORY_FREE, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr7RequiresViolation]=== [2018-04-11 18:17:05,203 INFO L82 PathProgramCache]: Analyzing trace with hash -151435971, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:17:05,211 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:17:05,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:05,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:05,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:05,306 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:17:05,335 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:17:05,335 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-11 18:17:05,336 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:17:05,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:17:05,336 INFO L182 omatonBuilderFactory]: Interpolants [1217#(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$.offset)|)), 1218#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 1219#(and (or (and (not (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~size| 8)) (not (= __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size 8))) (and (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~size| 8) (= __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size 8))) (or (and (not (= __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb 1)) (not (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~nmemb| 1))) (and (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~nmemb| 1) (= __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb 1)))), 1225#(or (not (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~size| 8)) (not (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~nmemb| 1))), 1226#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 1227#(= 0 |#Ultimate.C_memset_#t~loopctr19|), 1228#(<= |#Ultimate.C_memset_#amount| 0), 1198#true, 1199#false] [2018-04-11 18:17:05,336 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:17:05,336 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-11 18:17:05,336 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-11 18:17:05,337 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-04-11 18:17:05,337 INFO L87 Difference]: Start difference. First operand 130 states and 135 transitions. Second operand 9 states. [2018-04-11 18:17:05,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:17:05,683 INFO L93 Difference]: Finished difference Result 141 states and 147 transitions. [2018-04-11 18:17:05,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 18:17:05,687 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 33 [2018-04-11 18:17:05,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:17:05,688 INFO L225 Difference]: With dead ends: 141 [2018-04-11 18:17:05,688 INFO L226 Difference]: Without dead ends: 133 [2018-04-11 18:17:05,688 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 [2018-04-11 18:17:05,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-04-11 18:17:05,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 131. [2018-04-11 18:17:05,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-04-11 18:17:05,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 136 transitions. [2018-04-11 18:17:05,694 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 136 transitions. Word has length 33 [2018-04-11 18:17:05,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:17:05,694 INFO L459 AbstractCegarLoop]: Abstraction has 131 states and 136 transitions. [2018-04-11 18:17:05,694 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-11 18:17:05,694 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 136 transitions. [2018-04-11 18:17:05,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-04-11 18:17:05,695 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:17:05,695 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] [2018-04-11 18:17:05,695 INFO L408 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr2AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr3AssertViolationMEMORY_FREE, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr7RequiresViolation]=== [2018-04-11 18:17:05,695 INFO L82 PathProgramCache]: Analyzing trace with hash 756340626, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:17:05,700 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:17:05,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:05,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:05,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:05,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:05,797 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:17:05,813 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:17:05,813 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-04-11 18:17:05,813 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:17:05,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:17:05,814 INFO L182 omatonBuilderFactory]: Interpolants [1540#(or (not (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~size| 8)) (not (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~nmemb| 1))), 1541#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 1542#(= 0 |#Ultimate.C_memset_#t~loopctr19|), 1511#true, 1543#(= 1 |#Ultimate.C_memset_#t~loopctr19|), 1512#false, 1544#(not (= |#Ultimate.C_memset_#amount| 8)), 1531#(and (= |~#list~0.base| |old(~#list~0.base)|) (= |#valid| |old(#valid)|) (= |~#list~0.offset| |old(~#list~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 1532#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 1533#(and (or (and (not (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~size| 8)) (not (= __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size 8))) (and (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~size| 8) (= __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size 8))) (or (and (not (= __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb 1)) (not (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~nmemb| 1))) (and (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~nmemb| 1) (= __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb 1))))] [2018-04-11 18:17:05,814 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:17:05,814 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-11 18:17:05,814 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-11 18:17:05,814 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-04-11 18:17:05,815 INFO L87 Difference]: Start difference. First operand 131 states and 136 transitions. Second operand 10 states. [2018-04-11 18:17:06,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:17:06,154 INFO L93 Difference]: Finished difference Result 142 states and 148 transitions. [2018-04-11 18:17:06,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-11 18:17:06,154 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 34 [2018-04-11 18:17:06,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:17:06,155 INFO L225 Difference]: With dead ends: 142 [2018-04-11 18:17:06,155 INFO L226 Difference]: Without dead ends: 134 [2018-04-11 18:17:06,155 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 [2018-04-11 18:17:06,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-04-11 18:17:06,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 132. [2018-04-11 18:17:06,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-04-11 18:17:06,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 137 transitions. [2018-04-11 18:17:06,158 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 137 transitions. Word has length 34 [2018-04-11 18:17:06,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:17:06,159 INFO L459 AbstractCegarLoop]: Abstraction has 132 states and 137 transitions. [2018-04-11 18:17:06,159 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-11 18:17:06,159 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 137 transitions. [2018-04-11 18:17:06,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-04-11 18:17:06,163 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:17:06,163 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] [2018-04-11 18:17:06,163 INFO L408 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr2AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr3AssertViolationMEMORY_FREE, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr7RequiresViolation]=== [2018-04-11 18:17:06,163 INFO L82 PathProgramCache]: Analyzing trace with hash -1167355939, 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 [2018-04-11 18:17:06,166 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:17:06,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:06,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:06,286 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:17:06,303 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:17:06,303 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-04-11 18:17:06,303 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:17:06,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:17:06,304 INFO L182 omatonBuilderFactory]: Interpolants [1860#(or (not (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~size| 8)) (not (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~nmemb| 1))), 1829#true, 1861#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 1830#false, 1862#(= 0 |#Ultimate.C_memset_#t~loopctr19|), 1863#(<= |#Ultimate.C_memset_#t~loopctr19| 1), 1864#(<= |#Ultimate.C_memset_#t~loopctr19| 2), 1865#(not (= 8 |#Ultimate.C_memset_#amount|)), 1850#(and (= |~#list~0.base| |old(~#list~0.base)|) (= |#valid| |old(#valid)|) (= |~#list~0.offset| |old(~#list~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 1851#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 1852#(and (or (and (not (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~size| 8)) (not (= __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size 8))) (and (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~size| 8) (= __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size 8))) (or (and (not (= __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb 1)) (not (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~nmemb| 1))) (and (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~nmemb| 1) (= __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb 1))))] [2018-04-11 18:17:06,304 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:17:06,304 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-11 18:17:06,304 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-11 18:17:06,304 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2018-04-11 18:17:06,304 INFO L87 Difference]: Start difference. First operand 132 states and 137 transitions. Second operand 11 states. [2018-04-11 18:17:06,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:17:06,535 INFO L93 Difference]: Finished difference Result 143 states and 149 transitions. [2018-04-11 18:17:06,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-11 18:17:06,535 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 35 [2018-04-11 18:17:06,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:17:06,536 INFO L225 Difference]: With dead ends: 143 [2018-04-11 18:17:06,536 INFO L226 Difference]: Without dead ends: 135 [2018-04-11 18:17:06,536 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2018-04-11 18:17:06,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-04-11 18:17:06,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 133. [2018-04-11 18:17:06,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-04-11 18:17:06,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 138 transitions. [2018-04-11 18:17:06,545 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 138 transitions. Word has length 35 [2018-04-11 18:17:06,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:17:06,545 INFO L459 AbstractCegarLoop]: Abstraction has 133 states and 138 transitions. [2018-04-11 18:17:06,545 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-11 18:17:06,545 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 138 transitions. [2018-04-11 18:17:06,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-04-11 18:17:06,546 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:17:06,546 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] [2018-04-11 18:17:06,546 INFO L408 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr2AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr3AssertViolationMEMORY_FREE, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr7RequiresViolation]=== [2018-04-11 18:17:06,546 INFO L82 PathProgramCache]: Analyzing trace with hash -672407310, 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 [2018-04-11 18:17:06,552 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:17:06,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:06,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:06,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:06,639 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:17:06,657 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:17:06,657 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-11 18:17:06,657 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:17:06,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:17:06,658 INFO L182 omatonBuilderFactory]: Interpolants [2176#(and (or (and (not (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~size| 8)) (not (= __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size 8))) (and (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~size| 8) (= __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size 8))) (or (and (not (= __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb 1)) (not (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~nmemb| 1))) (and (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~nmemb| 1) (= __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb 1)))), 2152#true, 2153#false, 2185#(or (not (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~size| 8)) (not (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~nmemb| 1))), 2186#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 2187#(= 0 |#Ultimate.C_memset_#t~loopctr19|), 2188#(= 1 |#Ultimate.C_memset_#t~loopctr19|), 2189#(<= |#Ultimate.C_memset_#t~loopctr19| 2), 2174#(and (= |~#list~0.base| |old(~#list~0.base)|) (= |#valid| |old(#valid)|) (= |~#list~0.offset| |old(~#list~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 2190#(<= |#Ultimate.C_memset_#t~loopctr19| 3), 2175#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 2191#(not (= 8 |#Ultimate.C_memset_#amount|))] [2018-04-11 18:17:06,658 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:17:06,658 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-11 18:17:06,658 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-11 18:17:06,658 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2018-04-11 18:17:06,658 INFO L87 Difference]: Start difference. First operand 133 states and 138 transitions. Second operand 12 states. [2018-04-11 18:17:06,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:17:06,936 INFO L93 Difference]: Finished difference Result 144 states and 150 transitions. [2018-04-11 18:17:06,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-11 18:17:06,938 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 36 [2018-04-11 18:17:06,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:17:06,939 INFO L225 Difference]: With dead ends: 144 [2018-04-11 18:17:06,939 INFO L226 Difference]: Without dead ends: 136 [2018-04-11 18:17:06,939 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2018-04-11 18:17:06,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-04-11 18:17:06,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 134. [2018-04-11 18:17:06,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-04-11 18:17:06,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 139 transitions. [2018-04-11 18:17:06,942 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 139 transitions. Word has length 36 [2018-04-11 18:17:06,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:17:06,943 INFO L459 AbstractCegarLoop]: Abstraction has 134 states and 139 transitions. [2018-04-11 18:17:06,943 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-11 18:17:06,943 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 139 transitions. [2018-04-11 18:17:06,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-04-11 18:17:06,943 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:17:06,943 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] [2018-04-11 18:17:06,944 INFO L408 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr2AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr3AssertViolationMEMORY_FREE, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr7RequiresViolation]=== [2018-04-11 18:17:06,944 INFO L82 PathProgramCache]: Analyzing trace with hash 1786098301, 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 [2018-04-11 18:17:06,947 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:17:06,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:06,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:07,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:07,124 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:17:07,141 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:17:07,141 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-04-11 18:17:07,141 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:17:07,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:17:07,142 INFO L182 omatonBuilderFactory]: Interpolants [2503#(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$.offset)|)), 2504#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 2505#(and (or (and (not (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~size| 8)) (not (= __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size 8))) (and (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~size| 8) (= __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size 8))) (or (and (not (= __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb 1)) (not (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~nmemb| 1))) (and (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~nmemb| 1) (= __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb 1)))), 2480#true, 2481#false, 2515#(or (not (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~size| 8)) (not (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~nmemb| 1))), 2516#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 2517#(= 0 |#Ultimate.C_memset_#t~loopctr19|), 2518#(= 1 |#Ultimate.C_memset_#t~loopctr19|), 2519#(= |#Ultimate.C_memset_#t~loopctr19| 2), 2520#(<= |#Ultimate.C_memset_#t~loopctr19| 3), 2521#(<= |#Ultimate.C_memset_#t~loopctr19| 4), 2522#(not (= 8 |#Ultimate.C_memset_#amount|))] [2018-04-11 18:17:07,142 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:17:07,142 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-11 18:17:07,142 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-11 18:17:07,143 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-04-11 18:17:07,143 INFO L87 Difference]: Start difference. First operand 134 states and 139 transitions. Second operand 13 states. [2018-04-11 18:17:07,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:17:07,567 INFO L93 Difference]: Finished difference Result 145 states and 151 transitions. [2018-04-11 18:17:07,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-11 18:17:07,567 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 37 [2018-04-11 18:17:07,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:17:07,568 INFO L225 Difference]: With dead ends: 145 [2018-04-11 18:17:07,568 INFO L226 Difference]: Without dead ends: 137 [2018-04-11 18:17:07,569 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2018-04-11 18:17:07,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-04-11 18:17:07,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 135. [2018-04-11 18:17:07,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-04-11 18:17:07,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 140 transitions. [2018-04-11 18:17:07,572 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 140 transitions. Word has length 37 [2018-04-11 18:17:07,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:17:07,573 INFO L459 AbstractCegarLoop]: Abstraction has 135 states and 140 transitions. [2018-04-11 18:17:07,573 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-11 18:17:07,573 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 140 transitions. [2018-04-11 18:17:07,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-04-11 18:17:07,573 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:17:07,574 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] [2018-04-11 18:17:07,574 INFO L408 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr2AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr3AssertViolationMEMORY_FREE, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr7RequiresViolation]=== [2018-04-11 18:17:07,574 INFO L82 PathProgramCache]: Analyzing trace with hash 690360914, 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 [2018-04-11 18:17:07,578 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:17:07,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:07,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:07,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:07,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:07,739 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:17:07,767 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:17:07,767 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-11 18:17:07,767 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:17:07,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:17:07,767 INFO L182 omatonBuilderFactory]: Interpolants [2850#(or (not (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~size| 8)) (not (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~nmemb| 1))), 2851#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 2852#(= 0 |#Ultimate.C_memset_#t~loopctr19|), 2853#(= 1 |#Ultimate.C_memset_#t~loopctr19|), 2854#(= |#Ultimate.C_memset_#t~loopctr19| 2), 2855#(<= |#Ultimate.C_memset_#t~loopctr19| 3), 2856#(<= |#Ultimate.C_memset_#t~loopctr19| 4), 2857#(<= |#Ultimate.C_memset_#t~loopctr19| 5), 2858#(not (= 8 |#Ultimate.C_memset_#amount|)), 2837#(and (= |~#list~0.base| |old(~#list~0.base)|) (= |#valid| |old(#valid)|) (= |~#list~0.offset| |old(~#list~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 2838#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 2839#(and (or (and (not (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~size| 8)) (not (= __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size 8))) (and (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~size| 8) (= __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size 8))) (or (and (not (= __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb 1)) (not (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~nmemb| 1))) (and (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~nmemb| 1) (= __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb 1)))), 2813#true, 2814#false] [2018-04-11 18:17:07,768 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:17:07,768 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-11 18:17:07,768 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-11 18:17:07,768 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2018-04-11 18:17:07,768 INFO L87 Difference]: Start difference. First operand 135 states and 140 transitions. Second operand 14 states. [2018-04-11 18:17:08,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:17:08,243 INFO L93 Difference]: Finished difference Result 146 states and 152 transitions. [2018-04-11 18:17:08,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-11 18:17:08,243 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 38 [2018-04-11 18:17:08,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:17:08,244 INFO L225 Difference]: With dead ends: 146 [2018-04-11 18:17:08,244 INFO L226 Difference]: Without dead ends: 138 [2018-04-11 18:17:08,244 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2018-04-11 18:17:08,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-04-11 18:17:08,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 136. [2018-04-11 18:17:08,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-04-11 18:17:08,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 141 transitions. [2018-04-11 18:17:08,248 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 141 transitions. Word has length 38 [2018-04-11 18:17:08,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:17:08,248 INFO L459 AbstractCegarLoop]: Abstraction has 136 states and 141 transitions. [2018-04-11 18:17:08,248 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-11 18:17:08,248 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 141 transitions. [2018-04-11 18:17:08,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-04-11 18:17:08,249 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:17:08,249 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] [2018-04-11 18:17:08,249 INFO L408 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr2AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr3AssertViolationMEMORY_FREE, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr7RequiresViolation]=== [2018-04-11 18:17:08,249 INFO L82 PathProgramCache]: Analyzing trace with hash 1082240285, 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 [2018-04-11 18:17:08,256 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:17:08,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:08,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:08,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:08,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:08,426 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:17:08,443 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:17:08,443 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-04-11 18:17:08,443 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:17:08,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:17:08,444 INFO L182 omatonBuilderFactory]: Interpolants [3176#(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$.offset)|)), 3177#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 3178#(and (or (and (not (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~size| 8)) (not (= __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size 8))) (and (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~size| 8) (= __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size 8))) (or (and (not (= __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb 1)) (not (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~nmemb| 1))) (and (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~nmemb| 1) (= __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb 1)))), 3151#true, 3152#false, 3190#(or (not (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~size| 8)) (not (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~nmemb| 1))), 3191#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 3192#(= 0 |#Ultimate.C_memset_#t~loopctr19|), 3193#(= 1 |#Ultimate.C_memset_#t~loopctr19|), 3194#(= |#Ultimate.C_memset_#t~loopctr19| 2), 3195#(<= |#Ultimate.C_memset_#t~loopctr19| 3), 3196#(<= |#Ultimate.C_memset_#t~loopctr19| 4), 3197#(<= |#Ultimate.C_memset_#t~loopctr19| 5), 3198#(<= |#Ultimate.C_memset_#t~loopctr19| 6), 3199#(not (= 8 |#Ultimate.C_memset_#amount|))] [2018-04-11 18:17:08,444 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:17:08,444 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-11 18:17:08,444 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-11 18:17:08,444 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2018-04-11 18:17:08,444 INFO L87 Difference]: Start difference. First operand 136 states and 141 transitions. Second operand 15 states. [2018-04-11 18:17:08,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:17:08,808 INFO L93 Difference]: Finished difference Result 147 states and 153 transitions. [2018-04-11 18:17:08,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-11 18:17:08,808 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 39 [2018-04-11 18:17:08,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:17:08,809 INFO L225 Difference]: With dead ends: 147 [2018-04-11 18:17:08,809 INFO L226 Difference]: Without dead ends: 139 [2018-04-11 18:17:08,809 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2018-04-11 18:17:08,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-04-11 18:17:08,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 137. [2018-04-11 18:17:08,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-04-11 18:17:08,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 142 transitions. [2018-04-11 18:17:08,811 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 142 transitions. Word has length 39 [2018-04-11 18:17:08,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:17:08,811 INFO L459 AbstractCegarLoop]: Abstraction has 137 states and 142 transitions. [2018-04-11 18:17:08,811 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-11 18:17:08,812 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 142 transitions. [2018-04-11 18:17:08,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-04-11 18:17:08,812 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:17:08,812 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] [2018-04-11 18:17:08,812 INFO L408 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr2AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr3AssertViolationMEMORY_FREE, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr7RequiresViolation]=== [2018-04-11 18:17:08,812 INFO L82 PathProgramCache]: Analyzing trace with hash 345598898, 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 [2018-04-11 18:17:08,820 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:17:08,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:08,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:08,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:08,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:08,927 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:17:08,943 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:17:08,943 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-04-11 18:17:08,943 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:17:08,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:17:08,944 INFO L182 omatonBuilderFactory]: Interpolants [3520#(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$.offset)|)), 3521#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 3522#(and (or (and (not (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~size| 8)) (not (= __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size 8))) (and (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~size| 8) (= __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size 8))) (or (and (not (= __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb 1)) (not (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~nmemb| 1))) (and (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~nmemb| 1) (= __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb 1)))), 3494#true, 3495#false, 3535#(or (not (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~size| 8)) (not (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~nmemb| 1))), 3536#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 3537#(= 0 |#Ultimate.C_memset_#t~loopctr19|), 3538#(= 1 |#Ultimate.C_memset_#t~loopctr19|), 3539#(<= |#Ultimate.C_memset_#t~loopctr19| 2), 3540#(<= |#Ultimate.C_memset_#t~loopctr19| 3), 3541#(<= |#Ultimate.C_memset_#t~loopctr19| 4), 3542#(<= |#Ultimate.C_memset_#t~loopctr19| 5), 3543#(<= |#Ultimate.C_memset_#t~loopctr19| 6), 3544#(<= |#Ultimate.C_memset_#t~loopctr19| 7), 3545#(not (= 8 |#Ultimate.C_memset_#amount|))] [2018-04-11 18:17:08,944 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:17:08,944 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-11 18:17:08,944 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-11 18:17:08,944 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-04-11 18:17:08,944 INFO L87 Difference]: Start difference. First operand 137 states and 142 transitions. Second operand 16 states. [2018-04-11 18:17:09,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:17:09,263 INFO L93 Difference]: Finished difference Result 148 states and 154 transitions. [2018-04-11 18:17:09,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-11 18:17:09,263 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 40 [2018-04-11 18:17:09,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:17:09,264 INFO L225 Difference]: With dead ends: 148 [2018-04-11 18:17:09,264 INFO L226 Difference]: Without dead ends: 140 [2018-04-11 18:17:09,264 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2018-04-11 18:17:09,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-04-11 18:17:09,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 138. [2018-04-11 18:17:09,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-04-11 18:17:09,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 143 transitions. [2018-04-11 18:17:09,266 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 143 transitions. Word has length 40 [2018-04-11 18:17:09,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:17:09,267 INFO L459 AbstractCegarLoop]: Abstraction has 138 states and 143 transitions. [2018-04-11 18:17:09,267 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-11 18:17:09,267 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 143 transitions. [2018-04-11 18:17:09,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-04-11 18:17:09,267 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:17:09,267 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] [2018-04-11 18:17:09,267 INFO L408 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr2AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr3AssertViolationMEMORY_FREE, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr7RequiresViolation]=== [2018-04-11 18:17:09,268 INFO L82 PathProgramCache]: Analyzing trace with hash -1015447619, 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 [2018-04-11 18:17:09,276 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:17:09,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:09,293 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier WARNING: array quantifier [2018-04-11 18:17:09,295 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:17:09,295 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:17:09,295 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:17:09,295 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:17:09,300 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:17:09,300 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:17:09,300 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:17:09,300 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:17:09,303 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-04-11 18:17:09,303 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 18:17:09,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:09,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:09,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:09,389 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-04-11 18:17:09,406 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:17:09,406 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-04-11 18:17:09,406 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:17:09,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:17:09,406 INFO L182 omatonBuilderFactory]: Interpolants [3888#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 3872#(and (<= 0 __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~ptr~0.offset) (or (<= (+ __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~ptr~0.offset (mod (* (mod __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb 4294967296) (mod __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size 4294967296)) 4294967296)) (select |#length| __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~ptr~0.base)) (and (<= (+ __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~ptr~0.offset (mod (* (mod __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb 4294967296) (mod __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size 4294967296)) 4294967296)) (+ (select |#length| __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~ptr~0.base) 4294967296)) (< 2147483647 (mod (* (mod __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb 4294967296) (mod __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size 4294967296)) 4294967296))))), 3873#(and (= |~#list~0.base| |old(~#list~0.base)|) (= |#valid| |old(#valid)|) (= |~#list~0.offset| |old(~#list~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 3842#true, 3874#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 3843#false, 3869#(exists ((%0 (Array Int Int))) (! (and (forall ((%1 Int)) (! (= (store %0 %1 8) (store |#length| %1 8)) :qid itp)) (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~size| 8) (= |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~nmemb| 1)) :qid itp)), 3870#(exists ((%0 (Array Int Int))) (! (and (= (ite (<= (mod (* (mod __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb 4294967296) (mod __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size 4294967296)) 4294967296) 2147483647) (mod (* (mod __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb 4294967296) (mod __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size 4294967296)) 4294967296) (+ (- 4294967296) (mod (* (mod __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb 4294967296) (mod __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size 4294967296)) 4294967296))) 8) (forall ((%1 Int)) (! (= (store %0 %1 8) (store |#length| %1 8)) :qid itp))) :qid itp)), 3871#(and (= (mod (* (mod __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~nmemb 4294967296) (mod __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~size 4294967296)) 4294967296) 8) (= 0 |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#t~malloc0.offset|) (= 8 (select |#length| |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#t~malloc0.base|)))] [2018-04-11 18:17:09,407 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-04-11 18:17:09,407 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-11 18:17:09,407 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-11 18:17:09,407 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=51, Unknown=3, NotChecked=0, Total=72 [2018-04-11 18:17:09,407 INFO L87 Difference]: Start difference. First operand 138 states and 143 transitions. Second operand 9 states. [2018-04-11 18:17:09,467 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_~#list~0.base| |c_old(~#list~0.base)|) (= |c_#valid| |c_old(#valid)|) (= |c_~#list~0.offset| |c_old(~#list~0.offset)|) (= |c_#NULL.base| |c_old(#NULL.base)|) (= |c_#NULL.offset| |c_old(#NULL.offset)|) (= |c_#memory_$Pointer$.base| |c_old(#memory_$Pointer$.base)|) (= |c_old(#length)| |c_#length|) (exists ((%0 (Array Int Int))) (! (and (forall ((%1 Int)) (! (= (store %0 %1 8) (store |c_#length| %1 8)) :qid itp)) (= |c___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~size| 8) (= |c___U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#in~nmemb| 1)) :qid itp)) (= |c_#memory_$Pointer$.offset| |c_old(#memory_$Pointer$.offset)|)) is different from false [2018-04-11 18:17:09,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:17:09,640 INFO L93 Difference]: Finished difference Result 139 states and 145 transitions. [2018-04-11 18:17:09,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-11 18:17:09,640 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 41 [2018-04-11 18:17:09,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:17:09,640 INFO L225 Difference]: With dead ends: 139 [2018-04-11 18:17:09,641 INFO L226 Difference]: Without dead ends: 139 [2018-04-11 18:17:09,641 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=65, Unknown=5, NotChecked=16, Total=110 [2018-04-11 18:17:09,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-04-11 18:17:09,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 137. [2018-04-11 18:17:09,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-04-11 18:17:09,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 142 transitions. [2018-04-11 18:17:09,643 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 142 transitions. Word has length 41 [2018-04-11 18:17:09,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:17:09,644 INFO L459 AbstractCegarLoop]: Abstraction has 137 states and 142 transitions. [2018-04-11 18:17:09,644 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-11 18:17:09,644 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 142 transitions. [2018-04-11 18:17:09,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-04-11 18:17:09,644 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:17:09,644 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] [2018-04-11 18:17:09,645 INFO L408 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr2AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr3AssertViolationMEMORY_FREE, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr7RequiresViolation]=== [2018-04-11 18:17:09,645 INFO L82 PathProgramCache]: Analyzing trace with hash -1717472805, 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 [2018-04-11 18:17:09,648 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:17:09,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:09,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:09,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:09,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:09,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:09,748 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-04-11 18:17:09,765 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:17:09,765 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-04-11 18:17:09,766 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:17:09,766 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-04-11 18:17:09,766 INFO L182 omatonBuilderFactory]: Interpolants [4247#(= 1 (select |#valid| __U_MULTI_ftest______false_valid_memtrack_i__calloc_model_~ptr~0.base)), 4248#(= 1 (select |#valid| |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#res.base|)), 4216#(= 1 (select |#valid| |__U_MULTI_ftest______false_valid_memtrack_i__l2_insert_#t~ret2.base|)), 4169#true, 4233#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 4249#(= 1 (select |#valid| |#Ultimate.C_memset_#ptr.base|)), 4217#(= 1 (select |#valid| __U_MULTI_ftest______false_valid_memtrack_i__l2_insert_~item~0.base)), 4170#false, 4218#(and (= |~#list~0.base| |old(~#list~0.base)|) (= |#valid| |old(#valid)|) (= |~#list~0.offset| |old(~#list~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 4250#(and (= 1 (select |#valid| |#Ultimate.C_memset_#ptr.base|)) (= |#Ultimate.C_memset_#ptr.base| |#Ultimate.C_memset_#res.base|)), 4219#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))] [2018-04-11 18:17:09,766 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-04-11 18:17:09,766 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-11 18:17:09,766 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-11 18:17:09,767 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-04-11 18:17:09,767 INFO L87 Difference]: Start difference. First operand 137 states and 142 transitions. Second operand 11 states. [2018-04-11 18:17:09,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:17:09,950 INFO L93 Difference]: Finished difference Result 136 states and 142 transitions. [2018-04-11 18:17:09,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-11 18:17:09,950 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 61 [2018-04-11 18:17:09,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:17:09,951 INFO L225 Difference]: With dead ends: 136 [2018-04-11 18:17:09,951 INFO L226 Difference]: Without dead ends: 136 [2018-04-11 18:17:09,951 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-04-11 18:17:09,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-04-11 18:17:09,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 134. [2018-04-11 18:17:09,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-04-11 18:17:09,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 139 transitions. [2018-04-11 18:17:09,954 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 139 transitions. Word has length 61 [2018-04-11 18:17:09,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:17:09,955 INFO L459 AbstractCegarLoop]: Abstraction has 134 states and 139 transitions. [2018-04-11 18:17:09,955 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-11 18:17:09,955 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 139 transitions. [2018-04-11 18:17:09,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-04-11 18:17:09,955 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:17:09,956 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] [2018-04-11 18:17:09,956 INFO L408 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr2AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_destroyErr3AssertViolationMEMORY_FREE, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr6RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_i__l2_insertErr7RequiresViolation]=== [2018-04-11 18:17:09,956 INFO L82 PathProgramCache]: Analyzing trace with hash -1717472804, 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 [2018-04-11 18:17:09,959 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:17:09,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:17:09,994 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______false_valid_memtrack_i__calloc_model_#t~malloc0.base_38|))) (* (- 1) (select |#length_59| |__U_MULTI_ftest______false_valid_memtrack_i__calloc_model_#t~malloc0.base_38|))))) (rewrite a!1)) [2018-04-11 18:17:09,994 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) [2018-04-11 18:17:09,996 INFO L168 Benchmark]: Toolchain (without parser) took 7127.22 ms. Allocated memory was 407.4 MB in the beginning and 769.1 MB in the end (delta: 361.8 MB). Free memory was 340.0 MB in the beginning and 634.3 MB in the end (delta: -294.3 MB). Peak memory consumption was 67.5 MB. Max. memory is 5.3 GB. [2018-04-11 18:17:09,997 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 407.4 MB. Free memory is still 364.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 18:17:09,997 INFO L168 Benchmark]: CACSL2BoogieTranslator took 244.59 ms. Allocated memory is still 407.4 MB. Free memory was 339.3 MB in the beginning and 301.5 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 5.3 GB. [2018-04-11 18:17:09,998 INFO L168 Benchmark]: Boogie Preprocessor took 45.14 ms. Allocated memory is still 407.4 MB. Free memory was 301.5 MB in the beginning and 298.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 5.3 GB. [2018-04-11 18:17:09,998 INFO L168 Benchmark]: RCFGBuilder took 526.35 ms. Allocated memory was 407.4 MB in the beginning and 619.7 MB in the end (delta: 212.3 MB). Free memory was 298.2 MB in the beginning and 528.5 MB in the end (delta: -230.3 MB). Peak memory consumption was 23.7 MB. Max. memory is 5.3 GB. [2018-04-11 18:17:09,998 INFO L168 Benchmark]: TraceAbstraction took 6308.20 ms. Allocated memory was 619.7 MB in the beginning and 769.1 MB in the end (delta: 149.4 MB). Free memory was 528.5 MB in the beginning and 634.3 MB in the end (delta: -105.8 MB). Peak memory consumption was 43.7 MB. Max. memory is 5.3 GB. [2018-04-11 18:17:10,000 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 407.4 MB. Free memory is still 364.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 244.59 ms. Allocated memory is still 407.4 MB. Free memory was 339.3 MB in the beginning and 301.5 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 45.14 ms. Allocated memory is still 407.4 MB. Free memory was 301.5 MB in the beginning and 298.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 526.35 ms. Allocated memory was 407.4 MB in the beginning and 619.7 MB in the end (delta: 212.3 MB). Free memory was 298.2 MB in the beginning and 528.5 MB in the end (delta: -230.3 MB). Peak memory consumption was 23.7 MB. Max. memory is 5.3 GB. * TraceAbstraction took 6308.20 ms. Allocated memory was 619.7 MB in the beginning and 769.1 MB in the end (delta: 149.4 MB). Free memory was 528.5 MB in the beginning and 634.3 MB in the end (delta: -105.8 MB). Peak memory consumption was 43.7 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-0220_false-valid-memtrack.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_18-17-10-007.csv Received shutdown request...