./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f6fb2bb1 Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test5.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 865b9817b99e49ea2291023072dbeb614cc40342 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported --- Real Ultimate output --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-f6fb2bb [2019-11-19 19:49:22,400 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 19:49:22,402 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 19:49:22,415 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 19:49:22,415 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 19:49:22,416 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 19:49:22,418 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 19:49:22,420 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 19:49:22,422 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 19:49:22,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 19:49:22,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 19:49:22,435 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 19:49:22,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 19:49:22,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 19:49:22,440 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 19:49:22,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 19:49:22,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 19:49:22,448 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 19:49:22,451 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 19:49:22,454 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 19:49:22,457 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 19:49:22,460 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 19:49:22,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 19:49:22,465 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 19:49:22,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 19:49:22,470 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 19:49:22,470 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 19:49:22,471 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 19:49:22,473 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 19:49:22,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 19:49:22,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 19:49:22,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 19:49:22,479 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 19:49:22,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 19:49:22,481 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 19:49:22,482 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 19:49:22,483 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 19:49:22,484 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 19:49:22,484 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 19:49:22,486 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 19:49:22,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 19:49:22,488 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-19 19:49:22,520 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 19:49:22,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 19:49:22,522 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 19:49:22,525 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 19:49:22,527 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 19:49:22,528 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 19:49:22,528 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 19:49:22,528 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 19:49:22,529 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 19:49:22,529 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 19:49:22,529 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 19:49:22,529 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-19 19:49:22,531 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-19 19:49:22,531 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-19 19:49:22,531 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 19:49:22,531 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-19 19:49:22,532 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-19 19:49:22,532 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 19:49:22,532 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 19:49:22,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 19:49:22,532 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 19:49:22,533 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 19:49:22,533 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 19:49:22,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 19:49:22,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 19:49:22,538 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 19:49:22,538 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-19 19:49:22,538 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-19 19:49:22,539 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-19 19:49:22,540 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 865b9817b99e49ea2291023072dbeb614cc40342 [2019-11-19 19:49:22,844 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 19:49:22,857 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 19:49:22,861 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 19:49:22,862 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 19:49:22,863 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 19:49:22,864 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test5.i [2019-11-19 19:49:22,944 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b441851f1/fb0156796abd4fd2addf3cc958abda94/FLAG3df409633 [2019-11-19 19:49:23,471 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 19:49:23,474 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test5.i [2019-11-19 19:49:23,497 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b441851f1/fb0156796abd4fd2addf3cc958abda94/FLAG3df409633 [2019-11-19 19:49:23,757 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b441851f1/fb0156796abd4fd2addf3cc958abda94 [2019-11-19 19:49:23,761 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 19:49:23,762 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-19 19:49:23,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 19:49:23,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 19:49:23,768 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 19:49:23,769 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:49:23" (1/1) ... [2019-11-19 19:49:23,772 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67086097 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:23, skipping insertion in model container [2019-11-19 19:49:23,772 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:49:23" (1/1) ... [2019-11-19 19:49:23,780 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 19:49:23,848 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 19:49:24,450 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 19:49:24,474 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 19:49:24,579 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 19:49:24,670 INFO L192 MainTranslator]: Completed translation [2019-11-19 19:49:24,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:24 WrapperNode [2019-11-19 19:49:24,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 19:49:24,671 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 19:49:24,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 19:49:24,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 19:49:24,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:24" (1/1) ... [2019-11-19 19:49:24,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:24" (1/1) ... [2019-11-19 19:49:24,722 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:24" (1/1) ... [2019-11-19 19:49:24,723 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:24" (1/1) ... [2019-11-19 19:49:24,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:24" (1/1) ... [2019-11-19 19:49:24,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:24" (1/1) ... [2019-11-19 19:49:24,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:24" (1/1) ... [2019-11-19 19:49:24,788 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 19:49:24,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 19:49:24,792 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 19:49:24,792 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 19:49:24,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:24" (1/1) ... No working directory specified, using /storage/repos/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 [2019-11-19 19:49:24,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-19 19:49:24,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 19:49:24,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-19 19:49:24,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-19 19:49:24,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-19 19:49:24,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-19 19:49:24,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-19 19:49:24,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-19 19:49:24,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-19 19:49:24,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-19 19:49:24,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-19 19:49:24,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-19 19:49:24,865 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-19 19:49:24,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-19 19:49:24,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-19 19:49:24,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-19 19:49:24,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-19 19:49:24,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-19 19:49:24,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-19 19:49:24,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-19 19:49:24,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-19 19:49:24,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-19 19:49:24,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-19 19:49:24,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-19 19:49:24,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-19 19:49:24,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-19 19:49:24,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-19 19:49:24,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-19 19:49:24,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-19 19:49:24,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-19 19:49:24,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-19 19:49:24,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-19 19:49:24,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-19 19:49:24,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-19 19:49:24,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-19 19:49:24,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-19 19:49:24,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-19 19:49:24,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-19 19:49:24,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-19 19:49:24,871 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-19 19:49:24,872 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-19 19:49:24,872 INFO L138 BoogieDeclarations]: Found implementation of procedure h5 [2019-11-19 19:49:24,872 INFO L138 BoogieDeclarations]: Found implementation of procedure g5 [2019-11-19 19:49:24,872 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-19 19:49:24,872 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-19 19:49:24,873 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-19 19:49:24,873 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-19 19:49:24,873 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-19 19:49:24,873 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-19 19:49:24,873 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-19 19:49:24,874 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-19 19:49:24,874 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-19 19:49:24,874 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-19 19:49:24,874 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-19 19:49:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-19 19:49:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-19 19:49:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-19 19:49:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-19 19:49:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-19 19:49:24,876 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-19 19:49:24,876 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-19 19:49:24,877 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-19 19:49:24,877 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-19 19:49:24,877 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-19 19:49:24,877 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-19 19:49:24,878 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-19 19:49:24,878 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-19 19:49:24,878 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-19 19:49:24,878 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-19 19:49:24,879 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-19 19:49:24,879 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-19 19:49:24,879 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-19 19:49:24,879 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-19 19:49:24,879 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-19 19:49:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-19 19:49:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-19 19:49:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-19 19:49:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-19 19:49:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-19 19:49:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-19 19:49:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-19 19:49:24,882 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-19 19:49:24,882 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-19 19:49:24,882 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-19 19:49:24,882 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-19 19:49:24,882 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-19 19:49:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-19 19:49:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-19 19:49:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-19 19:49:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-19 19:49:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-19 19:49:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-19 19:49:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-19 19:49:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-19 19:49:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-19 19:49:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-19 19:49:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-19 19:49:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-19 19:49:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-19 19:49:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-19 19:49:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-19 19:49:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-19 19:49:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-19 19:49:24,887 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-19 19:49:24,887 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-19 19:49:24,887 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-19 19:49:24,887 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-19 19:49:24,887 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-19 19:49:24,888 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-19 19:49:24,888 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-19 19:49:24,888 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-19 19:49:24,888 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-19 19:49:24,888 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-19 19:49:24,889 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-19 19:49:24,889 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-19 19:49:24,889 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-19 19:49:24,889 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-19 19:49:24,890 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-19 19:49:24,890 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-19 19:49:24,890 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-19 19:49:24,890 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-19 19:49:24,890 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-19 19:49:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-19 19:49:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-19 19:49:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-19 19:49:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-19 19:49:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-19 19:49:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-19 19:49:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-19 19:49:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-19 19:49:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-19 19:49:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-19 19:49:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-19 19:49:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-19 19:49:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-19 19:49:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-19 19:49:24,894 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-19 19:49:24,894 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-19 19:49:24,894 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-19 19:49:24,894 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-19 19:49:24,894 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-19 19:49:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-19 19:49:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-19 19:49:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-19 19:49:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-19 19:49:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-19 19:49:24,896 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-19 19:49:24,896 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-19 19:49:24,896 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-19 19:49:24,896 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-19 19:49:24,897 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-19 19:49:24,897 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-19 19:49:24,897 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-19 19:49:24,897 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-19 19:49:24,897 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-19 19:49:24,898 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-19 19:49:24,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-19 19:49:24,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-19 19:49:24,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-19 19:49:24,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-19 19:49:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-19 19:49:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-19 19:49:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-19 19:49:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-19 19:49:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-19 19:49:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-19 19:49:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-19 19:49:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-19 19:49:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-19 19:49:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-19 19:49:24,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-19 19:49:24,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-19 19:49:24,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-19 19:49:24,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-19 19:49:24,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-19 19:49:24,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-19 19:49:24,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-19 19:49:24,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-19 19:49:24,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 19:49:24,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-19 19:49:24,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-19 19:49:24,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-19 19:49:24,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-19 19:49:24,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-19 19:49:24,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-19 19:49:24,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-19 19:49:24,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-19 19:49:24,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-19 19:49:24,904 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-19 19:49:24,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-19 19:49:24,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-19 19:49:24,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-19 19:49:24,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-19 19:49:24,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-19 19:49:24,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-19 19:49:24,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-19 19:49:24,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-19 19:49:24,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-19 19:49:24,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-19 19:49:24,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-19 19:49:24,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-19 19:49:24,906 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-19 19:49:24,907 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-19 19:49:24,907 INFO L130 BoogieDeclarations]: Found specification of procedure h5 [2019-11-19 19:49:24,907 INFO L130 BoogieDeclarations]: Found specification of procedure g5 [2019-11-19 19:49:24,907 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-19 19:49:24,907 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-19 19:49:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-19 19:49:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 19:49:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-19 19:49:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 19:49:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-19 19:49:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-19 19:49:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-19 19:49:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-19 19:49:25,582 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-19 19:49:26,020 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-19 19:49:26,384 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 19:49:26,385 INFO L285 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-19 19:49:26,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:49:26 BoogieIcfgContainer [2019-11-19 19:49:26,387 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 19:49:26,388 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 19:49:26,388 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 19:49:26,392 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 19:49:26,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:49:23" (1/3) ... [2019-11-19 19:49:26,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@195c9215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:49:26, skipping insertion in model container [2019-11-19 19:49:26,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:24" (2/3) ... [2019-11-19 19:49:26,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@195c9215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:49:26, skipping insertion in model container [2019-11-19 19:49:26,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:49:26" (3/3) ... [2019-11-19 19:49:26,396 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test5.i [2019-11-19 19:49:26,410 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 19:49:26,429 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2019-11-19 19:49:26,453 INFO L249 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2019-11-19 19:49:26,481 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 19:49:26,481 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-19 19:49:26,481 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 19:49:26,482 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 19:49:26,482 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 19:49:26,482 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 19:49:26,482 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 19:49:26,497 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 19:49:26,525 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states. [2019-11-19 19:49:26,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-19 19:49:26,536 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 19:49:26,537 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 19:49:26,538 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, g5Err2ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-19 19:49:26,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:49:26,544 INFO L82 PathProgramCache]: Analyzing trace with hash -1811446666, now seen corresponding path program 1 times [2019-11-19 19:49:26,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 19:49:26,559 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1984182316] [2019-11-19 19:49:26,560 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-19 19:49:26,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:49:26,839 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-19 19:49:26,846 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 19:49:26,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:49:26,953 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 19:49:27,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:49:27,105 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1984182316] [2019-11-19 19:49:27,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-19 19:49:27,109 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2019-11-19 19:49:27,110 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386334624] [2019-11-19 19:49:27,115 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-19 19:49:27,116 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-19 19:49:27,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-19 19:49:27,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-19 19:49:27,135 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 9 states. [2019-11-19 19:49:27,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 19:49:27,255 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2019-11-19 19:49:27,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-19 19:49:27,258 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2019-11-19 19:49:27,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 19:49:27,271 INFO L225 Difference]: With dead ends: 33 [2019-11-19 19:49:27,273 INFO L226 Difference]: Without dead ends: 30 [2019-11-19 19:49:27,277 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-19 19:49:27,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-19 19:49:27,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-11-19 19:49:27,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-19 19:49:27,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2019-11-19 19:49:27,331 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 20 [2019-11-19 19:49:27,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 19:49:27,333 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2019-11-19 19:49:27,333 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-19 19:49:27,333 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2019-11-19 19:49:27,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-19 19:49:27,334 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 19:49:27,335 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 19:49:27,538 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-19 19:49:27,539 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, g5Err2ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-19 19:49:27,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:49:27,540 INFO L82 PathProgramCache]: Analyzing trace with hash -320271464, now seen corresponding path program 1 times [2019-11-19 19:49:27,541 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 19:49:27,542 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [757868033] [2019-11-19 19:49:27,542 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-19 19:49:27,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:49:27,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-19 19:49:27,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 19:49:27,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:49:27,981 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 19:49:28,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:49:28,115 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [757868033] [2019-11-19 19:49:28,116 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-19 19:49:28,116 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2019-11-19 19:49:28,116 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722900654] [2019-11-19 19:49:28,118 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-19 19:49:28,118 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-19 19:49:28,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-19 19:49:28,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-19 19:49:28,119 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand 9 states. [2019-11-19 19:49:28,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 19:49:28,394 INFO L93 Difference]: Finished difference Result 49 states and 51 transitions. [2019-11-19 19:49:28,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-19 19:49:28,395 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2019-11-19 19:49:28,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 19:49:28,400 INFO L225 Difference]: With dead ends: 49 [2019-11-19 19:49:28,400 INFO L226 Difference]: Without dead ends: 49 [2019-11-19 19:49:28,408 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-19 19:49:28,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-11-19 19:49:28,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 44. [2019-11-19 19:49:28,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-11-19 19:49:28,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 47 transitions. [2019-11-19 19:49:28,428 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 47 transitions. Word has length 21 [2019-11-19 19:49:28,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 19:49:28,429 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 47 transitions. [2019-11-19 19:49:28,429 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-19 19:49:28,429 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2019-11-19 19:49:28,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-19 19:49:28,431 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 19:49:28,431 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 19:49:28,632 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-19 19:49:28,633 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, g5Err2ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-19 19:49:28,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:49:28,633 INFO L82 PathProgramCache]: Analyzing trace with hash -191188745, now seen corresponding path program 1 times [2019-11-19 19:49:28,634 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 19:49:28,634 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [801894976] [2019-11-19 19:49:28,635 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-19 19:49:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:49:28,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-19 19:49:28,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 19:49:28,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:49:28,961 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 19:49:29,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:49:29,037 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [801894976] [2019-11-19 19:49:29,038 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-19 19:49:29,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 10 [2019-11-19 19:49:29,038 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412243156] [2019-11-19 19:49:29,038 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-19 19:49:29,039 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-19 19:49:29,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-19 19:49:29,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-11-19 19:49:29,039 INFO L87 Difference]: Start difference. First operand 44 states and 47 transitions. Second operand 10 states. [2019-11-19 19:49:29,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 19:49:29,138 INFO L93 Difference]: Finished difference Result 45 states and 46 transitions. [2019-11-19 19:49:29,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-19 19:49:29,139 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 21 [2019-11-19 19:49:29,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 19:49:29,140 INFO L225 Difference]: With dead ends: 45 [2019-11-19 19:49:29,140 INFO L226 Difference]: Without dead ends: 44 [2019-11-19 19:49:29,141 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2019-11-19 19:49:29,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-11-19 19:49:29,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 40. [2019-11-19 19:49:29,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-19 19:49:29,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 41 transitions. [2019-11-19 19:49:29,148 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 41 transitions. Word has length 21 [2019-11-19 19:49:29,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 19:49:29,149 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 41 transitions. [2019-11-19 19:49:29,149 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-19 19:49:29,149 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2019-11-19 19:49:29,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-19 19:49:29,151 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 19:49:29,151 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 19:49:29,354 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-19 19:49:29,355 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, g5Err2ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-19 19:49:29,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:49:29,356 INFO L82 PathProgramCache]: Analyzing trace with hash -1338480456, now seen corresponding path program 1 times [2019-11-19 19:49:29,356 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 19:49:29,357 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1317847926] [2019-11-19 19:49:29,357 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-19 19:49:29,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:49:29,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-19 19:49:29,594 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 19:49:29,629 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-19 19:49:29,630 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-19 19:49:29,635 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 19:49:29,636 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-19 19:49:29,636 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-19 19:49:29,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:49:29,725 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 19:49:29,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:49:29,840 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1317847926] [2019-11-19 19:49:29,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-19 19:49:29,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2019-11-19 19:49:29,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916454683] [2019-11-19 19:49:29,841 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-19 19:49:29,841 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-19 19:49:29,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-19 19:49:29,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-19 19:49:29,842 INFO L87 Difference]: Start difference. First operand 40 states and 41 transitions. Second operand 9 states. [2019-11-19 19:49:30,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 19:49:30,012 INFO L93 Difference]: Finished difference Result 43 states and 44 transitions. [2019-11-19 19:49:30,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-19 19:49:30,015 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2019-11-19 19:49:30,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 19:49:30,017 INFO L225 Difference]: With dead ends: 43 [2019-11-19 19:49:30,017 INFO L226 Difference]: Without dead ends: 43 [2019-11-19 19:49:30,018 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-19 19:49:30,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-11-19 19:49:30,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 39. [2019-11-19 19:49:30,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-11-19 19:49:30,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 40 transitions. [2019-11-19 19:49:30,025 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 40 transitions. Word has length 22 [2019-11-19 19:49:30,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 19:49:30,026 INFO L462 AbstractCegarLoop]: Abstraction has 39 states and 40 transitions. [2019-11-19 19:49:30,026 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-19 19:49:30,026 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2019-11-19 19:49:30,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-19 19:49:30,027 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 19:49:30,027 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 19:49:30,229 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-19 19:49:30,231 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, g5Err2ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-19 19:49:30,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:49:30,232 INFO L82 PathProgramCache]: Analyzing trace with hash -1844383163, now seen corresponding path program 1 times [2019-11-19 19:49:30,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 19:49:30,233 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1894231014] [2019-11-19 19:49:30,233 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-19 19:49:30,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:49:30,446 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-19 19:49:30,448 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 19:49:30,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:49:30,509 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 19:49:30,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:49:30,721 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1894231014] [2019-11-19 19:49:30,721 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-19 19:49:30,721 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 10 [2019-11-19 19:49:30,721 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019459535] [2019-11-19 19:49:30,722 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-19 19:49:30,722 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-19 19:49:30,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-19 19:49:30,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-19 19:49:30,723 INFO L87 Difference]: Start difference. First operand 39 states and 40 transitions. Second operand 10 states. [2019-11-19 19:49:30,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 19:49:30,817 INFO L93 Difference]: Finished difference Result 43 states and 43 transitions. [2019-11-19 19:49:30,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-19 19:49:30,817 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 24 [2019-11-19 19:49:30,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 19:49:30,818 INFO L225 Difference]: With dead ends: 43 [2019-11-19 19:49:30,818 INFO L226 Difference]: Without dead ends: 41 [2019-11-19 19:49:30,819 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2019-11-19 19:49:30,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-11-19 19:49:30,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2019-11-19 19:49:30,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-11-19 19:49:30,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2019-11-19 19:49:30,825 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 39 transitions. Word has length 24 [2019-11-19 19:49:30,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 19:49:30,826 INFO L462 AbstractCegarLoop]: Abstraction has 39 states and 39 transitions. [2019-11-19 19:49:30,826 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-19 19:49:30,826 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2019-11-19 19:49:30,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-19 19:49:30,827 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 19:49:30,827 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 19:49:31,028 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-19 19:49:31,029 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, g5Err2ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-19 19:49:31,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:49:31,030 INFO L82 PathProgramCache]: Analyzing trace with hash -336831354, now seen corresponding path program 1 times [2019-11-19 19:49:31,030 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 19:49:31,031 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [425704646] [2019-11-19 19:49:31,031 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-19 19:49:31,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:49:31,268 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-19 19:49:31,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 19:49:31,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:49:31,283 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 19:49:31,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:49:31,405 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [425704646] [2019-11-19 19:49:31,405 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-19 19:49:31,405 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-19 19:49:31,406 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980942554] [2019-11-19 19:49:31,406 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 19:49:31,406 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-19 19:49:31,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 19:49:31,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 19:49:31,407 INFO L87 Difference]: Start difference. First operand 39 states and 39 transitions. Second operand 3 states. [2019-11-19 19:49:31,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 19:49:31,443 INFO L93 Difference]: Finished difference Result 42 states and 41 transitions. [2019-11-19 19:49:31,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 19:49:31,444 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-19 19:49:31,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 19:49:31,445 INFO L225 Difference]: With dead ends: 42 [2019-11-19 19:49:31,445 INFO L226 Difference]: Without dead ends: 28 [2019-11-19 19:49:31,446 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 19:49:31,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-11-19 19:49:31,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2019-11-19 19:49:31,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-11-19 19:49:31,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 27 transitions. [2019-11-19 19:49:31,449 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 27 transitions. Word has length 24 [2019-11-19 19:49:31,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 19:49:31,450 INFO L462 AbstractCegarLoop]: Abstraction has 28 states and 27 transitions. [2019-11-19 19:49:31,450 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 19:49:31,450 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 27 transitions. [2019-11-19 19:49:31,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-19 19:49:31,451 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 19:49:31,451 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 19:49:31,652 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-19 19:49:31,654 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, g5Err2ASSERT_VIOLATIONMEMORY_FREE, g5Err0ASSERT_VIOLATIONMEMORY_FREE, g5Err1ASSERT_VIOLATIONMEMORY_FREE, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-19 19:49:31,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:49:31,655 INFO L82 PathProgramCache]: Analyzing trace with hash 2018548075, now seen corresponding path program 1 times [2019-11-19 19:49:31,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 19:49:31,656 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1954453660] [2019-11-19 19:49:31,656 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-19 19:49:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:49:31,918 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 24 conjunts are in the unsatisfiable core [2019-11-19 19:49:31,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 19:49:31,954 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 19:49:31,955 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 37 [2019-11-19 19:49:31,956 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-19 19:49:31,974 INFO L567 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2019-11-19 19:49:31,975 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 19:49:31,977 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-19 19:49:31,978 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:15 [2019-11-19 19:49:31,978 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 19:49:31,991 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 19:49:32,003 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 19:49:32,020 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 19:49:40,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:49:40,337 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 19:49:45,098 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-19 19:49:45,100 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Alternating quantifiers not yet supported at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:419) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:334) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-19 19:49:45,109 INFO L168 Benchmark]: Toolchain (without parser) took 21346.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 218.1 MB). Free memory was 961.7 MB in the beginning and 810.6 MB in the end (delta: 151.1 MB). Peak memory consumption was 369.2 MB. Max. memory is 11.5 GB. [2019-11-19 19:49:45,110 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 19:49:45,114 INFO L168 Benchmark]: CACSL2BoogieTranslator took 907.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -147.1 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2019-11-19 19:49:45,115 INFO L168 Benchmark]: Boogie Preprocessor took 116.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-19 19:49:45,115 INFO L168 Benchmark]: RCFGBuilder took 1598.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 984.8 MB in the end (delta: 111.9 MB). Peak memory consumption was 111.9 MB. Max. memory is 11.5 GB. [2019-11-19 19:49:45,119 INFO L168 Benchmark]: TraceAbstraction took 18716.88 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 82.3 MB). Free memory was 984.8 MB in the beginning and 810.6 MB in the end (delta: 174.2 MB). Peak memory consumption was 256.5 MB. Max. memory is 11.5 GB. [2019-11-19 19:49:45,123 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 907.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -147.1 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 116.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1598.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 984.8 MB in the end (delta: 111.9 MB). Peak memory consumption was 111.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 18716.88 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 82.3 MB). Free memory was 984.8 MB in the beginning and 810.6 MB in the end (delta: 174.2 MB). Peak memory consumption was 256.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:271) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...