./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_215218b0-22d9-4d8d-9cb0-4fdd398dc6e5/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_215218b0-22d9-4d8d-9cb0-4fdd398dc6e5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_215218b0-22d9-4d8d-9cb0-4fdd398dc6e5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_215218b0-22d9-4d8d-9cb0-4fdd398dc6e5/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i -s /tmp/vcloud-vcloud-master/worker/working_dir_215218b0-22d9-4d8d-9cb0-4fdd398dc6e5/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_215218b0-22d9-4d8d-9cb0-4fdd398dc6e5/bin/uautomizer --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 d4308bd7904aec4bec637498669b187d310fac2d ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_215218b0-22d9-4d8d-9cb0-4fdd398dc6e5/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_215218b0-22d9-4d8d-9cb0-4fdd398dc6e5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_215218b0-22d9-4d8d-9cb0-4fdd398dc6e5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_215218b0-22d9-4d8d-9cb0-4fdd398dc6e5/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i -s /tmp/vcloud-vcloud-master/worker/working_dir_215218b0-22d9-4d8d-9cb0-4fdd398dc6e5/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_215218b0-22d9-4d8d-9cb0-4fdd398dc6e5/bin/uautomizer --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 d4308bd7904aec4bec637498669b187d310fac2d .......................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort C_DOUBLE not declared --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:02:24,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:02:24,771 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:02:24,783 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:02:24,783 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:02:24,784 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:02:24,785 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:02:24,786 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:02:24,788 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:02:24,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:02:24,792 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:02:24,793 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:02:24,793 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:02:24,794 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:02:24,794 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:02:24,795 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:02:24,796 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:02:24,797 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:02:24,798 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:02:24,799 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:02:24,801 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:02:24,802 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:02:24,802 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:02:24,803 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:02:24,815 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:02:24,816 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:02:24,816 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:02:24,817 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:02:24,817 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:02:24,818 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:02:24,818 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:02:24,819 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:02:24,819 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:02:24,820 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:02:24,821 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:02:24,821 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:02:24,822 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:02:24,822 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:02:24,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:02:24,823 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:02:24,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:02:24,829 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_215218b0-22d9-4d8d-9cb0-4fdd398dc6e5/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-10-22 09:02:24,845 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:02:24,845 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:02:24,846 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:02:24,846 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:02:24,846 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:02:24,847 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:02:24,847 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:02:24,847 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 09:02:24,847 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:02:24,847 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:02:24,847 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:02:24,848 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 09:02:24,848 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 09:02:24,848 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 09:02:24,848 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:02:24,848 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:02:24,848 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:02:24,849 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:02:24,849 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:02:24,849 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:02:24,849 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:02:24,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:02:24,850 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:02:24,850 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:02:24,850 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:02:24,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:02:24,850 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_215218b0-22d9-4d8d-9cb0-4fdd398dc6e5/bin/uautomizer 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 -> d4308bd7904aec4bec637498669b187d310fac2d [2019-10-22 09:02:24,875 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:02:24,885 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:02:24,888 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:02:24,890 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:02:24,890 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:02:24,891 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_215218b0-22d9-4d8d-9cb0-4fdd398dc6e5/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i [2019-10-22 09:02:24,941 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_215218b0-22d9-4d8d-9cb0-4fdd398dc6e5/bin/uautomizer/data/54dab088c/efdf5d01f3f849f6948ca347664fe382/FLAG7b9cc56b7 [2019-10-22 09:02:25,404 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:02:25,404 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_215218b0-22d9-4d8d-9cb0-4fdd398dc6e5/sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i [2019-10-22 09:02:25,417 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_215218b0-22d9-4d8d-9cb0-4fdd398dc6e5/bin/uautomizer/data/54dab088c/efdf5d01f3f849f6948ca347664fe382/FLAG7b9cc56b7 [2019-10-22 09:02:25,916 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_215218b0-22d9-4d8d-9cb0-4fdd398dc6e5/bin/uautomizer/data/54dab088c/efdf5d01f3f849f6948ca347664fe382 [2019-10-22 09:02:25,918 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:02:25,920 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-10-22 09:02:25,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:25,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:02:25,924 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:02:25,925 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:25" (1/1) ... [2019-10-22 09:02:25,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1919f153 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:25, skipping insertion in model container [2019-10-22 09:02:25,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:25" (1/1) ... [2019-10-22 09:02:25,934 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:02:25,975 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:02:26,426 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:26,447 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:02:26,511 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:26,570 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:02:26,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:26 WrapperNode [2019-10-22 09:02:26,570 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:26,571 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:02:26,571 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:02:26,571 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:02:26,584 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:26" (1/1) ... [2019-10-22 09:02:26,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:26" (1/1) ... [2019-10-22 09:02:26,604 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:26" (1/1) ... [2019-10-22 09:02:26,605 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:26" (1/1) ... [2019-10-22 09:02:26,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:26" (1/1) ... [2019-10-22 09:02:26,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:26" (1/1) ... [2019-10-22 09:02:26,644 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:26" (1/1) ... [2019-10-22 09:02:26,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:02:26,667 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:02:26,667 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:02:26,667 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:02:26,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_215218b0-22d9-4d8d-9cb0-4fdd398dc6e5/bin/uautomizer/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 [2019-10-22 09:02:26,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-22 09:02:26,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:02:26,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-22 09:02:26,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-22 09:02:26,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-22 09:02:26,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-10-22 09:02:26,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-10-22 09:02:26,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-10-22 09:02:26,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-10-22 09:02:26,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-10-22 09:02:26,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-22 09:02:26,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-22 09:02:26,720 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-10-22 09:02:26,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-10-22 09:02:26,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-10-22 09:02:26,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-10-22 09:02:26,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-10-22 09:02:26,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-10-22 09:02:26,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-10-22 09:02:26,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-10-22 09:02:26,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-10-22 09:02:26,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-10-22 09:02:26,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-10-22 09:02:26,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-10-22 09:02:26,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-10-22 09:02:26,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-10-22 09:02:26,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-10-22 09:02:26,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-10-22 09:02:26,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-10-22 09:02:26,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-10-22 09:02:26,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-10-22 09:02:26,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-10-22 09:02:26,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-10-22 09:02:26,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-10-22 09:02:26,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-10-22 09:02:26,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-10-22 09:02:26,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-10-22 09:02:26,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-10-22 09:02:26,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-10-22 09:02:26,723 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-10-22 09:02:26,723 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-10-22 09:02:26,723 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_10 [2019-10-22 09:02:26,724 INFO L138 BoogieDeclarations]: Found implementation of procedure free_10 [2019-10-22 09:02:26,724 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-10-22 09:02:26,724 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-22 09:02:26,724 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-22 09:02:26,724 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-22 09:02:26,724 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-22 09:02:26,724 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-22 09:02:26,724 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-22 09:02:26,725 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-22 09:02:26,725 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-22 09:02:26,725 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-22 09:02:26,725 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-22 09:02:26,725 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-22 09:02:26,725 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-22 09:02:26,725 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-22 09:02:26,725 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-22 09:02:26,726 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-22 09:02:26,726 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-22 09:02:26,726 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-22 09:02:26,726 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-22 09:02:26,726 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-22 09:02:26,726 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-22 09:02:26,726 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-22 09:02:26,726 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-22 09:02:26,726 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-10-22 09:02:26,727 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-10-22 09:02:26,727 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-10-22 09:02:26,727 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-22 09:02:26,727 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-22 09:02:26,727 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-22 09:02:26,727 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-22 09:02:26,727 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-22 09:02:26,727 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-22 09:02:26,728 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-22 09:02:26,728 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-22 09:02:26,728 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-22 09:02:26,728 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-22 09:02:26,728 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-22 09:02:26,728 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-22 09:02:26,728 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-22 09:02:26,729 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-22 09:02:26,729 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-22 09:02:26,729 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-22 09:02:26,729 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-22 09:02:26,729 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-22 09:02:26,729 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-22 09:02:26,729 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-22 09:02:26,729 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-22 09:02:26,730 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-22 09:02:26,730 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-22 09:02:26,730 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-22 09:02:26,730 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-22 09:02:26,730 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-22 09:02:26,730 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-22 09:02:26,730 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-22 09:02:26,730 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-22 09:02:26,730 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-22 09:02:26,730 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-22 09:02:26,731 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-22 09:02:26,731 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-22 09:02:26,731 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-22 09:02:26,731 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-22 09:02:26,731 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-22 09:02:26,731 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-22 09:02:26,731 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-22 09:02:26,731 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-22 09:02:26,732 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-22 09:02:26,732 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-22 09:02:26,732 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-22 09:02:26,732 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-22 09:02:26,732 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-22 09:02:26,732 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-22 09:02:26,732 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-22 09:02:26,732 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-22 09:02:26,732 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-22 09:02:26,733 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-22 09:02:26,733 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-22 09:02:26,733 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-22 09:02:26,733 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-22 09:02:26,733 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-22 09:02:26,733 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-22 09:02:26,733 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-22 09:02:26,733 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-22 09:02:26,733 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-22 09:02:26,734 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-22 09:02:26,734 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-22 09:02:26,734 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-22 09:02:26,734 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-22 09:02:26,734 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-22 09:02:26,734 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-22 09:02:26,734 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-22 09:02:26,734 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-22 09:02:26,734 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-22 09:02:26,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-22 09:02:26,735 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-22 09:02:26,735 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-22 09:02:26,735 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-22 09:02:26,735 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-22 09:02:26,735 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-22 09:02:26,735 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-22 09:02:26,735 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-22 09:02:26,735 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-22 09:02:26,736 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-22 09:02:26,738 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-22 09:02:26,738 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-22 09:02:26,738 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-22 09:02:26,738 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-22 09:02:26,738 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-22 09:02:26,738 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-22 09:02:26,738 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-22 09:02:26,739 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-22 09:02:26,739 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-22 09:02:26,739 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-22 09:02:26,739 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-22 09:02:26,739 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-22 09:02:26,739 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-22 09:02:26,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-10-22 09:02:26,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-10-22 09:02:26,739 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-22 09:02:26,740 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-22 09:02:26,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-22 09:02:26,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 09:02:26,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-22 09:02:26,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-22 09:02:26,740 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-10-22 09:02:26,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 09:02:26,740 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-10-22 09:02:26,740 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-10-22 09:02:26,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-10-22 09:02:26,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 09:02:26,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-10-22 09:02:26,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-10-22 09:02:26,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-10-22 09:02:26,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-10-22 09:02:26,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-22 09:02:26,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-10-22 09:02:26,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 09:02:26,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-10-22 09:02:26,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-10-22 09:02:26,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-10-22 09:02:26,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-10-22 09:02:26,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-10-22 09:02:26,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 09:02:26,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 09:02:26,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-10-22 09:02:26,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-10-22 09:02:26,742 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-22 09:02:26,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-10-22 09:02:26,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-10-22 09:02:26,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-10-22 09:02:26,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-10-22 09:02:26,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-10-22 09:02:26,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-10-22 09:02:26,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-10-22 09:02:26,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-10-22 09:02:26,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-10-22 09:02:26,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-10-22 09:02:26,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-10-22 09:02:26,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-22 09:02:26,747 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-10-22 09:02:26,747 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-10-22 09:02:26,747 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_10 [2019-10-22 09:02:26,747 INFO L130 BoogieDeclarations]: Found specification of procedure free_10 [2019-10-22 09:02:26,747 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-10-22 09:02:26,747 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-22 09:02:26,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-22 09:02:26,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:02:26,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-22 09:02:26,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:02:26,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-22 09:02:26,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-22 09:02:26,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-22 09:02:26,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-22 09:02:27,310 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 09:02:27,525 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 09:02:27,834 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:02:27,835 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-22 09:02:27,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:27 BoogieIcfgContainer [2019-10-22 09:02:27,836 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:02:27,837 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:02:27,837 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:02:27,840 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:02:27,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:02:25" (1/3) ... [2019-10-22 09:02:27,842 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61495054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:02:27, skipping insertion in model container [2019-10-22 09:02:27,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:26" (2/3) ... [2019-10-22 09:02:27,842 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61495054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:02:27, skipping insertion in model container [2019-10-22 09:02:27,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:27" (3/3) ... [2019-10-22 09:02:27,844 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test10-2.i [2019-10-22 09:02:27,855 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:02:27,871 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 113 error locations. [2019-10-22 09:02:27,883 INFO L249 AbstractCegarLoop]: Starting to check reachability of 113 error locations. [2019-10-22 09:02:27,904 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:02:27,904 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 09:02:27,904 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:02:27,904 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:02:27,904 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:02:27,905 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:02:27,905 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:02:27,905 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:02:27,929 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states. [2019-10-22 09:02:27,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 09:02:27,940 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:27,941 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:27,943 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err2REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err5REQUIRES_VIOLATION, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err4REQUIRES_VIOLATION, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-10-22 09:02:27,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:27,949 INFO L82 PathProgramCache]: Analyzing trace with hash -1605444003, now seen corresponding path program 1 times [2019-10-22 09:02:27,958 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:27,958 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64753620] [2019-10-22 09:02:27,959 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:27,959 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:27,959 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:28,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:28,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:28,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:28,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:28,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:28,350 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64753620] [2019-10-22 09:02:28,351 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:28,351 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-22 09:02:28,352 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172791745] [2019-10-22 09:02:28,358 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 09:02:28,358 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:28,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 09:02:28,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:02:28,375 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 8 states. [2019-10-22 09:02:29,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:29,280 INFO L93 Difference]: Finished difference Result 213 states and 239 transitions. [2019-10-22 09:02:29,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 09:02:29,282 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2019-10-22 09:02:29,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:29,294 INFO L225 Difference]: With dead ends: 213 [2019-10-22 09:02:29,294 INFO L226 Difference]: Without dead ends: 206 [2019-10-22 09:02:29,296 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2019-10-22 09:02:29,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2019-10-22 09:02:29,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 102. [2019-10-22 09:02:29,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2019-10-22 09:02:29,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 107 transitions. [2019-10-22 09:02:29,344 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 107 transitions. Word has length 16 [2019-10-22 09:02:29,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:29,345 INFO L462 AbstractCegarLoop]: Abstraction has 102 states and 107 transitions. [2019-10-22 09:02:29,345 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 09:02:29,345 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 107 transitions. [2019-10-22 09:02:29,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 09:02:29,347 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:29,347 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:29,348 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err2REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err5REQUIRES_VIOLATION, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err4REQUIRES_VIOLATION, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-10-22 09:02:29,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:29,349 INFO L82 PathProgramCache]: Analyzing trace with hash -709511392, now seen corresponding path program 1 times [2019-10-22 09:02:29,349 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:29,349 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190882341] [2019-10-22 09:02:29,349 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:29,349 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:29,350 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:29,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:29,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:29,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:29,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:29,528 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 09:02:29,528 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190882341] [2019-10-22 09:02:29,528 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [463371194] [2019-10-22 09:02:29,529 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_215218b0-22d9-4d8d-9cb0-4fdd398dc6e5/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:02:29,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:29,717 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-22 09:02:29,722 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:02:29,782 INFO L375 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 [2019-10-22 09:02:29,783 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:02:29,786 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:29,786 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 09:02:29,787 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-10-22 09:02:29,826 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:29,827 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 28 [2019-10-22 09:02:29,827 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:02:29,838 INFO L567 ElimStorePlain]: treesize reduction 14, result has 44.0 percent of original size [2019-10-22 09:02:29,839 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. [2019-10-22 09:02:29,839 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2019-10-22 09:02:29,854 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:29,854 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 09:02:29,855 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 9 [2019-10-22 09:02:29,855 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384963296] [2019-10-22 09:02:29,856 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-22 09:02:29,856 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:29,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-22 09:02:29,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-10-22 09:02:29,857 INFO L87 Difference]: Start difference. First operand 102 states and 107 transitions. Second operand 10 states. [2019-10-22 09:02:31,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:31,033 INFO L93 Difference]: Finished difference Result 192 states and 216 transitions. [2019-10-22 09:02:31,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-22 09:02:31,034 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 19 [2019-10-22 09:02:31,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:31,036 INFO L225 Difference]: With dead ends: 192 [2019-10-22 09:02:31,036 INFO L226 Difference]: Without dead ends: 192 [2019-10-22 09:02:31,037 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2019-10-22 09:02:31,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2019-10-22 09:02:31,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 113. [2019-10-22 09:02:31,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-10-22 09:02:31,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 127 transitions. [2019-10-22 09:02:31,051 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 127 transitions. Word has length 19 [2019-10-22 09:02:31,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:31,051 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 127 transitions. [2019-10-22 09:02:31,051 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-22 09:02:31,052 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 127 transitions. [2019-10-22 09:02:31,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 09:02:31,052 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:31,052 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:31,253 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:02:31,254 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err2REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err5REQUIRES_VIOLATION, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err4REQUIRES_VIOLATION, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-10-22 09:02:31,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:31,254 INFO L82 PathProgramCache]: Analyzing trace with hash -709511391, now seen corresponding path program 1 times [2019-10-22 09:02:31,254 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:31,254 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017219378] [2019-10-22 09:02:31,255 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:31,255 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:31,255 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:31,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:31,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:31,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:31,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:31,474 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 09:02:31,475 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017219378] [2019-10-22 09:02:31,475 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [554185550] [2019-10-22 09:02:31,475 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_215218b0-22d9-4d8d-9cb0-4fdd398dc6e5/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:02:31,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:31,590 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 27 conjunts are in the unsatisfiable core [2019-10-22 09:02:31,592 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:02:31,600 INFO L375 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 [2019-10-22 09:02:31,600 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:02:31,604 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:31,604 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 09:02:31,604 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-10-22 09:02:31,698 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:31,698 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 28 [2019-10-22 09:02:31,698 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:02:31,709 INFO L567 ElimStorePlain]: treesize reduction 14, result has 50.0 percent of original size [2019-10-22 09:02:31,710 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. [2019-10-22 09:02:31,710 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:14 [2019-10-22 09:02:31,722 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:31,722 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 09:02:31,723 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2019-10-22 09:02:31,723 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541053428] [2019-10-22 09:02:31,723 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-10-22 09:02:31,723 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:31,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-10-22 09:02:31,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2019-10-22 09:02:31,724 INFO L87 Difference]: Start difference. First operand 113 states and 127 transitions. Second operand 16 states. [2019-10-22 09:02:33,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:33,405 INFO L93 Difference]: Finished difference Result 334 states and 372 transitions. [2019-10-22 09:02:33,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-22 09:02:33,405 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 19 [2019-10-22 09:02:33,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:33,407 INFO L225 Difference]: With dead ends: 334 [2019-10-22 09:02:33,408 INFO L226 Difference]: Without dead ends: 334 [2019-10-22 09:02:33,408 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=97, Invalid=455, Unknown=0, NotChecked=0, Total=552 [2019-10-22 09:02:33,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2019-10-22 09:02:33,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 141. [2019-10-22 09:02:33,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-10-22 09:02:33,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 174 transitions. [2019-10-22 09:02:33,426 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 174 transitions. Word has length 19 [2019-10-22 09:02:33,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:33,426 INFO L462 AbstractCegarLoop]: Abstraction has 141 states and 174 transitions. [2019-10-22 09:02:33,426 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-10-22 09:02:33,426 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 174 transitions. [2019-10-22 09:02:33,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 09:02:33,427 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:33,427 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:33,627 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:02:33,628 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err2REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err5REQUIRES_VIOLATION, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err4REQUIRES_VIOLATION, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-10-22 09:02:33,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:33,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1788504545, now seen corresponding path program 1 times [2019-10-22 09:02:33,628 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:33,628 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726048373] [2019-10-22 09:02:33,628 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:33,628 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:33,629 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:33,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:33,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:33,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:33,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:33,725 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 09:02:33,728 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726048373] [2019-10-22 09:02:33,729 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2132360862] [2019-10-22 09:02:33,729 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_215218b0-22d9-4d8d-9cb0-4fdd398dc6e5/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:02:33,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:33,822 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 13 conjunts are in the unsatisfiable core [2019-10-22 09:02:33,824 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:02:33,838 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:33,839 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 09:02:33,839 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 7 [2019-10-22 09:02:33,839 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486276036] [2019-10-22 09:02:33,839 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:02:33,840 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:33,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:02:33,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-22 09:02:33,840 INFO L87 Difference]: Start difference. First operand 141 states and 174 transitions. Second operand 5 states. [2019-10-22 09:02:33,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:33,863 INFO L93 Difference]: Finished difference Result 107 states and 115 transitions. [2019-10-22 09:02:33,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 09:02:33,863 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2019-10-22 09:02:33,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:33,864 INFO L225 Difference]: With dead ends: 107 [2019-10-22 09:02:33,864 INFO L226 Difference]: Without dead ends: 103 [2019-10-22 09:02:33,864 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-22 09:02:33,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-10-22 09:02:33,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2019-10-22 09:02:33,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-10-22 09:02:33,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 111 transitions. [2019-10-22 09:02:33,873 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 111 transitions. Word has length 19 [2019-10-22 09:02:33,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:33,873 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 111 transitions. [2019-10-22 09:02:33,873 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:02:33,873 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 111 transitions. [2019-10-22 09:02:33,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 09:02:33,874 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:33,874 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:34,074 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:02:34,075 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err2REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err5REQUIRES_VIOLATION, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err4REQUIRES_VIOLATION, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-10-22 09:02:34,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:34,075 INFO L82 PathProgramCache]: Analyzing trace with hash 73591324, now seen corresponding path program 1 times [2019-10-22 09:02:34,076 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:34,076 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117296682] [2019-10-22 09:02:34,076 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:34,076 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:34,076 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:34,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:34,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:34,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:34,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:34,153 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 09:02:34,153 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117296682] [2019-10-22 09:02:34,153 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:34,154 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-22 09:02:34,154 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451619714] [2019-10-22 09:02:34,154 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 09:02:34,154 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:34,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 09:02:34,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:02:34,155 INFO L87 Difference]: Start difference. First operand 103 states and 111 transitions. Second operand 8 states. [2019-10-22 09:02:34,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:34,393 INFO L93 Difference]: Finished difference Result 118 states and 128 transitions. [2019-10-22 09:02:34,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 09:02:34,393 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2019-10-22 09:02:34,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:34,394 INFO L225 Difference]: With dead ends: 118 [2019-10-22 09:02:34,394 INFO L226 Difference]: Without dead ends: 118 [2019-10-22 09:02:34,395 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-10-22 09:02:34,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2019-10-22 09:02:34,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 107. [2019-10-22 09:02:34,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-10-22 09:02:34,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 115 transitions. [2019-10-22 09:02:34,402 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 115 transitions. Word has length 24 [2019-10-22 09:02:34,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:34,402 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 115 transitions. [2019-10-22 09:02:34,402 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 09:02:34,403 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 115 transitions. [2019-10-22 09:02:34,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 09:02:34,403 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:34,403 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:34,404 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err2REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err5REQUIRES_VIOLATION, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err4REQUIRES_VIOLATION, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-10-22 09:02:34,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:34,405 INFO L82 PathProgramCache]: Analyzing trace with hash -1733863139, now seen corresponding path program 1 times [2019-10-22 09:02:34,405 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:34,405 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709946126] [2019-10-22 09:02:34,405 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:34,405 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:34,405 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:34,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:34,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:34,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:34,500 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 09:02:34,500 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709946126] [2019-10-22 09:02:34,500 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1671797788] [2019-10-22 09:02:34,501 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_215218b0-22d9-4d8d-9cb0-4fdd398dc6e5/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:02:34,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:34,597 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 09:02:34,599 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:02:34,606 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 09:02:34,606 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 09:02:34,606 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 6 [2019-10-22 09:02:34,606 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953914462] [2019-10-22 09:02:34,607 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 09:02:34,607 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:34,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 09:02:34,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-22 09:02:34,607 INFO L87 Difference]: Start difference. First operand 107 states and 115 transitions. Second operand 7 states. [2019-10-22 09:02:34,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:34,900 INFO L93 Difference]: Finished difference Result 112 states and 119 transitions. [2019-10-22 09:02:34,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 09:02:34,900 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2019-10-22 09:02:34,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:34,901 INFO L225 Difference]: With dead ends: 112 [2019-10-22 09:02:34,901 INFO L226 Difference]: Without dead ends: 112 [2019-10-22 09:02:34,901 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-22 09:02:34,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-10-22 09:02:34,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 106. [2019-10-22 09:02:34,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-10-22 09:02:34,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 113 transitions. [2019-10-22 09:02:34,912 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 113 transitions. Word has length 24 [2019-10-22 09:02:34,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:34,913 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 113 transitions. [2019-10-22 09:02:34,913 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 09:02:34,913 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 113 transitions. [2019-10-22 09:02:34,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-22 09:02:34,914 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:34,914 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:35,115 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:02:35,116 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err2REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err5REQUIRES_VIOLATION, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err4REQUIRES_VIOLATION, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-10-22 09:02:35,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:35,116 INFO L82 PathProgramCache]: Analyzing trace with hash -172732826, now seen corresponding path program 1 times [2019-10-22 09:02:35,116 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:35,116 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016181230] [2019-10-22 09:02:35,117 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:35,117 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:35,117 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:35,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:35,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:35,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:35,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:35,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:35,262 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-22 09:02:35,262 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016181230] [2019-10-22 09:02:35,262 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1572552269] [2019-10-22 09:02:35,262 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_215218b0-22d9-4d8d-9cb0-4fdd398dc6e5/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:02:35,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:35,352 INFO L256 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 14 conjunts are in the unsatisfiable core [2019-10-22 09:02:35,354 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:02:35,369 INFO L375 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 [2019-10-22 09:02:35,370 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:02:35,371 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:35,372 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 09:02:35,372 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-10-22 09:02:35,377 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2019-10-22 09:02:35,377 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:02:35,381 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:35,382 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 09:02:35,382 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:9 [2019-10-22 09:02:35,386 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2019-10-22 09:02:35,386 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:02:35,388 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:35,388 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 09:02:35,388 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:17, output treesize:5 [2019-10-22 09:02:35,420 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:35,420 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2019-10-22 09:02:35,421 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:02:35,434 INFO L567 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2019-10-22 09:02:35,435 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. [2019-10-22 09:02:35,435 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2019-10-22 09:02:35,451 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 09:02:35,452 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 09:02:35,452 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 11 [2019-10-22 09:02:35,452 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119692716] [2019-10-22 09:02:35,452 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-22 09:02:35,452 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:35,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-22 09:02:35,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2019-10-22 09:02:35,453 INFO L87 Difference]: Start difference. First operand 106 states and 113 transitions. Second operand 12 states. [2019-10-22 09:02:36,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:36,197 INFO L93 Difference]: Finished difference Result 137 states and 150 transitions. [2019-10-22 09:02:36,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-22 09:02:36,197 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 29 [2019-10-22 09:02:36,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:36,198 INFO L225 Difference]: With dead ends: 137 [2019-10-22 09:02:36,198 INFO L226 Difference]: Without dead ends: 137 [2019-10-22 09:02:36,199 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2019-10-22 09:02:36,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-10-22 09:02:36,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 109. [2019-10-22 09:02:36,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-10-22 09:02:36,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 119 transitions. [2019-10-22 09:02:36,204 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 119 transitions. Word has length 29 [2019-10-22 09:02:36,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:36,205 INFO L462 AbstractCegarLoop]: Abstraction has 109 states and 119 transitions. [2019-10-22 09:02:36,205 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-22 09:02:36,205 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 119 transitions. [2019-10-22 09:02:36,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-22 09:02:36,205 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:36,206 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:36,406 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:02:36,407 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err2REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err5REQUIRES_VIOLATION, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err4REQUIRES_VIOLATION, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-10-22 09:02:36,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:36,407 INFO L82 PathProgramCache]: Analyzing trace with hash -172732825, now seen corresponding path program 1 times [2019-10-22 09:02:36,407 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:36,407 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444097936] [2019-10-22 09:02:36,407 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:36,408 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:36,408 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:36,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:36,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:36,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:36,600 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-22 09:02:36,601 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444097936] [2019-10-22 09:02:36,601 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1814138187] [2019-10-22 09:02:36,601 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_215218b0-22d9-4d8d-9cb0-4fdd398dc6e5/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:02:36,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:36,699 INFO L256 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 31 conjunts are in the unsatisfiable core [2019-10-22 09:02:36,701 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:02:36,706 INFO L375 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 [2019-10-22 09:02:36,707 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:02:36,711 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:36,711 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 09:02:36,711 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-10-22 09:02:36,751 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2019-10-22 09:02:36,751 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:02:36,757 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:36,760 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2019-10-22 09:02:36,761 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 09:02:36,766 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:36,767 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 09:02:36,767 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:28, output treesize:17 [2019-10-22 09:02:36,790 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2019-10-22 09:02:36,790 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:02:36,796 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:36,799 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-10-22 09:02:36,799 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 09:02:36,803 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:36,804 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 09:02:36,804 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:31, output treesize:9 [2019-10-22 09:02:36,895 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:36,895 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 28 [2019-10-22 09:02:36,896 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:02:36,909 INFO L567 ElimStorePlain]: treesize reduction 14, result has 50.0 percent of original size [2019-10-22 09:02:36,909 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. [2019-10-22 09:02:36,909 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:14 [2019-10-22 09:02:36,923 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 09:02:36,924 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 09:02:36,924 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 17 [2019-10-22 09:02:36,924 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631099198] [2019-10-22 09:02:36,924 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-10-22 09:02:36,924 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:36,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-10-22 09:02:36,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2019-10-22 09:02:36,925 INFO L87 Difference]: Start difference. First operand 109 states and 119 transitions. Second operand 18 states. [2019-10-22 09:02:37,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:37,827 INFO L93 Difference]: Finished difference Result 160 states and 172 transitions. [2019-10-22 09:02:37,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-22 09:02:37,827 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 29 [2019-10-22 09:02:37,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:37,828 INFO L225 Difference]: With dead ends: 160 [2019-10-22 09:02:37,828 INFO L226 Difference]: Without dead ends: 160 [2019-10-22 09:02:37,828 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=114, Invalid=642, Unknown=0, NotChecked=0, Total=756 [2019-10-22 09:02:37,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-10-22 09:02:37,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 113. [2019-10-22 09:02:37,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-10-22 09:02:37,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 122 transitions. [2019-10-22 09:02:37,834 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 122 transitions. Word has length 29 [2019-10-22 09:02:37,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:37,834 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 122 transitions. [2019-10-22 09:02:37,834 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-10-22 09:02:37,834 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 122 transitions. [2019-10-22 09:02:37,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-22 09:02:37,835 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:37,835 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:38,035 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:02:38,036 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err2REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err5REQUIRES_VIOLATION, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err4REQUIRES_VIOLATION, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-10-22 09:02:38,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:38,037 INFO L82 PathProgramCache]: Analyzing trace with hash -708569454, now seen corresponding path program 1 times [2019-10-22 09:02:38,037 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:38,037 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547862723] [2019-10-22 09:02:38,037 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:38,037 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:38,037 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:38,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:38,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:38,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:38,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:38,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:38,167 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 09:02:38,167 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547862723] [2019-10-22 09:02:38,167 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1927238761] [2019-10-22 09:02:38,167 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_215218b0-22d9-4d8d-9cb0-4fdd398dc6e5/bin/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:02:38,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:38,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 18 conjunts are in the unsatisfiable core [2019-10-22 09:02:38,263 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:02:38,320 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 09:02:38,321 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 09:02:38,321 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 12 [2019-10-22 09:02:38,321 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616538301] [2019-10-22 09:02:38,321 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-22 09:02:38,322 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:38,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-22 09:02:38,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2019-10-22 09:02:38,322 INFO L87 Difference]: Start difference. First operand 113 states and 122 transitions. Second operand 13 states. [2019-10-22 09:02:38,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:38,754 INFO L93 Difference]: Finished difference Result 140 states and 152 transitions. [2019-10-22 09:02:38,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 09:02:38,755 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 28 [2019-10-22 09:02:38,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:38,756 INFO L225 Difference]: With dead ends: 140 [2019-10-22 09:02:38,756 INFO L226 Difference]: Without dead ends: 134 [2019-10-22 09:02:38,756 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2019-10-22 09:02:38,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-10-22 09:02:38,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 110. [2019-10-22 09:02:38,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-10-22 09:02:38,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 118 transitions. [2019-10-22 09:02:38,761 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 118 transitions. Word has length 28 [2019-10-22 09:02:38,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:38,761 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 118 transitions. [2019-10-22 09:02:38,761 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-22 09:02:38,761 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 118 transitions. [2019-10-22 09:02:38,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-22 09:02:38,762 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:38,762 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:38,962 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:02:38,963 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err2REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err5REQUIRES_VIOLATION, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err4REQUIRES_VIOLATION, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-10-22 09:02:38,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:38,964 INFO L82 PathProgramCache]: Analyzing trace with hash -678291451, now seen corresponding path program 1 times [2019-10-22 09:02:38,964 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:38,964 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163430204] [2019-10-22 09:02:38,964 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:38,964 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:38,964 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:38,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:39,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:39,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:39,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:39,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:39,082 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 09:02:39,082 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163430204] [2019-10-22 09:02:39,082 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1325043497] [2019-10-22 09:02:39,082 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_215218b0-22d9-4d8d-9cb0-4fdd398dc6e5/bin/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:02:39,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:39,199 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-22 09:02:39,200 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:02:39,215 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2019-10-22 09:02:39,215 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:02:39,220 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:39,222 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2019-10-22 09:02:39,222 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 09:02:39,226 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:39,226 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 09:02:39,227 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:23, output treesize:15 [2019-10-22 09:02:39,231 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-10-22 09:02:39,232 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:02:39,237 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:39,243 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-10-22 09:02:39,243 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 09:02:39,247 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:39,247 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 09:02:39,247 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2019-10-22 09:02:39,249 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 09:02:39,249 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 09:02:39,249 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 8 [2019-10-22 09:02:39,250 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306443800] [2019-10-22 09:02:39,250 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 09:02:39,250 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:39,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:02:39,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:02:39,251 INFO L87 Difference]: Start difference. First operand 110 states and 118 transitions. Second operand 6 states. [2019-10-22 09:02:39,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:39,326 INFO L93 Difference]: Finished difference Result 105 states and 110 transitions. [2019-10-22 09:02:39,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 09:02:39,327 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 29 [2019-10-22 09:02:39,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:39,327 INFO L225 Difference]: With dead ends: 105 [2019-10-22 09:02:39,328 INFO L226 Difference]: Without dead ends: 99 [2019-10-22 09:02:39,328 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 34 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-10-22 09:02:39,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2019-10-22 09:02:39,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 97. [2019-10-22 09:02:39,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2019-10-22 09:02:39,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 102 transitions. [2019-10-22 09:02:39,331 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 102 transitions. Word has length 29 [2019-10-22 09:02:39,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:39,331 INFO L462 AbstractCegarLoop]: Abstraction has 97 states and 102 transitions. [2019-10-22 09:02:39,331 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 09:02:39,331 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 102 transitions. [2019-10-22 09:02:39,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 09:02:39,336 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:39,337 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:39,537 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:02:39,538 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err2REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err5REQUIRES_VIOLATION, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err4REQUIRES_VIOLATION, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-10-22 09:02:39,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:39,538 INFO L82 PathProgramCache]: Analyzing trace with hash -512442236, now seen corresponding path program 1 times [2019-10-22 09:02:39,538 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:39,539 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102963204] [2019-10-22 09:02:39,539 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:39,539 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:39,539 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:39,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:39,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:39,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:39,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:39,717 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-22 09:02:39,717 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102963204] [2019-10-22 09:02:39,718 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [335061345] [2019-10-22 09:02:39,718 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_215218b0-22d9-4d8d-9cb0-4fdd398dc6e5/bin/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:02:39,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:39,829 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 31 conjunts are in the unsatisfiable core [2019-10-22 09:02:39,831 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:02:39,900 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2019-10-22 09:02:39,901 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:02:39,905 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:39,907 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2019-10-22 09:02:39,907 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 09:02:39,911 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:39,911 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 09:02:39,912 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:26, output treesize:11 [2019-10-22 09:02:39,929 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-10-22 09:02:39,930 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:02:39,934 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:39,934 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 09:02:39,934 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:14 [2019-10-22 09:02:39,956 INFO L375 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 [2019-10-22 09:02:39,956 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:02:39,959 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:39,959 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 09:02:39,959 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-10-22 09:02:39,997 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:39,998 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 39 [2019-10-22 09:02:39,999 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:02:40,001 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-10-22 09:02:40,022 INFO L567 ElimStorePlain]: treesize reduction 23, result has 65.7 percent of original size [2019-10-22 09:02:40,023 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:02:40,023 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 09:02:40,023 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:37, output treesize:43 [2019-10-22 09:02:40,050 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:02:40,061 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2019-10-22 09:02:40,062 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:02:40,068 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:40,069 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 25 [2019-10-22 09:02:40,069 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:02:40,070 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:02:40,071 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-22 09:02:40,089 INFO L567 ElimStorePlain]: treesize reduction 8, result has 74.2 percent of original size [2019-10-22 09:02:40,090 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2019-10-22 09:02:40,090 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:23 [2019-10-22 09:02:40,100 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 09:02:40,100 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 09:02:40,100 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 21 [2019-10-22 09:02:40,100 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015806653] [2019-10-22 09:02:40,101 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-10-22 09:02:40,101 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:40,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-10-22 09:02:40,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2019-10-22 09:02:40,101 INFO L87 Difference]: Start difference. First operand 97 states and 102 transitions. Second operand 22 states. [2019-10-22 09:02:40,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:40,968 INFO L93 Difference]: Finished difference Result 118 states and 124 transitions. [2019-10-22 09:02:40,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-10-22 09:02:40,968 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 32 [2019-10-22 09:02:40,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:40,969 INFO L225 Difference]: With dead ends: 118 [2019-10-22 09:02:40,969 INFO L226 Difference]: Without dead ends: 118 [2019-10-22 09:02:40,970 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 29 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=184, Invalid=1148, Unknown=0, NotChecked=0, Total=1332 [2019-10-22 09:02:40,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2019-10-22 09:02:40,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 96. [2019-10-22 09:02:40,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-10-22 09:02:40,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 101 transitions. [2019-10-22 09:02:40,973 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 101 transitions. Word has length 32 [2019-10-22 09:02:40,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:40,973 INFO L462 AbstractCegarLoop]: Abstraction has 96 states and 101 transitions. [2019-10-22 09:02:40,973 INFO L463 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-10-22 09:02:40,974 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 101 transitions. [2019-10-22 09:02:40,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 09:02:40,974 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:40,974 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:41,175 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:02:41,175 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err2REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err5REQUIRES_VIOLATION, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err4REQUIRES_VIOLATION, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-10-22 09:02:41,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:41,176 INFO L82 PathProgramCache]: Analyzing trace with hash -512442235, now seen corresponding path program 1 times [2019-10-22 09:02:41,176 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:41,176 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897695745] [2019-10-22 09:02:41,176 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:41,176 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:41,176 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:41,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:41,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:41,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:41,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:41,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:41,381 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-22 09:02:41,382 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897695745] [2019-10-22 09:02:41,382 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [860802399] [2019-10-22 09:02:41,382 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_215218b0-22d9-4d8d-9cb0-4fdd398dc6e5/bin/uautomizer/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:02:41,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:41,484 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 42 conjunts are in the unsatisfiable core [2019-10-22 09:02:41,485 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:02:41,538 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2019-10-22 09:02:41,538 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:02:41,545 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:41,548 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2019-10-22 09:02:41,548 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 09:02:41,552 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:41,552 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 09:02:41,552 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:26, output treesize:11 [2019-10-22 09:02:41,624 INFO L375 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 [2019-10-22 09:02:41,624 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:02:41,631 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:41,632 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-22 09:02:41,632 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:20, output treesize:16 [2019-10-22 09:02:41,707 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:41,708 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 64 [2019-10-22 09:02:41,708 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:02:41,709 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-10-22 09:02:41,752 INFO L567 ElimStorePlain]: treesize reduction 34, result has 75.5 percent of original size [2019-10-22 09:02:41,770 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:02:41,771 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 97 treesize of output 132 [2019-10-22 09:02:41,772 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-22 09:02:41,773 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:02:41,773 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:02:41,774 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:02:41,775 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:02:41,776 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:02:41,777 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:02:41,777 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:02:41,778 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:02:41,779 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:02:41,780 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:02:41,785 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-22 09:02:41,989 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:02:41,989 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: This case should habe been handled by DER at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.DerPreprocessor.classify(DerPreprocessor.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.DerPreprocessor.classify(DerPreprocessor.java:192) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.DerPreprocessor.(DerPreprocessor.java:95) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:291) 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.doElimOneRec(ElimStorePlain.java:256) 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.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.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.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:184) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) 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:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-22 09:02:41,994 INFO L168 Benchmark]: Toolchain (without parser) took 16074.39 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 384.8 MB). Free memory was 940.7 MB in the beginning and 821.2 MB in the end (delta: 119.5 MB). Peak memory consumption was 504.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:41,994 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:02:41,995 INFO L168 Benchmark]: CACSL2BoogieTranslator took 649.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -163.7 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:41,995 INFO L168 Benchmark]: Boogie Preprocessor took 95.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:41,995 INFO L168 Benchmark]: RCFGBuilder took 1169.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 974.8 MB in the end (delta: 122.6 MB). Peak memory consumption was 122.6 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:41,996 INFO L168 Benchmark]: TraceAbstraction took 14155.62 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 242.2 MB). Free memory was 974.8 MB in the beginning and 821.2 MB in the end (delta: 153.6 MB). Peak memory consumption was 395.8 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:41,998 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 649.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -163.7 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 95.58 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1169.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 974.8 MB in the end (delta: 122.6 MB). Peak memory consumption was 122.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14155.62 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 242.2 MB). Free memory was 974.8 MB in the beginning and 821.2 MB in the end (delta: 153.6 MB). Peak memory consumption was 395.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: This case should habe been handled by DER de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: This case should habe been handled by DER: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.DerPreprocessor.classify(DerPreprocessor.java:212) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 09:02:44,201 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:02:44,203 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:02:44,213 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:02:44,213 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:02:44,214 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:02:44,215 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:02:44,216 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:02:44,218 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:02:44,218 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:02:44,219 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:02:44,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:02:44,220 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:02:44,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:02:44,222 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:02:44,223 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:02:44,223 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:02:44,224 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:02:44,225 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:02:44,227 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:02:44,228 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:02:44,229 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:02:44,230 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:02:44,231 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:02:44,233 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:02:44,233 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:02:44,234 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:02:44,234 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:02:44,235 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:02:44,236 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:02:44,236 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:02:44,237 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:02:44,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:02:44,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:02:44,239 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:02:44,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:02:44,240 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:02:44,240 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:02:44,240 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:02:44,241 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:02:44,242 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:02:44,242 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_215218b0-22d9-4d8d-9cb0-4fdd398dc6e5/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-10-22 09:02:44,254 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:02:44,254 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:02:44,255 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:02:44,255 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:02:44,255 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:02:44,256 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:02:44,256 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:02:44,256 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 09:02:44,256 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:02:44,256 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:02:44,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:02:44,257 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 09:02:44,257 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 09:02:44,257 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 09:02:44,257 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:02:44,257 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 09:02:44,257 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 09:02:44,257 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:02:44,258 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:02:44,258 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:02:44,258 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:02:44,258 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:02:44,258 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:02:44,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:02:44,259 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:02:44,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:02:44,259 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-10-22 09:02:44,259 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 09:02:44,259 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 09:02:44,259 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_215218b0-22d9-4d8d-9cb0-4fdd398dc6e5/bin/uautomizer 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 -> d4308bd7904aec4bec637498669b187d310fac2d [2019-10-22 09:02:44,287 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:02:44,298 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:02:44,301 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:02:44,302 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:02:44,302 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:02:44,303 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_215218b0-22d9-4d8d-9cb0-4fdd398dc6e5/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i [2019-10-22 09:02:44,353 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_215218b0-22d9-4d8d-9cb0-4fdd398dc6e5/bin/uautomizer/data/e9336dee9/d84baef6cb4c487db930cf4a537998ae/FLAGab7c92b1c [2019-10-22 09:02:44,874 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:02:44,877 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_215218b0-22d9-4d8d-9cb0-4fdd398dc6e5/sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i [2019-10-22 09:02:44,895 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_215218b0-22d9-4d8d-9cb0-4fdd398dc6e5/bin/uautomizer/data/e9336dee9/d84baef6cb4c487db930cf4a537998ae/FLAGab7c92b1c [2019-10-22 09:02:45,214 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_215218b0-22d9-4d8d-9cb0-4fdd398dc6e5/bin/uautomizer/data/e9336dee9/d84baef6cb4c487db930cf4a537998ae [2019-10-22 09:02:45,219 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:02:45,220 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-10-22 09:02:45,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:45,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:02:45,228 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:02:45,230 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:45" (1/1) ... [2019-10-22 09:02:45,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4461743f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:45, skipping insertion in model container [2019-10-22 09:02:45,232 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:45" (1/1) ... [2019-10-22 09:02:45,243 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:02:45,291 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:02:45,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:45,751 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:02:45,817 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:45,881 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:02:45,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:45 WrapperNode [2019-10-22 09:02:45,881 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:45,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:02:45,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:02:45,882 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:02:45,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:45" (1/1) ... [2019-10-22 09:02:45,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:45" (1/1) ... [2019-10-22 09:02:45,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:45" (1/1) ... [2019-10-22 09:02:45,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:45" (1/1) ... [2019-10-22 09:02:45,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:45" (1/1) ... [2019-10-22 09:02:45,954 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:45" (1/1) ... [2019-10-22 09:02:45,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:45" (1/1) ... [2019-10-22 09:02:45,968 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:02:45,969 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:02:45,969 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:02:45,969 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:02:45,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_215218b0-22d9-4d8d-9cb0-4fdd398dc6e5/bin/uautomizer/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 [2019-10-22 09:02:46,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-22 09:02:46,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:02:46,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-22 09:02:46,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-22 09:02:46,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-22 09:02:46,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-10-22 09:02:46,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-10-22 09:02:46,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-10-22 09:02:46,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-10-22 09:02:46,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-10-22 09:02:46,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-22 09:02:46,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-22 09:02:46,017 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-10-22 09:02:46,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-10-22 09:02:46,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-10-22 09:02:46,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-10-22 09:02:46,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-10-22 09:02:46,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-10-22 09:02:46,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-10-22 09:02:46,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-10-22 09:02:46,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-10-22 09:02:46,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-10-22 09:02:46,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-10-22 09:02:46,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-10-22 09:02:46,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-10-22 09:02:46,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-10-22 09:02:46,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-10-22 09:02:46,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-10-22 09:02:46,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-10-22 09:02:46,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-10-22 09:02:46,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-10-22 09:02:46,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-10-22 09:02:46,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-10-22 09:02:46,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-10-22 09:02:46,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-10-22 09:02:46,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-10-22 09:02:46,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-10-22 09:02:46,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-10-22 09:02:46,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-10-22 09:02:46,021 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-10-22 09:02:46,021 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-10-22 09:02:46,021 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_10 [2019-10-22 09:02:46,021 INFO L138 BoogieDeclarations]: Found implementation of procedure free_10 [2019-10-22 09:02:46,021 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-10-22 09:02:46,022 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-22 09:02:46,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-22 09:02:46,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-22 09:02:46,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-22 09:02:46,022 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-22 09:02:46,022 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-22 09:02:46,022 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-22 09:02:46,022 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-22 09:02:46,023 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-22 09:02:46,023 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-22 09:02:46,023 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-22 09:02:46,023 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-22 09:02:46,023 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-22 09:02:46,023 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-22 09:02:46,023 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-22 09:02:46,023 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-22 09:02:46,023 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-22 09:02:46,024 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-22 09:02:46,024 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-22 09:02:46,024 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-22 09:02:46,024 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-22 09:02:46,025 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-22 09:02:46,025 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-10-22 09:02:46,025 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-10-22 09:02:46,025 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-10-22 09:02:46,025 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-22 09:02:46,025 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-22 09:02:46,025 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-22 09:02:46,025 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-22 09:02:46,026 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-22 09:02:46,026 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-22 09:02:46,026 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-22 09:02:46,026 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-22 09:02:46,026 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-22 09:02:46,026 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-22 09:02:46,026 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-22 09:02:46,026 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-22 09:02:46,026 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-22 09:02:46,027 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-22 09:02:46,027 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-22 09:02:46,027 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-22 09:02:46,027 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-22 09:02:46,027 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-22 09:02:46,027 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-22 09:02:46,027 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-22 09:02:46,027 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-22 09:02:46,027 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-22 09:02:46,028 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-22 09:02:46,028 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-22 09:02:46,028 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-22 09:02:46,028 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-22 09:02:46,029 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-22 09:02:46,029 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-22 09:02:46,029 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-22 09:02:46,029 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-22 09:02:46,029 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-22 09:02:46,029 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-22 09:02:46,029 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-22 09:02:46,029 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-22 09:02:46,029 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-22 09:02:46,030 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-22 09:02:46,030 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-22 09:02:46,030 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-22 09:02:46,030 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-22 09:02:46,030 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-22 09:02:46,030 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-22 09:02:46,030 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-22 09:02:46,030 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-22 09:02:46,031 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-22 09:02:46,031 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-22 09:02:46,031 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-22 09:02:46,031 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-22 09:02:46,031 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-22 09:02:46,031 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-22 09:02:46,031 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-22 09:02:46,031 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-22 09:02:46,031 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-22 09:02:46,032 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-22 09:02:46,032 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-22 09:02:46,032 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-22 09:02:46,033 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-22 09:02:46,033 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-22 09:02:46,033 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-22 09:02:46,033 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-22 09:02:46,033 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-22 09:02:46,033 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-22 09:02:46,033 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-22 09:02:46,033 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-22 09:02:46,033 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-22 09:02:46,034 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-22 09:02:46,034 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-22 09:02:46,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-22 09:02:46,034 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-22 09:02:46,034 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-22 09:02:46,034 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-22 09:02:46,034 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-22 09:02:46,034 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-22 09:02:46,034 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-22 09:02:46,035 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-22 09:02:46,035 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-22 09:02:46,035 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-22 09:02:46,035 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-22 09:02:46,035 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-22 09:02:46,035 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-22 09:02:46,035 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-22 09:02:46,035 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-22 09:02:46,036 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-22 09:02:46,036 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-22 09:02:46,036 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-22 09:02:46,036 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-22 09:02:46,037 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-22 09:02:46,037 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-22 09:02:46,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-22 09:02:46,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-22 09:02:46,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-10-22 09:02:46,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-10-22 09:02:46,037 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-22 09:02:46,037 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-22 09:02:46,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-22 09:02:46,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 09:02:46,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-22 09:02:46,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-22 09:02:46,038 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-10-22 09:02:46,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 09:02:46,038 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-10-22 09:02:46,038 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-10-22 09:02:46,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-10-22 09:02:46,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 09:02:46,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-10-22 09:02:46,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-10-22 09:02:46,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-10-22 09:02:46,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-10-22 09:02:46,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-22 09:02:46,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-10-22 09:02:46,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 09:02:46,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-10-22 09:02:46,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-10-22 09:02:46,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-10-22 09:02:46,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-10-22 09:02:46,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-10-22 09:02:46,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 09:02:46,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 09:02:46,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-10-22 09:02:46,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-10-22 09:02:46,041 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-22 09:02:46,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-10-22 09:02:46,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-10-22 09:02:46,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-10-22 09:02:46,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-10-22 09:02:46,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-10-22 09:02:46,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-10-22 09:02:46,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-10-22 09:02:46,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-10-22 09:02:46,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-10-22 09:02:46,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-10-22 09:02:46,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-10-22 09:02:46,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-22 09:02:46,042 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-10-22 09:02:46,042 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-10-22 09:02:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_10 [2019-10-22 09:02:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure free_10 [2019-10-22 09:02:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-10-22 09:02:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-22 09:02:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-22 09:02:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:02:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-22 09:02:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:02:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-10-22 09:02:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-10-22 09:02:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-22 09:02:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-22 09:02:46,597 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 09:02:46,957 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 09:02:47,503 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:02:47,507 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-22 09:02:47,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:47 BoogieIcfgContainer [2019-10-22 09:02:47,508 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:02:47,509 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:02:47,510 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:02:47,514 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:02:47,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:02:45" (1/3) ... [2019-10-22 09:02:47,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@105e9a47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:02:47, skipping insertion in model container [2019-10-22 09:02:47,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:45" (2/3) ... [2019-10-22 09:02:47,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@105e9a47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:02:47, skipping insertion in model container [2019-10-22 09:02:47,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:47" (3/3) ... [2019-10-22 09:02:47,519 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test10-2.i [2019-10-22 09:02:47,530 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:02:47,538 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 113 error locations. [2019-10-22 09:02:47,548 INFO L249 AbstractCegarLoop]: Starting to check reachability of 113 error locations. [2019-10-22 09:02:47,567 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:02:47,567 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 09:02:47,568 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:02:47,568 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:02:47,568 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:02:47,568 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:02:47,568 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:02:47,569 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:02:47,593 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states. [2019-10-22 09:02:47,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 09:02:47,605 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:47,606 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:47,608 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_VIOLATION, free_10Err4REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr18ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-10-22 09:02:47,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:47,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1033291871, now seen corresponding path program 1 times [2019-10-22 09:02:47,621 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 09:02:47,622 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [173309311] [2019-10-22 09:02:47,622 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_215218b0-22d9-4d8d-9cb0-4fdd398dc6e5/bin/uautomizer/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 [2019-10-22 09:02:47,842 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 09:02:47,843 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort C_DOUBLE not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:223) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableFunctionSymbol.defineOrDeclare(DeclarableFunctionSymbol.java:160) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:143) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:168) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferSymbols(SmtFunctionsAndAxioms.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleTraceCheck.createExternalManagedScript(IpTcStrategyModuleTraceCheck.java:81) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCvc4.constructManagedScript(IpTcStrategyModuleCvc4.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106) 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.TraceAbstractionRefinementEngine.checkFeasibility(TraceAbstractionRefinementEngine.java:244) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) 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:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) 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) [2019-10-22 09:02:47,847 INFO L168 Benchmark]: Toolchain (without parser) took 2626.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 947.0 MB in the beginning and 952.0 MB in the end (delta: -5.0 MB). Peak memory consumption was 127.6 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:47,851 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:02:47,853 INFO L168 Benchmark]: CACSL2BoogieTranslator took 660.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -151.7 MB). Peak memory consumption was 31.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:47,854 INFO L168 Benchmark]: Boogie Preprocessor took 86.89 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:47,854 INFO L168 Benchmark]: RCFGBuilder took 1539.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 971.2 MB in the end (delta: 120.7 MB). Peak memory consumption was 120.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:47,854 INFO L168 Benchmark]: TraceAbstraction took 336.08 ms. Allocated memory is still 1.2 GB. Free memory was 964.4 MB in the beginning and 952.0 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:47,860 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 660.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -151.7 MB). Peak memory consumption was 31.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 86.89 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1539.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 971.2 MB in the end (delta: 120.7 MB). Peak memory consumption was 120.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 336.08 ms. Allocated memory is still 1.2 GB. Free memory was 964.4 MB in the beginning and 952.0 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Sort C_DOUBLE not declared de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Sort C_DOUBLE not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...