./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-1.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/run_dir_ba2e12ce-5fd3-47d3-ad4b-a7edb50f3c26/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ba2e12ce-5fd3-47d3-ad4b-a7edb50f3c26/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ba2e12ce-5fd3-47d3-ad4b-a7edb50f3c26/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ba2e12ce-5fd3-47d3-ad4b-a7edb50f3c26/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_ba2e12ce-5fd3-47d3-ad4b-a7edb50f3c26/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ba2e12ce-5fd3-47d3-ad4b-a7edb50f3c26/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 a95368535a8c20a6128f13edcb77bbb1dbe40e6b ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/run_dir_ba2e12ce-5fd3-47d3-ad4b-a7edb50f3c26/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ba2e12ce-5fd3-47d3-ad4b-a7edb50f3c26/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ba2e12ce-5fd3-47d3-ad4b-a7edb50f3c26/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ba2e12ce-5fd3-47d3-ad4b-a7edb50f3c26/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_ba2e12ce-5fd3-47d3-ad4b-a7edb50f3c26/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ba2e12ce-5fd3-47d3-ad4b-a7edb50f3c26/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 a95368535a8c20a6128f13edcb77bbb1dbe40e6b ......................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 [2019-11-16 00:04:16,983 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:04:16,985 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:04:16,997 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:04:16,997 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:04:16,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:04:17,000 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:04:17,002 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:04:17,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:04:17,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:04:17,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:04:17,007 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:04:17,008 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:04:17,009 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:04:17,010 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:04:17,011 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:04:17,012 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:04:17,013 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:04:17,014 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:04:17,017 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:04:17,018 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:04:17,019 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:04:17,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:04:17,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:04:17,024 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:04:17,024 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:04:17,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:04:17,025 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:04:17,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:04:17,027 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:04:17,027 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:04:17,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:04:17,028 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:04:17,029 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:04:17,030 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:04:17,030 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:04:17,031 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:04:17,031 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:04:17,032 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:04:17,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:04:17,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:04:17,034 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ba2e12ce-5fd3-47d3-ad4b-a7edb50f3c26/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-16 00:04:17,053 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:04:17,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:04:17,054 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:04:17,055 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:04:17,055 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:04:17,055 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:04:17,056 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 00:04:17,056 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 00:04:17,056 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 00:04:17,056 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 00:04:17,057 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:04:17,057 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-16 00:04:17,057 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-16 00:04:17,057 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-16 00:04:17,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 00:04:17,058 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 00:04:17,058 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:04:17,058 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:04:17,059 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:04:17,059 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 00:04:17,059 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 00:04:17,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:04:17,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:04:17,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 00:04:17,060 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 00:04:17,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 00:04:17,061 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/run_dir_ba2e12ce-5fd3-47d3-ad4b-a7edb50f3c26/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 -> a95368535a8c20a6128f13edcb77bbb1dbe40e6b [2019-11-16 00:04:17,126 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:04:17,144 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:04:17,150 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:04:17,153 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:04:17,153 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:04:17,154 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ba2e12ce-5fd3-47d3-ad4b-a7edb50f3c26/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-1.i [2019-11-16 00:04:17,242 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ba2e12ce-5fd3-47d3-ad4b-a7edb50f3c26/bin/uautomizer/data/d6e4cdc63/b20be716b5de4921b6c2680a9e6458dc/FLAGa6e65d0e3 [2019-11-16 00:04:17,808 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:04:17,809 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ba2e12ce-5fd3-47d3-ad4b-a7edb50f3c26/sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-1.i [2019-11-16 00:04:17,837 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ba2e12ce-5fd3-47d3-ad4b-a7edb50f3c26/bin/uautomizer/data/d6e4cdc63/b20be716b5de4921b6c2680a9e6458dc/FLAGa6e65d0e3 [2019-11-16 00:04:18,074 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ba2e12ce-5fd3-47d3-ad4b-a7edb50f3c26/bin/uautomizer/data/d6e4cdc63/b20be716b5de4921b6c2680a9e6458dc [2019-11-16 00:04:18,077 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:04:18,079 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-16 00:04:18,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:04:18,081 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:04:18,085 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:04:18,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:04:18" (1/1) ... [2019-11-16 00:04:18,089 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57f69eca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:18, skipping insertion in model container [2019-11-16 00:04:18,089 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:04:18" (1/1) ... [2019-11-16 00:04:18,097 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:04:18,142 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:04:18,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:04:18,660 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:04:18,727 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:04:18,846 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:04:18,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:18 WrapperNode [2019-11-16 00:04:18,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:04:18,848 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:04:18,848 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:04:18,848 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:04:18,864 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:18" (1/1) ... [2019-11-16 00:04:18,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:18" (1/1) ... [2019-11-16 00:04:18,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:18" (1/1) ... [2019-11-16 00:04:18,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:18" (1/1) ... [2019-11-16 00:04:18,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:18" (1/1) ... [2019-11-16 00:04:18,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:18" (1/1) ... [2019-11-16 00:04:18,994 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:18" (1/1) ... [2019-11-16 00:04:19,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:04:19,006 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:04:19,006 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:04:19,006 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:04:19,008 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ba2e12ce-5fd3-47d3-ad4b-a7edb50f3c26/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 [2019-11-16 00:04:19,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-16 00:04:19,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:04:19,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-16 00:04:19,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-16 00:04:19,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-16 00:04:19,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-16 00:04:19,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-16 00:04:19,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-16 00:04:19,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-16 00:04:19,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-16 00:04:19,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-16 00:04:19,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-16 00:04:19,099 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-16 00:04:19,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-16 00:04:19,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-16 00:04:19,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-16 00:04:19,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-16 00:04:19,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-16 00:04:19,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-16 00:04:19,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-16 00:04:19,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-16 00:04:19,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-16 00:04:19,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-16 00:04:19,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-16 00:04:19,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-16 00:04:19,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-16 00:04:19,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-16 00:04:19,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-16 00:04:19,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-16 00:04:19,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-16 00:04:19,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-16 00:04:19,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-16 00:04:19,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-16 00:04:19,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-16 00:04:19,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-16 00:04:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-16 00:04:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-16 00:04:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-16 00:04:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-16 00:04:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-16 00:04:19,111 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-16 00:04:19,111 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_unsafe_17 [2019-11-16 00:04:19,111 INFO L138 BoogieDeclarations]: Found implementation of procedure free_17 [2019-11-16 00:04:19,111 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-16 00:04:19,111 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-16 00:04:19,112 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-16 00:04:19,112 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-16 00:04:19,113 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-16 00:04:19,114 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-16 00:04:19,114 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-16 00:04:19,114 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-16 00:04:19,114 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-16 00:04:19,114 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-16 00:04:19,115 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-16 00:04:19,115 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-16 00:04:19,115 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-16 00:04:19,115 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-16 00:04:19,115 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-16 00:04:19,116 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-16 00:04:19,116 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-16 00:04:19,116 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-16 00:04:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-16 00:04:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-16 00:04:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-16 00:04:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-16 00:04:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-16 00:04:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-16 00:04:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-16 00:04:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-16 00:04:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-16 00:04:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-16 00:04:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-16 00:04:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-16 00:04:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-16 00:04:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-16 00:04:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-16 00:04:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-16 00:04:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-16 00:04:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-16 00:04:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-16 00:04:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-16 00:04:19,124 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-16 00:04:19,124 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-16 00:04:19,124 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-16 00:04:19,124 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-16 00:04:19,124 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-16 00:04:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-16 00:04:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-16 00:04:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-16 00:04:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-16 00:04:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-16 00:04:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-16 00:04:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-16 00:04:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-16 00:04:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-16 00:04:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-16 00:04:19,127 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-16 00:04:19,127 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-16 00:04:19,127 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-16 00:04:19,127 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-16 00:04:19,127 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-16 00:04:19,128 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-16 00:04:19,128 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-16 00:04:19,128 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-16 00:04:19,128 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-16 00:04:19,128 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-16 00:04:19,129 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-16 00:04:19,129 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-16 00:04:19,129 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-16 00:04:19,129 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-16 00:04:19,129 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-16 00:04:19,130 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-16 00:04:19,130 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-16 00:04:19,130 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-16 00:04:19,130 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-16 00:04:19,130 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-16 00:04:19,130 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-16 00:04:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-16 00:04:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-16 00:04:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-16 00:04:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-16 00:04:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-16 00:04:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-16 00:04:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-16 00:04:19,133 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-16 00:04:19,133 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-16 00:04:19,133 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-16 00:04:19,133 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-16 00:04:19,133 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-16 00:04:19,134 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-16 00:04:19,134 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-16 00:04:19,134 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-16 00:04:19,135 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-16 00:04:19,135 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-16 00:04:19,139 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-16 00:04:19,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-16 00:04:19,140 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-16 00:04:19,140 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-16 00:04:19,141 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-16 00:04:19,141 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-16 00:04:19,142 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-16 00:04:19,142 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-16 00:04:19,142 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-16 00:04:19,142 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-16 00:04:19,142 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-16 00:04:19,143 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-16 00:04:19,152 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-16 00:04:19,152 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-16 00:04:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-16 00:04:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-16 00:04:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-16 00:04:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-16 00:04:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-16 00:04:19,154 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-16 00:04:19,154 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-16 00:04:19,154 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-16 00:04:19,154 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-16 00:04:19,154 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-16 00:04:19,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-16 00:04:19,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-16 00:04:19,155 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-16 00:04:19,155 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-16 00:04:19,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-16 00:04:19,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-16 00:04:19,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-16 00:04:19,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-16 00:04:19,156 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-16 00:04:19,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-16 00:04:19,156 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-16 00:04:19,156 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-16 00:04:19,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-16 00:04:19,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-16 00:04:19,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-16 00:04:19,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-16 00:04:19,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-16 00:04:19,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-16 00:04:19,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-16 00:04:19,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-16 00:04:19,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-16 00:04:19,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-16 00:04:19,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-16 00:04:19,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-16 00:04:19,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-16 00:04:19,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-16 00:04:19,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-16 00:04:19,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-16 00:04:19,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-16 00:04:19,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-16 00:04:19,160 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-16 00:04:19,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-16 00:04:19,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-16 00:04:19,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-16 00:04:19,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-16 00:04:19,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-16 00:04:19,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-16 00:04:19,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-16 00:04:19,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-16 00:04:19,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-16 00:04:19,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-16 00:04:19,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-16 00:04:19,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-16 00:04:19,162 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-16 00:04:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-16 00:04:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_unsafe_17 [2019-11-16 00:04:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure free_17 [2019-11-16 00:04:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-16 00:04:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-16 00:04:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-16 00:04:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-16 00:04:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-16 00:04:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:04:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-16 00:04:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-16 00:04:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-16 00:04:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-16 00:04:19,767 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-16 00:04:20,043 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-16 00:04:20,403 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:04:20,404 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-16 00:04:20,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:04:20 BoogieIcfgContainer [2019-11-16 00:04:20,406 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:04:20,407 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-16 00:04:20,407 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-16 00:04:20,410 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-16 00:04:20,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:04:18" (1/3) ... [2019-11-16 00:04:20,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f2d3443 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:04:20, skipping insertion in model container [2019-11-16 00:04:20,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:18" (2/3) ... [2019-11-16 00:04:20,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f2d3443 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:04:20, skipping insertion in model container [2019-11-16 00:04:20,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:04:20" (3/3) ... [2019-11-16 00:04:20,414 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test17_2-1.i [2019-11-16 00:04:20,425 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-16 00:04:20,433 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 88 error locations. [2019-11-16 00:04:20,443 INFO L249 AbstractCegarLoop]: Starting to check reachability of 88 error locations. [2019-11-16 00:04:20,462 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-16 00:04:20,462 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-16 00:04:20,463 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-16 00:04:20,463 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:04:20,463 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:04:20,463 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-16 00:04:20,463 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:04:20,464 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-16 00:04:20,485 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2019-11-16 00:04:20,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-16 00:04:20,496 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:04:20,497 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:04:20,499 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, alloc_unsafe_17Err2REQUIRES_VIOLATION, alloc_unsafe_17Err3REQUIRES_VIOLATION, alloc_unsafe_17Err1REQUIRES_VIOLATION, alloc_unsafe_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:04:20,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:04:20,506 INFO L82 PathProgramCache]: Analyzing trace with hash 463558087, now seen corresponding path program 1 times [2019-11-16 00:04:20,515 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:04:20,516 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378941565] [2019-11-16 00:04:20,516 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:20,516 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:20,516 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:04:20,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:20,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:20,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:20,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:04:20,879 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378941565] [2019-11-16 00:04:20,880 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:04:20,881 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-16 00:04:20,882 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806731491] [2019-11-16 00:04:20,890 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-16 00:04:20,891 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:04:20,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-16 00:04:20,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-16 00:04:20,910 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 7 states. [2019-11-16 00:04:21,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:04:21,844 INFO L93 Difference]: Finished difference Result 148 states and 175 transitions. [2019-11-16 00:04:21,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-16 00:04:21,846 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 16 [2019-11-16 00:04:21,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:04:21,862 INFO L225 Difference]: With dead ends: 148 [2019-11-16 00:04:21,862 INFO L226 Difference]: Without dead ends: 141 [2019-11-16 00:04:21,864 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-16 00:04:21,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2019-11-16 00:04:21,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 96. [2019-11-16 00:04:21,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-11-16 00:04:21,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 120 transitions. [2019-11-16 00:04:21,963 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 120 transitions. Word has length 16 [2019-11-16 00:04:21,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:04:21,964 INFO L462 AbstractCegarLoop]: Abstraction has 96 states and 120 transitions. [2019-11-16 00:04:21,965 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-16 00:04:21,965 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 120 transitions. [2019-11-16 00:04:21,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-16 00:04:21,968 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:04:21,969 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:04:21,970 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, alloc_unsafe_17Err2REQUIRES_VIOLATION, alloc_unsafe_17Err3REQUIRES_VIOLATION, alloc_unsafe_17Err1REQUIRES_VIOLATION, alloc_unsafe_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:04:21,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:04:21,971 INFO L82 PathProgramCache]: Analyzing trace with hash 463558088, now seen corresponding path program 1 times [2019-11-16 00:04:21,971 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:04:21,971 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147822780] [2019-11-16 00:04:22,005 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:22,005 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:22,006 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:04:22,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:22,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:22,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:04:22,352 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147822780] [2019-11-16 00:04:22,352 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:04:22,353 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-16 00:04:22,353 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732764458] [2019-11-16 00:04:22,354 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-16 00:04:22,355 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:04:22,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-16 00:04:22,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-16 00:04:22,355 INFO L87 Difference]: Start difference. First operand 96 states and 120 transitions. Second operand 10 states. [2019-11-16 00:04:23,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:04:23,307 INFO L93 Difference]: Finished difference Result 157 states and 193 transitions. [2019-11-16 00:04:23,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-16 00:04:23,310 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 16 [2019-11-16 00:04:23,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:04:23,313 INFO L225 Difference]: With dead ends: 157 [2019-11-16 00:04:23,313 INFO L226 Difference]: Without dead ends: 157 [2019-11-16 00:04:23,314 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-11-16 00:04:23,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2019-11-16 00:04:23,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 106. [2019-11-16 00:04:23,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-11-16 00:04:23,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 137 transitions. [2019-11-16 00:04:23,351 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 137 transitions. Word has length 16 [2019-11-16 00:04:23,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:04:23,352 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 137 transitions. [2019-11-16 00:04:23,352 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-16 00:04:23,352 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 137 transitions. [2019-11-16 00:04:23,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-16 00:04:23,353 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:04:23,354 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:04:23,355 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, alloc_unsafe_17Err2REQUIRES_VIOLATION, alloc_unsafe_17Err3REQUIRES_VIOLATION, alloc_unsafe_17Err1REQUIRES_VIOLATION, alloc_unsafe_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:04:23,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:04:23,356 INFO L82 PathProgramCache]: Analyzing trace with hash 1351061768, now seen corresponding path program 1 times [2019-11-16 00:04:23,356 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:04:23,357 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593561992] [2019-11-16 00:04:23,357 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:23,357 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:23,357 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:04:23,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:23,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:23,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:23,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:04:23,528 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593561992] [2019-11-16 00:04:23,528 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:04:23,528 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-16 00:04:23,528 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640250652] [2019-11-16 00:04:23,529 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-16 00:04:23,529 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:04:23,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-16 00:04:23,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-16 00:04:23,529 INFO L87 Difference]: Start difference. First operand 106 states and 137 transitions. Second operand 7 states. [2019-11-16 00:04:23,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:04:23,906 INFO L93 Difference]: Finished difference Result 117 states and 134 transitions. [2019-11-16 00:04:23,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-16 00:04:23,907 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 16 [2019-11-16 00:04:23,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:04:23,909 INFO L225 Difference]: With dead ends: 117 [2019-11-16 00:04:23,909 INFO L226 Difference]: Without dead ends: 115 [2019-11-16 00:04:23,909 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-16 00:04:23,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-11-16 00:04:23,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 93. [2019-11-16 00:04:23,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2019-11-16 00:04:23,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 112 transitions. [2019-11-16 00:04:23,920 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 112 transitions. Word has length 16 [2019-11-16 00:04:23,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:04:23,921 INFO L462 AbstractCegarLoop]: Abstraction has 93 states and 112 transitions. [2019-11-16 00:04:23,921 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-16 00:04:23,921 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 112 transitions. [2019-11-16 00:04:23,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-16 00:04:23,922 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:04:23,922 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:04:23,923 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, alloc_unsafe_17Err2REQUIRES_VIOLATION, alloc_unsafe_17Err3REQUIRES_VIOLATION, alloc_unsafe_17Err1REQUIRES_VIOLATION, alloc_unsafe_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:04:23,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:04:23,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1485388404, now seen corresponding path program 1 times [2019-11-16 00:04:23,924 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:04:23,924 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176825503] [2019-11-16 00:04:23,924 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:23,925 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:23,925 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:04:23,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:23,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:23,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:24,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:24,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:04:24,069 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176825503] [2019-11-16 00:04:24,069 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:04:24,069 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-16 00:04:24,069 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804525927] [2019-11-16 00:04:24,070 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-16 00:04:24,070 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:04:24,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-16 00:04:24,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-16 00:04:24,071 INFO L87 Difference]: Start difference. First operand 93 states and 112 transitions. Second operand 8 states. [2019-11-16 00:04:24,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:04:24,449 INFO L93 Difference]: Finished difference Result 134 states and 155 transitions. [2019-11-16 00:04:24,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-16 00:04:24,450 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2019-11-16 00:04:24,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:04:24,452 INFO L225 Difference]: With dead ends: 134 [2019-11-16 00:04:24,452 INFO L226 Difference]: Without dead ends: 134 [2019-11-16 00:04:24,452 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-11-16 00:04:24,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-11-16 00:04:24,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 93. [2019-11-16 00:04:24,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2019-11-16 00:04:24,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 111 transitions. [2019-11-16 00:04:24,475 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 111 transitions. Word has length 17 [2019-11-16 00:04:24,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:04:24,478 INFO L462 AbstractCegarLoop]: Abstraction has 93 states and 111 transitions. [2019-11-16 00:04:24,478 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-16 00:04:24,478 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 111 transitions. [2019-11-16 00:04:24,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-16 00:04:24,480 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:04:24,480 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:04:24,481 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, alloc_unsafe_17Err2REQUIRES_VIOLATION, alloc_unsafe_17Err3REQUIRES_VIOLATION, alloc_unsafe_17Err1REQUIRES_VIOLATION, alloc_unsafe_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:04:24,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:04:24,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1539505254, now seen corresponding path program 1 times [2019-11-16 00:04:24,482 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:04:24,482 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122963957] [2019-11-16 00:04:24,482 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:24,483 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:24,483 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:04:24,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:24,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:24,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:24,700 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:04:24,701 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122963957] [2019-11-16 00:04:24,701 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1235471044] [2019-11-16 00:04:24,701 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ba2e12ce-5fd3-47d3-ad4b-a7edb50f3c26/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 [2019-11-16 00:04:24,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:24,894 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 24 conjunts are in the unsatisfiable core [2019-11-16 00:04:24,901 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:04:25,012 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 [2019-11-16 00:04:25,014 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-16 00:04:25,028 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:04:25,028 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-16 00:04:25,029 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:13, output treesize:9 [2019-11-16 00:04:25,194 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:04:25,194 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-16 00:04:25,194 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 17 [2019-11-16 00:04:25,194 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52571196] [2019-11-16 00:04:25,195 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-16 00:04:25,195 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:04:25,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-16 00:04:25,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2019-11-16 00:04:25,196 INFO L87 Difference]: Start difference. First operand 93 states and 111 transitions. Second operand 18 states. [2019-11-16 00:04:26,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:04:26,341 INFO L93 Difference]: Finished difference Result 136 states and 157 transitions. [2019-11-16 00:04:26,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-16 00:04:26,342 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 19 [2019-11-16 00:04:26,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:04:26,345 INFO L225 Difference]: With dead ends: 136 [2019-11-16 00:04:26,345 INFO L226 Difference]: Without dead ends: 136 [2019-11-16 00:04:26,346 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=107, Invalid=595, Unknown=0, NotChecked=0, Total=702 [2019-11-16 00:04:26,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2019-11-16 00:04:26,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 94. [2019-11-16 00:04:26,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2019-11-16 00:04:26,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 111 transitions. [2019-11-16 00:04:26,365 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 111 transitions. Word has length 19 [2019-11-16 00:04:26,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:04:26,366 INFO L462 AbstractCegarLoop]: Abstraction has 94 states and 111 transitions. [2019-11-16 00:04:26,366 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-16 00:04:26,366 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 111 transitions. [2019-11-16 00:04:26,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-16 00:04:26,367 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:04:26,367 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, 1, 1, 1] [2019-11-16 00:04:26,572 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:04:26,572 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, alloc_unsafe_17Err2REQUIRES_VIOLATION, alloc_unsafe_17Err3REQUIRES_VIOLATION, alloc_unsafe_17Err1REQUIRES_VIOLATION, alloc_unsafe_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:04:26,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:04:26,573 INFO L82 PathProgramCache]: Analyzing trace with hash 259353372, now seen corresponding path program 1 times [2019-11-16 00:04:26,573 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:04:26,573 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077797754] [2019-11-16 00:04:26,573 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:26,573 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:26,574 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:04:26,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:26,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:26,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:26,696 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-16 00:04:26,696 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077797754] [2019-11-16 00:04:26,696 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:04:26,696 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-16 00:04:26,696 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561795944] [2019-11-16 00:04:26,697 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-16 00:04:26,697 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:04:26,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-16 00:04:26,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-11-16 00:04:26,697 INFO L87 Difference]: Start difference. First operand 94 states and 111 transitions. Second operand 9 states. [2019-11-16 00:04:27,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:04:27,165 INFO L93 Difference]: Finished difference Result 124 states and 140 transitions. [2019-11-16 00:04:27,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-16 00:04:27,165 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2019-11-16 00:04:27,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:04:27,166 INFO L225 Difference]: With dead ends: 124 [2019-11-16 00:04:27,166 INFO L226 Difference]: Without dead ends: 124 [2019-11-16 00:04:27,167 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-11-16 00:04:27,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2019-11-16 00:04:27,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 100. [2019-11-16 00:04:27,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-11-16 00:04:27,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 120 transitions. [2019-11-16 00:04:27,175 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 120 transitions. Word has length 27 [2019-11-16 00:04:27,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:04:27,175 INFO L462 AbstractCegarLoop]: Abstraction has 100 states and 120 transitions. [2019-11-16 00:04:27,176 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-16 00:04:27,176 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 120 transitions. [2019-11-16 00:04:27,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-16 00:04:27,177 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:04:27,177 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, 1, 1, 1] [2019-11-16 00:04:27,178 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, alloc_unsafe_17Err2REQUIRES_VIOLATION, alloc_unsafe_17Err3REQUIRES_VIOLATION, alloc_unsafe_17Err1REQUIRES_VIOLATION, alloc_unsafe_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:04:27,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:04:27,178 INFO L82 PathProgramCache]: Analyzing trace with hash 259353373, now seen corresponding path program 1 times [2019-11-16 00:04:27,178 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:04:27,179 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702440147] [2019-11-16 00:04:27,179 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:27,179 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:27,179 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:04:27,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:27,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:27,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:27,434 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-16 00:04:27,434 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702440147] [2019-11-16 00:04:27,434 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:04:27,434 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-11-16 00:04:27,434 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375248222] [2019-11-16 00:04:27,435 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-16 00:04:27,435 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:04:27,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-16 00:04:27,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2019-11-16 00:04:27,436 INFO L87 Difference]: Start difference. First operand 100 states and 120 transitions. Second operand 13 states. [2019-11-16 00:04:28,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:04:28,521 INFO L93 Difference]: Finished difference Result 172 states and 200 transitions. [2019-11-16 00:04:28,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-16 00:04:28,521 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 27 [2019-11-16 00:04:28,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:04:28,523 INFO L225 Difference]: With dead ends: 172 [2019-11-16 00:04:28,523 INFO L226 Difference]: Without dead ends: 172 [2019-11-16 00:04:28,524 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=94, Invalid=458, Unknown=0, NotChecked=0, Total=552 [2019-11-16 00:04:28,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2019-11-16 00:04:28,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 126. [2019-11-16 00:04:28,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2019-11-16 00:04:28,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 165 transitions. [2019-11-16 00:04:28,533 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 165 transitions. Word has length 27 [2019-11-16 00:04:28,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:04:28,533 INFO L462 AbstractCegarLoop]: Abstraction has 126 states and 165 transitions. [2019-11-16 00:04:28,534 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-16 00:04:28,534 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 165 transitions. [2019-11-16 00:04:28,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-16 00:04:28,535 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:04:28,535 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, 1, 1, 1, 1] [2019-11-16 00:04:28,536 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, alloc_unsafe_17Err2REQUIRES_VIOLATION, alloc_unsafe_17Err3REQUIRES_VIOLATION, alloc_unsafe_17Err1REQUIRES_VIOLATION, alloc_unsafe_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:04:28,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:04:28,536 INFO L82 PathProgramCache]: Analyzing trace with hash -549979757, now seen corresponding path program 1 times [2019-11-16 00:04:28,536 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:04:28,536 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423795777] [2019-11-16 00:04:28,537 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:28,537 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:28,537 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:04:28,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:28,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:28,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:28,626 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-16 00:04:28,627 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423795777] [2019-11-16 00:04:28,627 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:04:28,627 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-16 00:04:28,627 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491632079] [2019-11-16 00:04:28,628 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-16 00:04:28,628 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:04:28,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-16 00:04:28,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-16 00:04:28,628 INFO L87 Difference]: Start difference. First operand 126 states and 165 transitions. Second operand 7 states. [2019-11-16 00:04:28,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:04:28,987 INFO L93 Difference]: Finished difference Result 177 states and 215 transitions. [2019-11-16 00:04:28,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-16 00:04:28,988 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2019-11-16 00:04:28,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:04:28,990 INFO L225 Difference]: With dead ends: 177 [2019-11-16 00:04:28,990 INFO L226 Difference]: Without dead ends: 177 [2019-11-16 00:04:28,990 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2019-11-16 00:04:28,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2019-11-16 00:04:28,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 126. [2019-11-16 00:04:28,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2019-11-16 00:04:29,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 164 transitions. [2019-11-16 00:04:29,005 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 164 transitions. Word has length 28 [2019-11-16 00:04:29,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:04:29,005 INFO L462 AbstractCegarLoop]: Abstraction has 126 states and 164 transitions. [2019-11-16 00:04:29,005 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-16 00:04:29,005 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 164 transitions. [2019-11-16 00:04:29,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-16 00:04:29,010 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:04:29,010 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:04:29,011 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, alloc_unsafe_17Err2REQUIRES_VIOLATION, alloc_unsafe_17Err3REQUIRES_VIOLATION, alloc_unsafe_17Err1REQUIRES_VIOLATION, alloc_unsafe_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:04:29,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:04:29,011 INFO L82 PathProgramCache]: Analyzing trace with hash 1978411606, now seen corresponding path program 1 times [2019-11-16 00:04:29,012 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:04:29,012 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574277069] [2019-11-16 00:04:29,012 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:29,012 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:29,012 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:04:29,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:29,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:29,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:29,272 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-16 00:04:29,272 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574277069] [2019-11-16 00:04:29,272 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [32896467] [2019-11-16 00:04:29,272 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ba2e12ce-5fd3-47d3-ad4b-a7edb50f3c26/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 [2019-11-16 00:04:29,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:29,454 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-16 00:04:29,456 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:04:29,531 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:04:29,532 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-16 00:04:29,532 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6] total 15 [2019-11-16 00:04:29,532 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836643996] [2019-11-16 00:04:29,533 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-16 00:04:29,533 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:04:29,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-16 00:04:29,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2019-11-16 00:04:29,533 INFO L87 Difference]: Start difference. First operand 126 states and 164 transitions. Second operand 15 states. [2019-11-16 00:04:30,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:04:30,470 INFO L93 Difference]: Finished difference Result 196 states and 246 transitions. [2019-11-16 00:04:30,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-16 00:04:30,470 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 32 [2019-11-16 00:04:30,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:04:30,472 INFO L225 Difference]: With dead ends: 196 [2019-11-16 00:04:30,472 INFO L226 Difference]: Without dead ends: 196 [2019-11-16 00:04:30,472 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=123, Invalid=579, Unknown=0, NotChecked=0, Total=702 [2019-11-16 00:04:30,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2019-11-16 00:04:30,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 130. [2019-11-16 00:04:30,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-11-16 00:04:30,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 169 transitions. [2019-11-16 00:04:30,481 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 169 transitions. Word has length 32 [2019-11-16 00:04:30,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:04:30,481 INFO L462 AbstractCegarLoop]: Abstraction has 130 states and 169 transitions. [2019-11-16 00:04:30,481 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-16 00:04:30,481 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 169 transitions. [2019-11-16 00:04:30,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-16 00:04:30,482 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:04:30,482 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:04:30,683 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:04:30,683 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, alloc_unsafe_17Err2REQUIRES_VIOLATION, alloc_unsafe_17Err3REQUIRES_VIOLATION, alloc_unsafe_17Err1REQUIRES_VIOLATION, alloc_unsafe_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:04:30,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:04:30,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1121506549, now seen corresponding path program 1 times [2019-11-16 00:04:30,684 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:04:30,684 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032904746] [2019-11-16 00:04:30,684 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:30,684 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:30,684 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:04:30,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:30,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:30,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:30,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:30,824 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-16 00:04:30,824 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032904746] [2019-11-16 00:04:30,824 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619847495] [2019-11-16 00:04:30,824 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ba2e12ce-5fd3-47d3-ad4b-a7edb50f3c26/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 [2019-11-16 00:04:31,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:31,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-16 00:04:31,050 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:04:31,123 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:04:31,123 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-16 00:04:31,123 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 13 [2019-11-16 00:04:31,123 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679076015] [2019-11-16 00:04:31,124 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-16 00:04:31,124 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:04:31,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-16 00:04:31,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2019-11-16 00:04:31,124 INFO L87 Difference]: Start difference. First operand 130 states and 169 transitions. Second operand 13 states. [2019-11-16 00:04:31,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:04:31,625 INFO L93 Difference]: Finished difference Result 155 states and 195 transitions. [2019-11-16 00:04:31,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-16 00:04:31,625 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 35 [2019-11-16 00:04:31,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:04:31,627 INFO L225 Difference]: With dead ends: 155 [2019-11-16 00:04:31,627 INFO L226 Difference]: Without dead ends: 155 [2019-11-16 00:04:31,627 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2019-11-16 00:04:31,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2019-11-16 00:04:31,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 133. [2019-11-16 00:04:31,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-11-16 00:04:31,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 172 transitions. [2019-11-16 00:04:31,638 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 172 transitions. Word has length 35 [2019-11-16 00:04:31,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:04:31,639 INFO L462 AbstractCegarLoop]: Abstraction has 133 states and 172 transitions. [2019-11-16 00:04:31,639 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-16 00:04:31,639 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 172 transitions. [2019-11-16 00:04:31,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-16 00:04:31,640 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:04:31,640 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:04:31,845 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:04:31,849 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, alloc_unsafe_17Err2REQUIRES_VIOLATION, alloc_unsafe_17Err3REQUIRES_VIOLATION, alloc_unsafe_17Err1REQUIRES_VIOLATION, alloc_unsafe_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:04:31,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:04:31,850 INFO L82 PathProgramCache]: Analyzing trace with hash -1946436201, now seen corresponding path program 2 times [2019-11-16 00:04:31,850 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:04:31,850 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981987050] [2019-11-16 00:04:31,850 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:31,850 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:31,850 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:04:31,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:31,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:31,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:31,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:31,993 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-16 00:04:31,993 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981987050] [2019-11-16 00:04:31,994 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [464262471] [2019-11-16 00:04:31,994 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ba2e12ce-5fd3-47d3-ad4b-a7edb50f3c26/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 [2019-11-16 00:04:32,190 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-16 00:04:32,190 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-16 00:04:32,192 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-16 00:04:32,194 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:04:32,329 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:04:32,329 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-16 00:04:32,330 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 15 [2019-11-16 00:04:32,330 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891392049] [2019-11-16 00:04:32,330 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-16 00:04:32,330 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:04:32,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-16 00:04:32,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2019-11-16 00:04:32,331 INFO L87 Difference]: Start difference. First operand 133 states and 172 transitions. Second operand 15 states. [2019-11-16 00:04:32,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:04:32,688 INFO L93 Difference]: Finished difference Result 158 states and 198 transitions. [2019-11-16 00:04:32,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-16 00:04:32,688 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 38 [2019-11-16 00:04:32,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:04:32,690 INFO L225 Difference]: With dead ends: 158 [2019-11-16 00:04:32,690 INFO L226 Difference]: Without dead ends: 158 [2019-11-16 00:04:32,690 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2019-11-16 00:04:32,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2019-11-16 00:04:32,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 136. [2019-11-16 00:04:32,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-11-16 00:04:32,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 175 transitions. [2019-11-16 00:04:32,697 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 175 transitions. Word has length 38 [2019-11-16 00:04:32,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:04:32,698 INFO L462 AbstractCegarLoop]: Abstraction has 136 states and 175 transitions. [2019-11-16 00:04:32,698 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-16 00:04:32,698 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 175 transitions. [2019-11-16 00:04:32,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-16 00:04:32,699 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:04:32,699 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:04:32,903 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:04:32,904 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, alloc_unsafe_17Err2REQUIRES_VIOLATION, alloc_unsafe_17Err3REQUIRES_VIOLATION, alloc_unsafe_17Err1REQUIRES_VIOLATION, alloc_unsafe_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:04:32,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:04:32,905 INFO L82 PathProgramCache]: Analyzing trace with hash -2124842571, now seen corresponding path program 3 times [2019-11-16 00:04:32,905 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:04:32,906 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732345529] [2019-11-16 00:04:32,906 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:32,906 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:32,906 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:04:32,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:33,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:33,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:33,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:33,124 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-16 00:04:33,125 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732345529] [2019-11-16 00:04:33,125 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [291144258] [2019-11-16 00:04:33,126 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ba2e12ce-5fd3-47d3-ad4b-a7edb50f3c26/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 [2019-11-16 00:04:33,341 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2019-11-16 00:04:33,341 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-16 00:04:33,346 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 41 conjunts are in the unsatisfiable core [2019-11-16 00:04:33,352 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:04:33,378 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 [2019-11-16 00:04:33,379 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-16 00:04:33,386 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:04:33,389 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 [2019-11-16 00:04:33,390 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-16 00:04:33,396 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:04:33,396 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-16 00:04:33,397 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:14 [2019-11-16 00:04:33,602 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:04:33,602 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2019-11-16 00:04:33,603 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-16 00:04:33,614 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:04:33,621 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2019-11-16 00:04:33,621 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-16 00:04:33,632 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:04:33,632 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-16 00:04:33,633 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:30, output treesize:14 [2019-11-16 00:04:33,669 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-11-16 00:04:33,670 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-16 00:04:33,670 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2019-11-16 00:04:33,670 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757005480] [2019-11-16 00:04:33,674 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-11-16 00:04:33,674 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:04:33,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-11-16 00:04:33,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2019-11-16 00:04:33,675 INFO L87 Difference]: Start difference. First operand 136 states and 175 transitions. Second operand 19 states. [2019-11-16 00:04:34,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:04:34,990 INFO L93 Difference]: Finished difference Result 238 states and 281 transitions. [2019-11-16 00:04:34,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-11-16 00:04:34,991 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 41 [2019-11-16 00:04:34,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:04:34,993 INFO L225 Difference]: With dead ends: 238 [2019-11-16 00:04:34,993 INFO L226 Difference]: Without dead ends: 238 [2019-11-16 00:04:34,994 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=185, Invalid=1005, Unknown=0, NotChecked=0, Total=1190 [2019-11-16 00:04:34,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2019-11-16 00:04:35,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 142. [2019-11-16 00:04:35,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2019-11-16 00:04:35,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 182 transitions. [2019-11-16 00:04:35,001 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 182 transitions. Word has length 41 [2019-11-16 00:04:35,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:04:35,002 INFO L462 AbstractCegarLoop]: Abstraction has 142 states and 182 transitions. [2019-11-16 00:04:35,002 INFO L463 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-11-16 00:04:35,002 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 182 transitions. [2019-11-16 00:04:35,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-16 00:04:35,003 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:04:35,003 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:04:35,203 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:04:35,204 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, alloc_unsafe_17Err2REQUIRES_VIOLATION, alloc_unsafe_17Err3REQUIRES_VIOLATION, alloc_unsafe_17Err1REQUIRES_VIOLATION, alloc_unsafe_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:04:35,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:04:35,204 INFO L82 PathProgramCache]: Analyzing trace with hash 1877630498, now seen corresponding path program 1 times [2019-11-16 00:04:35,205 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:04:35,205 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661551355] [2019-11-16 00:04:35,205 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:35,205 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:35,205 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:04:35,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:35,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:35,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:35,301 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2019-11-16 00:04:35,301 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661551355] [2019-11-16 00:04:35,302 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:04:35,302 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-16 00:04:35,302 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37378732] [2019-11-16 00:04:35,302 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-16 00:04:35,302 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:04:35,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-16 00:04:35,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-16 00:04:35,303 INFO L87 Difference]: Start difference. First operand 142 states and 182 transitions. Second operand 7 states. [2019-11-16 00:04:35,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:04:35,547 INFO L93 Difference]: Finished difference Result 191 states and 237 transitions. [2019-11-16 00:04:35,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-16 00:04:35,549 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2019-11-16 00:04:35,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:04:35,551 INFO L225 Difference]: With dead ends: 191 [2019-11-16 00:04:35,551 INFO L226 Difference]: Without dead ends: 191 [2019-11-16 00:04:35,551 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-16 00:04:35,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2019-11-16 00:04:35,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 144. [2019-11-16 00:04:35,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2019-11-16 00:04:35,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 183 transitions. [2019-11-16 00:04:35,564 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 183 transitions. Word has length 46 [2019-11-16 00:04:35,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:04:35,565 INFO L462 AbstractCegarLoop]: Abstraction has 144 states and 183 transitions. [2019-11-16 00:04:35,565 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-16 00:04:35,565 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 183 transitions. [2019-11-16 00:04:35,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-16 00:04:35,567 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:04:35,567 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:04:35,568 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, alloc_unsafe_17Err2REQUIRES_VIOLATION, alloc_unsafe_17Err3REQUIRES_VIOLATION, alloc_unsafe_17Err1REQUIRES_VIOLATION, alloc_unsafe_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:04:35,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:04:35,568 INFO L82 PathProgramCache]: Analyzing trace with hash 564516399, now seen corresponding path program 1 times [2019-11-16 00:04:35,568 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:04:35,568 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785841061] [2019-11-16 00:04:35,569 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:35,569 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:35,569 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:04:35,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:35,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:35,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:35,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:35,688 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2019-11-16 00:04:35,688 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785841061] [2019-11-16 00:04:35,688 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:04:35,688 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-16 00:04:35,688 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182617255] [2019-11-16 00:04:35,692 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-16 00:04:35,693 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:04:35,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-16 00:04:35,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-16 00:04:35,694 INFO L87 Difference]: Start difference. First operand 144 states and 183 transitions. Second operand 6 states. [2019-11-16 00:04:36,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:04:36,081 INFO L93 Difference]: Finished difference Result 159 states and 190 transitions. [2019-11-16 00:04:36,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-16 00:04:36,082 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 47 [2019-11-16 00:04:36,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:04:36,083 INFO L225 Difference]: With dead ends: 159 [2019-11-16 00:04:36,083 INFO L226 Difference]: Without dead ends: 159 [2019-11-16 00:04:36,083 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2019-11-16 00:04:36,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2019-11-16 00:04:36,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 137. [2019-11-16 00:04:36,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2019-11-16 00:04:36,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 170 transitions. [2019-11-16 00:04:36,088 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 170 transitions. Word has length 47 [2019-11-16 00:04:36,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:04:36,088 INFO L462 AbstractCegarLoop]: Abstraction has 137 states and 170 transitions. [2019-11-16 00:04:36,088 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-16 00:04:36,088 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 170 transitions. [2019-11-16 00:04:36,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-16 00:04:36,088 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:04:36,089 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:04:36,089 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, alloc_unsafe_17Err2REQUIRES_VIOLATION, alloc_unsafe_17Err3REQUIRES_VIOLATION, alloc_unsafe_17Err1REQUIRES_VIOLATION, alloc_unsafe_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:04:36,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:04:36,089 INFO L82 PathProgramCache]: Analyzing trace with hash 370450782, now seen corresponding path program 1 times [2019-11-16 00:04:36,090 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:04:36,090 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650463000] [2019-11-16 00:04:36,090 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:36,090 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:36,090 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:04:36,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:36,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:36,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:36,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:36,288 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2019-11-16 00:04:36,288 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650463000] [2019-11-16 00:04:36,288 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1369590214] [2019-11-16 00:04:36,288 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ba2e12ce-5fd3-47d3-ad4b-a7edb50f3c26/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 [2019-11-16 00:04:36,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:36,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-16 00:04:36,473 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:04:36,677 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 4 proven. 51 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-16 00:04:36,677 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-16 00:04:36,677 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10] total 21 [2019-11-16 00:04:36,677 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617840025] [2019-11-16 00:04:36,678 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-11-16 00:04:36,678 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:04:36,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-11-16 00:04:36,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=346, Unknown=0, NotChecked=0, Total=420 [2019-11-16 00:04:36,679 INFO L87 Difference]: Start difference. First operand 137 states and 170 transitions. Second operand 21 states. [2019-11-16 00:04:37,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:04:37,476 INFO L93 Difference]: Finished difference Result 161 states and 189 transitions. [2019-11-16 00:04:37,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-11-16 00:04:37,481 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 49 [2019-11-16 00:04:37,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:04:37,483 INFO L225 Difference]: With dead ends: 161 [2019-11-16 00:04:37,483 INFO L226 Difference]: Without dead ends: 161 [2019-11-16 00:04:37,484 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=281, Invalid=1525, Unknown=0, NotChecked=0, Total=1806 [2019-11-16 00:04:37,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2019-11-16 00:04:37,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 110. [2019-11-16 00:04:37,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-11-16 00:04:37,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 124 transitions. [2019-11-16 00:04:37,488 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 124 transitions. Word has length 49 [2019-11-16 00:04:37,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:04:37,489 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 124 transitions. [2019-11-16 00:04:37,489 INFO L463 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-11-16 00:04:37,489 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 124 transitions. [2019-11-16 00:04:37,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-16 00:04:37,490 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:04:37,490 INFO L380 BasicCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:04:37,691 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:04:37,691 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, alloc_unsafe_17Err2REQUIRES_VIOLATION, alloc_unsafe_17Err3REQUIRES_VIOLATION, alloc_unsafe_17Err1REQUIRES_VIOLATION, alloc_unsafe_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:04:37,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:04:37,692 INFO L82 PathProgramCache]: Analyzing trace with hash -1434580336, now seen corresponding path program 1 times [2019-11-16 00:04:37,692 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:04:37,692 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972769981] [2019-11-16 00:04:37,692 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:37,692 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:37,692 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:04:37,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:37,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:37,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:37,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:37,836 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-16 00:04:37,838 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972769981] [2019-11-16 00:04:37,838 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [225749704] [2019-11-16 00:04:37,838 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ba2e12ce-5fd3-47d3-ad4b-a7edb50f3c26/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 [2019-11-16 00:04:38,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:38,008 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-16 00:04:38,010 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:04:38,142 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 4 proven. 70 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-16 00:04:38,144 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-16 00:04:38,144 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 21 [2019-11-16 00:04:38,144 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381869921] [2019-11-16 00:04:38,146 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-11-16 00:04:38,146 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:04:38,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-11-16 00:04:38,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=272, Unknown=0, NotChecked=0, Total=420 [2019-11-16 00:04:38,147 INFO L87 Difference]: Start difference. First operand 110 states and 124 transitions. Second operand 21 states. [2019-11-16 00:04:38,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:04:38,501 INFO L93 Difference]: Finished difference Result 144 states and 163 transitions. [2019-11-16 00:04:38,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-16 00:04:38,501 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 53 [2019-11-16 00:04:38,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:04:38,503 INFO L225 Difference]: With dead ends: 144 [2019-11-16 00:04:38,503 INFO L226 Difference]: Without dead ends: 144 [2019-11-16 00:04:38,503 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=153, Invalid=309, Unknown=0, NotChecked=0, Total=462 [2019-11-16 00:04:38,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2019-11-16 00:04:38,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 113. [2019-11-16 00:04:38,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-11-16 00:04:38,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 127 transitions. [2019-11-16 00:04:38,508 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 127 transitions. Word has length 53 [2019-11-16 00:04:38,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:04:38,508 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 127 transitions. [2019-11-16 00:04:38,508 INFO L463 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-11-16 00:04:38,508 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 127 transitions. [2019-11-16 00:04:38,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-16 00:04:38,509 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:04:38,509 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:04:38,710 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:04:38,710 INFO L410 AbstractCegarLoop]: === Iteration 17 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, alloc_unsafe_17Err2REQUIRES_VIOLATION, alloc_unsafe_17Err3REQUIRES_VIOLATION, alloc_unsafe_17Err1REQUIRES_VIOLATION, alloc_unsafe_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:04:38,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:04:38,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1032375986, now seen corresponding path program 2 times [2019-11-16 00:04:38,711 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:04:38,711 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684895800] [2019-11-16 00:04:38,711 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:38,711 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:38,712 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:04:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:38,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:38,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:38,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:38,934 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-16 00:04:38,934 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684895800] [2019-11-16 00:04:38,934 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [760135252] [2019-11-16 00:04:38,934 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ba2e12ce-5fd3-47d3-ad4b-a7edb50f3c26/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 [2019-11-16 00:04:39,079 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-16 00:04:39,079 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-16 00:04:39,080 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-16 00:04:39,081 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:04:39,114 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 15 treesize of output 11 [2019-11-16 00:04:39,114 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-16 00:04:39,116 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:04:39,116 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-16 00:04:39,116 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2019-11-16 00:04:39,163 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 23 treesize of output 7 [2019-11-16 00:04:39,163 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-16 00:04:39,165 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:04:39,165 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-16 00:04:39,165 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:23, output treesize:3 [2019-11-16 00:04:39,181 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-11-16 00:04:39,182 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-16 00:04:39,182 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14] total 21 [2019-11-16 00:04:39,182 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110099524] [2019-11-16 00:04:39,182 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-16 00:04:39,182 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:04:39,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-16 00:04:39,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=343, Unknown=0, NotChecked=0, Total=420 [2019-11-16 00:04:39,183 INFO L87 Difference]: Start difference. First operand 113 states and 127 transitions. Second operand 9 states. [2019-11-16 00:04:39,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:04:39,407 INFO L93 Difference]: Finished difference Result 123 states and 137 transitions. [2019-11-16 00:04:39,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-16 00:04:39,407 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2019-11-16 00:04:39,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:04:39,408 INFO L225 Difference]: With dead ends: 123 [2019-11-16 00:04:39,408 INFO L226 Difference]: Without dead ends: 123 [2019-11-16 00:04:39,409 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=119, Invalid=637, Unknown=0, NotChecked=0, Total=756 [2019-11-16 00:04:39,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2019-11-16 00:04:39,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 114. [2019-11-16 00:04:39,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-11-16 00:04:39,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 128 transitions. [2019-11-16 00:04:39,413 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 128 transitions. Word has length 56 [2019-11-16 00:04:39,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:04:39,413 INFO L462 AbstractCegarLoop]: Abstraction has 114 states and 128 transitions. [2019-11-16 00:04:39,413 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-16 00:04:39,414 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 128 transitions. [2019-11-16 00:04:39,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-16 00:04:39,414 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:04:39,415 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:04:39,618 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:04:39,618 INFO L410 AbstractCegarLoop]: === Iteration 18 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, alloc_unsafe_17Err2REQUIRES_VIOLATION, alloc_unsafe_17Err3REQUIRES_VIOLATION, alloc_unsafe_17Err1REQUIRES_VIOLATION, alloc_unsafe_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:04:39,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:04:39,619 INFO L82 PathProgramCache]: Analyzing trace with hash 1938884861, now seen corresponding path program 1 times [2019-11-16 00:04:39,619 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:04:39,619 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532422663] [2019-11-16 00:04:39,619 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:39,620 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:39,620 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:04:39,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:39,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:39,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:39,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:39,777 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-16 00:04:39,783 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532422663] [2019-11-16 00:04:39,784 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [436499879] [2019-11-16 00:04:39,784 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ba2e12ce-5fd3-47d3-ad4b-a7edb50f3c26/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 [2019-11-16 00:04:39,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:39,977 INFO L256 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-16 00:04:39,978 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:04:40,169 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 92 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-16 00:04:40,170 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-16 00:04:40,170 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 23 [2019-11-16 00:04:40,170 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696417152] [2019-11-16 00:04:40,170 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-11-16 00:04:40,171 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:04:40,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-11-16 00:04:40,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=327, Unknown=0, NotChecked=0, Total=506 [2019-11-16 00:04:40,171 INFO L87 Difference]: Start difference. First operand 114 states and 128 transitions. Second operand 23 states. [2019-11-16 00:04:40,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:04:40,568 INFO L93 Difference]: Finished difference Result 147 states and 166 transitions. [2019-11-16 00:04:40,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-16 00:04:40,569 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 57 [2019-11-16 00:04:40,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:04:40,570 INFO L225 Difference]: With dead ends: 147 [2019-11-16 00:04:40,570 INFO L226 Difference]: Without dead ends: 147 [2019-11-16 00:04:40,570 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=184, Invalid=368, Unknown=0, NotChecked=0, Total=552 [2019-11-16 00:04:40,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2019-11-16 00:04:40,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 117. [2019-11-16 00:04:40,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-11-16 00:04:40,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 131 transitions. [2019-11-16 00:04:40,574 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 131 transitions. Word has length 57 [2019-11-16 00:04:40,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:04:40,574 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 131 transitions. [2019-11-16 00:04:40,575 INFO L463 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-11-16 00:04:40,575 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 131 transitions. [2019-11-16 00:04:40,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-16 00:04:40,576 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:04:40,576 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:04:40,779 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:04:40,779 INFO L410 AbstractCegarLoop]: === Iteration 19 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, alloc_unsafe_17Err2REQUIRES_VIOLATION, alloc_unsafe_17Err3REQUIRES_VIOLATION, alloc_unsafe_17Err1REQUIRES_VIOLATION, alloc_unsafe_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:04:40,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:04:40,780 INFO L82 PathProgramCache]: Analyzing trace with hash 1031334943, now seen corresponding path program 2 times [2019-11-16 00:04:40,780 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:04:40,780 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768962217] [2019-11-16 00:04:40,780 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:40,781 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:40,781 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:04:40,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:40,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:40,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:40,967 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-16 00:04:40,967 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768962217] [2019-11-16 00:04:40,967 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [289581010] [2019-11-16 00:04:40,967 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ba2e12ce-5fd3-47d3-ad4b-a7edb50f3c26/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 [2019-11-16 00:04:41,151 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-16 00:04:41,151 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-16 00:04:41,153 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-16 00:04:41,158 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:04:41,221 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 15 treesize of output 11 [2019-11-16 00:04:41,221 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-16 00:04:41,226 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:04:41,227 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-16 00:04:41,227 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:21, output treesize:13 [2019-11-16 00:04:41,297 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 25 treesize of output 9 [2019-11-16 00:04:41,298 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-16 00:04:41,299 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:04:41,299 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-16 00:04:41,299 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:25, output treesize:5 [2019-11-16 00:04:41,321 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2019-11-16 00:04:41,322 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-16 00:04:41,322 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15] total 22 [2019-11-16 00:04:41,322 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988406166] [2019-11-16 00:04:41,322 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-16 00:04:41,322 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:04:41,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-16 00:04:41,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2019-11-16 00:04:41,323 INFO L87 Difference]: Start difference. First operand 117 states and 131 transitions. Second operand 9 states. [2019-11-16 00:04:41,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:04:41,709 INFO L93 Difference]: Finished difference Result 181 states and 203 transitions. [2019-11-16 00:04:41,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-16 00:04:41,709 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 60 [2019-11-16 00:04:41,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:04:41,710 INFO L225 Difference]: With dead ends: 181 [2019-11-16 00:04:41,710 INFO L226 Difference]: Without dead ends: 181 [2019-11-16 00:04:41,711 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=150, Invalid=842, Unknown=0, NotChecked=0, Total=992 [2019-11-16 00:04:41,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2019-11-16 00:04:41,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 129. [2019-11-16 00:04:41,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2019-11-16 00:04:41,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 149 transitions. [2019-11-16 00:04:41,716 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 149 transitions. Word has length 60 [2019-11-16 00:04:41,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:04:41,716 INFO L462 AbstractCegarLoop]: Abstraction has 129 states and 149 transitions. [2019-11-16 00:04:41,717 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-16 00:04:41,717 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 149 transitions. [2019-11-16 00:04:41,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-16 00:04:41,718 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:04:41,718 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:04:41,922 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:04:41,922 INFO L410 AbstractCegarLoop]: === Iteration 20 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, alloc_unsafe_17Err2REQUIRES_VIOLATION, alloc_unsafe_17Err3REQUIRES_VIOLATION, alloc_unsafe_17Err1REQUIRES_VIOLATION, alloc_unsafe_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:04:41,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:04:41,923 INFO L82 PathProgramCache]: Analyzing trace with hash 737931936, now seen corresponding path program 1 times [2019-11-16 00:04:41,923 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:04:41,923 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448022973] [2019-11-16 00:04:41,923 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:41,923 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:41,923 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:04:41,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:41,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:42,019 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2019-11-16 00:04:42,019 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448022973] [2019-11-16 00:04:42,019 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:04:42,020 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-16 00:04:42,020 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815216956] [2019-11-16 00:04:42,020 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-16 00:04:42,020 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:04:42,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-16 00:04:42,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-16 00:04:42,021 INFO L87 Difference]: Start difference. First operand 129 states and 149 transitions. Second operand 7 states. [2019-11-16 00:04:42,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:04:42,305 INFO L93 Difference]: Finished difference Result 151 states and 165 transitions. [2019-11-16 00:04:42,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-16 00:04:42,306 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 60 [2019-11-16 00:04:42,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:04:42,307 INFO L225 Difference]: With dead ends: 151 [2019-11-16 00:04:42,307 INFO L226 Difference]: Without dead ends: 151 [2019-11-16 00:04:42,308 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-16 00:04:42,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2019-11-16 00:04:42,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 118. [2019-11-16 00:04:42,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-11-16 00:04:42,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 130 transitions. [2019-11-16 00:04:42,312 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 130 transitions. Word has length 60 [2019-11-16 00:04:42,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:04:42,312 INFO L462 AbstractCegarLoop]: Abstraction has 118 states and 130 transitions. [2019-11-16 00:04:42,312 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-16 00:04:42,312 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 130 transitions. [2019-11-16 00:04:42,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-16 00:04:42,315 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:04:42,315 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:04:42,315 INFO L410 AbstractCegarLoop]: === Iteration 21 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, alloc_unsafe_17Err2REQUIRES_VIOLATION, alloc_unsafe_17Err3REQUIRES_VIOLATION, alloc_unsafe_17Err1REQUIRES_VIOLATION, alloc_unsafe_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:04:42,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:04:42,316 INFO L82 PathProgramCache]: Analyzing trace with hash 1906612530, now seen corresponding path program 1 times [2019-11-16 00:04:42,316 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:04:42,316 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292376767] [2019-11-16 00:04:42,316 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:42,317 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:42,317 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:04:42,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:42,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:42,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:42,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:42,495 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-16 00:04:42,495 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292376767] [2019-11-16 00:04:42,495 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410870765] [2019-11-16 00:04:42,495 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ba2e12ce-5fd3-47d3-ad4b-a7edb50f3c26/bin/uautomizer/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:04:42,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:42,666 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-16 00:04:42,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:04:42,850 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 4 proven. 117 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-16 00:04:42,850 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-16 00:04:42,850 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 25 [2019-11-16 00:04:42,850 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795253931] [2019-11-16 00:04:42,850 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2019-11-16 00:04:42,851 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:04:42,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2019-11-16 00:04:42,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=387, Unknown=0, NotChecked=0, Total=600 [2019-11-16 00:04:42,851 INFO L87 Difference]: Start difference. First operand 118 states and 130 transitions. Second operand 25 states. [2019-11-16 00:04:43,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:04:43,342 INFO L93 Difference]: Finished difference Result 135 states and 147 transitions. [2019-11-16 00:04:43,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-16 00:04:43,343 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 61 [2019-11-16 00:04:43,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:04:43,344 INFO L225 Difference]: With dead ends: 135 [2019-11-16 00:04:43,344 INFO L226 Difference]: Without dead ends: 135 [2019-11-16 00:04:43,344 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=233, Invalid=469, Unknown=0, NotChecked=0, Total=702 [2019-11-16 00:04:43,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2019-11-16 00:04:43,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 121. [2019-11-16 00:04:43,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2019-11-16 00:04:43,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 133 transitions. [2019-11-16 00:04:43,348 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 133 transitions. Word has length 61 [2019-11-16 00:04:43,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:04:43,348 INFO L462 AbstractCegarLoop]: Abstraction has 121 states and 133 transitions. [2019-11-16 00:04:43,348 INFO L463 AbstractCegarLoop]: Interpolant automaton has 25 states. [2019-11-16 00:04:43,348 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 133 transitions. [2019-11-16 00:04:43,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-16 00:04:43,349 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:04:43,349 INFO L380 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:04:43,557 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:04:43,558 INFO L410 AbstractCegarLoop]: === Iteration 22 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, alloc_unsafe_17Err2REQUIRES_VIOLATION, alloc_unsafe_17Err3REQUIRES_VIOLATION, alloc_unsafe_17Err1REQUIRES_VIOLATION, alloc_unsafe_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:04:43,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:04:43,558 INFO L82 PathProgramCache]: Analyzing trace with hash 1891769172, now seen corresponding path program 2 times [2019-11-16 00:04:43,558 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:04:43,558 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978574804] [2019-11-16 00:04:43,558 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:43,558 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:43,558 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:04:43,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:43,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:43,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:43,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:43,659 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2019-11-16 00:04:43,660 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978574804] [2019-11-16 00:04:43,660 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1599772411] [2019-11-16 00:04:43,660 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ba2e12ce-5fd3-47d3-ad4b-a7edb50f3c26/bin/uautomizer/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:04:43,821 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-16 00:04:43,821 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-16 00:04:43,822 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-16 00:04:43,823 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:04:43,828 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 [2019-11-16 00:04:43,828 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-16 00:04:43,832 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:04:43,833 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-16 00:04:43,833 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-16 00:04:43,865 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 15 treesize of output 11 [2019-11-16 00:04:43,865 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-16 00:04:43,870 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:04:43,870 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-16 00:04:43,870 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:21, output treesize:13 [2019-11-16 00:04:43,922 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 25 treesize of output 9 [2019-11-16 00:04:43,922 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-16 00:04:43,926 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:04:43,926 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-16 00:04:43,926 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:25, output treesize:5 [2019-11-16 00:04:43,947 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2019-11-16 00:04:43,947 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-16 00:04:43,947 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 15 [2019-11-16 00:04:43,947 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946178718] [2019-11-16 00:04:43,948 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-16 00:04:43,948 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:04:43,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-16 00:04:43,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2019-11-16 00:04:43,949 INFO L87 Difference]: Start difference. First operand 121 states and 133 transitions. Second operand 9 states. [2019-11-16 00:04:44,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:04:44,219 INFO L93 Difference]: Finished difference Result 130 states and 143 transitions. [2019-11-16 00:04:44,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-16 00:04:44,222 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2019-11-16 00:04:44,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:04:44,223 INFO L225 Difference]: With dead ends: 130 [2019-11-16 00:04:44,223 INFO L226 Difference]: Without dead ends: 130 [2019-11-16 00:04:44,223 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2019-11-16 00:04:44,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2019-11-16 00:04:44,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 127. [2019-11-16 00:04:44,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2019-11-16 00:04:44,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 140 transitions. [2019-11-16 00:04:44,227 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 140 transitions. Word has length 64 [2019-11-16 00:04:44,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:04:44,227 INFO L462 AbstractCegarLoop]: Abstraction has 127 states and 140 transitions. [2019-11-16 00:04:44,227 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-16 00:04:44,227 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 140 transitions. [2019-11-16 00:04:44,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-16 00:04:44,228 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:04:44,228 INFO L380 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:04:44,431 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:04:44,432 INFO L410 AbstractCegarLoop]: === Iteration 23 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, alloc_unsafe_17Err2REQUIRES_VIOLATION, alloc_unsafe_17Err3REQUIRES_VIOLATION, alloc_unsafe_17Err1REQUIRES_VIOLATION, alloc_unsafe_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:04:44,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:04:44,432 INFO L82 PathProgramCache]: Analyzing trace with hash 428319608, now seen corresponding path program 1 times [2019-11-16 00:04:44,433 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:04:44,433 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870443538] [2019-11-16 00:04:44,433 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:44,433 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:44,434 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:04:44,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:44,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:44,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:44,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:44,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:44,616 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2019-11-16 00:04:44,616 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870443538] [2019-11-16 00:04:44,616 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1108253153] [2019-11-16 00:04:44,617 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ba2e12ce-5fd3-47d3-ad4b-a7edb50f3c26/bin/uautomizer/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:04:44,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:44,823 INFO L256 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 19 conjunts are in the unsatisfiable core [2019-11-16 00:04:44,825 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:04:44,843 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2019-11-16 00:04:44,844 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-16 00:04:44,844 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 10 [2019-11-16 00:04:44,844 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204270360] [2019-11-16 00:04:44,846 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-16 00:04:44,846 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:04:44,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-16 00:04:44,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2019-11-16 00:04:44,847 INFO L87 Difference]: Start difference. First operand 127 states and 140 transitions. Second operand 6 states. [2019-11-16 00:04:45,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:04:45,064 INFO L93 Difference]: Finished difference Result 157 states and 172 transitions. [2019-11-16 00:04:45,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-16 00:04:45,064 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2019-11-16 00:04:45,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:04:45,066 INFO L225 Difference]: With dead ends: 157 [2019-11-16 00:04:45,066 INFO L226 Difference]: Without dead ends: 157 [2019-11-16 00:04:45,066 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2019-11-16 00:04:45,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2019-11-16 00:04:45,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 137. [2019-11-16 00:04:45,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2019-11-16 00:04:45,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 153 transitions. [2019-11-16 00:04:45,071 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 153 transitions. Word has length 65 [2019-11-16 00:04:45,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:04:45,072 INFO L462 AbstractCegarLoop]: Abstraction has 137 states and 153 transitions. [2019-11-16 00:04:45,072 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-16 00:04:45,072 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 153 transitions. [2019-11-16 00:04:45,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-16 00:04:45,073 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:04:45,073 INFO L380 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:04:45,282 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:04:45,282 INFO L410 AbstractCegarLoop]: === Iteration 24 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, alloc_unsafe_17Err2REQUIRES_VIOLATION, alloc_unsafe_17Err3REQUIRES_VIOLATION, alloc_unsafe_17Err1REQUIRES_VIOLATION, alloc_unsafe_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:04:45,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:04:45,283 INFO L82 PathProgramCache]: Analyzing trace with hash 428319609, now seen corresponding path program 1 times [2019-11-16 00:04:45,283 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:04:45,283 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816083323] [2019-11-16 00:04:45,283 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:45,283 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:45,284 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:04:45,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:45,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:45,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:45,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:45,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:45,509 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2019-11-16 00:04:45,509 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816083323] [2019-11-16 00:04:45,509 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [515316904] [2019-11-16 00:04:45,509 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ba2e12ce-5fd3-47d3-ad4b-a7edb50f3c26/bin/uautomizer/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:04:45,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:45,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 34 conjunts are in the unsatisfiable core [2019-11-16 00:04:45,695 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:04:46,065 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 104 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:04:46,065 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-16 00:04:46,066 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 16] total 26 [2019-11-16 00:04:46,066 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935049302] [2019-11-16 00:04:46,066 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-11-16 00:04:46,066 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:04:46,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-11-16 00:04:46,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=609, Unknown=0, NotChecked=0, Total=702 [2019-11-16 00:04:46,067 INFO L87 Difference]: Start difference. First operand 137 states and 153 transitions. Second operand 27 states. [2019-11-16 00:04:47,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:04:47,435 INFO L93 Difference]: Finished difference Result 176 states and 192 transitions. [2019-11-16 00:04:47,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2019-11-16 00:04:47,435 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 65 [2019-11-16 00:04:47,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:04:47,436 INFO L225 Difference]: With dead ends: 176 [2019-11-16 00:04:47,436 INFO L226 Difference]: Without dead ends: 176 [2019-11-16 00:04:47,437 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=285, Invalid=1695, Unknown=0, NotChecked=0, Total=1980 [2019-11-16 00:04:47,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2019-11-16 00:04:47,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 145. [2019-11-16 00:04:47,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2019-11-16 00:04:47,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 165 transitions. [2019-11-16 00:04:47,442 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 165 transitions. Word has length 65 [2019-11-16 00:04:47,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:04:47,442 INFO L462 AbstractCegarLoop]: Abstraction has 145 states and 165 transitions. [2019-11-16 00:04:47,442 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-11-16 00:04:47,442 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 165 transitions. [2019-11-16 00:04:47,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-16 00:04:47,443 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:04:47,443 INFO L380 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:04:47,653 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:04:47,654 INFO L410 AbstractCegarLoop]: === Iteration 25 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, alloc_unsafe_17Err2REQUIRES_VIOLATION, alloc_unsafe_17Err3REQUIRES_VIOLATION, alloc_unsafe_17Err1REQUIRES_VIOLATION, alloc_unsafe_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:04:47,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:04:47,654 INFO L82 PathProgramCache]: Analyzing trace with hash -1791128778, now seen corresponding path program 1 times [2019-11-16 00:04:47,654 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:04:47,654 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29822818] [2019-11-16 00:04:47,654 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:47,654 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:47,654 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:04:47,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:47,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:47,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:47,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:47,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:47,948 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2019-11-16 00:04:47,949 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29822818] [2019-11-16 00:04:47,949 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2137689285] [2019-11-16 00:04:47,949 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ba2e12ce-5fd3-47d3-ad4b-a7edb50f3c26/bin/uautomizer/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:04:48,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:48,143 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 48 conjunts are in the unsatisfiable core [2019-11-16 00:04:48,144 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:04:48,529 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:48,530 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 21 [2019-11-16 00:04:48,530 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-16 00:04:48,540 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:04:48,546 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:04:48,547 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2019-11-16 00:04:48,547 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-16 00:04:48,555 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:04:48,555 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-16 00:04:48,555 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:35, output treesize:19 [2019-11-16 00:04:48,637 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:04:48,638 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2019-11-16 00:04:48,638 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-16 00:04:48,646 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:04:48,649 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 21 [2019-11-16 00:04:48,650 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-16 00:04:48,659 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:04:48,659 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-16 00:04:48,660 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:35, output treesize:19 [2019-11-16 00:04:48,702 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 108 proven. 50 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-16 00:04:48,703 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-16 00:04:48,703 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 20] total 32 [2019-11-16 00:04:48,703 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77670502] [2019-11-16 00:04:48,703 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2019-11-16 00:04:48,704 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:04:48,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2019-11-16 00:04:48,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=943, Unknown=0, NotChecked=0, Total=1056 [2019-11-16 00:04:48,704 INFO L87 Difference]: Start difference. First operand 145 states and 165 transitions. Second operand 33 states. [2019-11-16 00:04:50,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:04:50,700 INFO L93 Difference]: Finished difference Result 206 states and 234 transitions. [2019-11-16 00:04:50,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2019-11-16 00:04:50,701 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 66 [2019-11-16 00:04:50,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:04:50,702 INFO L225 Difference]: With dead ends: 206 [2019-11-16 00:04:50,702 INFO L226 Difference]: Without dead ends: 206 [2019-11-16 00:04:50,704 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 585 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=387, Invalid=2805, Unknown=0, NotChecked=0, Total=3192 [2019-11-16 00:04:50,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2019-11-16 00:04:50,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 151. [2019-11-16 00:04:50,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2019-11-16 00:04:50,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 174 transitions. [2019-11-16 00:04:50,709 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 174 transitions. Word has length 66 [2019-11-16 00:04:50,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:04:50,709 INFO L462 AbstractCegarLoop]: Abstraction has 151 states and 174 transitions. [2019-11-16 00:04:50,709 INFO L463 AbstractCegarLoop]: Interpolant automaton has 33 states. [2019-11-16 00:04:50,709 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 174 transitions. [2019-11-16 00:04:50,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-16 00:04:50,710 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:04:50,710 INFO L380 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:04:50,910 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:04:50,911 INFO L410 AbstractCegarLoop]: === Iteration 26 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, alloc_unsafe_17Err2REQUIRES_VIOLATION, alloc_unsafe_17Err3REQUIRES_VIOLATION, alloc_unsafe_17Err1REQUIRES_VIOLATION, alloc_unsafe_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:04:50,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:04:50,911 INFO L82 PathProgramCache]: Analyzing trace with hash 393006323, now seen corresponding path program 1 times [2019-11-16 00:04:50,911 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:04:50,911 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129214284] [2019-11-16 00:04:50,911 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:50,911 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:04:50,912 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:04:50,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:51,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:51,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:51,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:51,854 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 85 proven. 62 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-16 00:04:51,854 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129214284] [2019-11-16 00:04:51,855 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [796143585] [2019-11-16 00:04:51,855 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ba2e12ce-5fd3-47d3-ad4b-a7edb50f3c26/bin/uautomizer/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:04:52,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:04:52,106 INFO L256 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 47 conjunts are in the unsatisfiable core [2019-11-16 00:04:52,109 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:04:52,141 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 15 treesize of output 11 [2019-11-16 00:04:52,142 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-16 00:04:52,155 INFO L567 ElimStorePlain]: treesize reduction 7, result has 72.0 percent of original size [2019-11-16 00:04:52,155 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-16 00:04:52,155 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:18 [2019-11-16 00:04:52,201 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:52,201 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2019-11-16 00:04:52,202 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-16 00:04:52,210 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:04:52,211 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-16 00:04:52,211 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:34 [2019-11-16 00:04:52,315 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:52,316 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:52,317 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:52,317 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:04:52,318 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2019-11-16 00:04:52,318 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-16 00:04:52,326 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:04:52,326 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-16 00:04:52,326 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:46 [2019-11-16 00:04:52,420 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:52,421 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:52,422 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:52,423 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:52,424 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:52,425 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:52,426 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:04:52,426 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 71 [2019-11-16 00:04:52,426 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-16 00:04:52,436 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:04:52,437 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-16 00:04:52,437 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:79, output treesize:75 [2019-11-16 00:04:52,560 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:52,562 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:52,565 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:52,567 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:52,568 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:52,569 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:52,570 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:52,571 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:52,573 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:52,574 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:52,575 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:04:52,575 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 77 treesize of output 85 [2019-11-16 00:04:52,576 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-16 00:04:52,599 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:04:52,599 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-16 00:04:52,599 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:95, output treesize:91 [2019-11-16 00:04:52,746 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:52,747 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:52,748 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:52,749 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:52,750 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:52,751 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:52,752 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:52,753 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:52,754 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:52,755 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:52,762 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:52,763 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:52,765 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:52,766 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:52,768 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:52,769 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:04:52,769 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 88 treesize of output 99 [2019-11-16 00:04:52,770 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-16 00:04:52,789 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:04:52,790 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-16 00:04:52,790 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:111, output treesize:107 [2019-11-16 00:04:52,981 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:52,983 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:52,985 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:52,989 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:52,991 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:52,993 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:52,997 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:52,999 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:53,000 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:53,001 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:53,002 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:53,004 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:53,005 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:53,006 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:53,008 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:53,009 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:53,013 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:53,015 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:53,016 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:53,017 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:53,019 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:53,020 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:04:53,020 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 99 treesize of output 113 [2019-11-16 00:04:53,021 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-16 00:04:53,051 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:04:53,051 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-11-16 00:04:53,052 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:127, output treesize:123 [2019-11-16 00:04:53,254 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:53,255 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:53,256 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:53,258 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:53,259 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:53,260 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:53,261 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:53,262 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:53,263 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:53,263 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:53,264 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:53,265 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:53,266 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:53,267 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:53,268 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:53,269 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:53,270 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:53,271 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:53,272 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:53,273 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:53,274 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:53,275 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:53,275 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:53,276 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:53,277 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:53,278 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:53,279 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:53,280 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:53,281 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:04:53,281 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 110 treesize of output 127 [2019-11-16 00:04:53,282 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-16 00:04:53,309 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:04:53,310 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2019-11-16 00:04:53,310 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:143, output treesize:139 [2019-11-16 00:04:53,882 WARN L191 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-11-16 00:04:54,181 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:54,185 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:54,187 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:54,188 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:54,192 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:54,193 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:54,194 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:54,195 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:54,196 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:54,197 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:54,198 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:54,199 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:54,200 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:54,201 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:54,202 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:54,203 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:54,204 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:54,205 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:54,206 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:54,207 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:54,208 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:54,209 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:54,210 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:54,211 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:54,212 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:54,213 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:54,214 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:54,215 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:54,216 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:54,217 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:54,218 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:54,219 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:54,220 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:54,221 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:54,221 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:54,222 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:54,223 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:04:54,224 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 121 treesize of output 141 [2019-11-16 00:04:54,224 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-16 00:04:54,289 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:04:54,290 INFO L496 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2019-11-16 00:04:54,290 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:159, output treesize:155 [2019-11-16 00:04:58,221 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:58,222 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:58,223 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:58,224 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:58,225 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:58,226 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:58,227 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:58,228 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:58,230 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:58,231 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:58,232 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:58,233 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:58,234 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:58,235 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:58,236 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:58,237 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:58,238 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:58,239 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:58,240 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:58,241 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:58,241 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:58,242 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:58,243 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:58,244 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:58,245 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:58,246 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:58,247 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:58,248 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:58,249 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:58,250 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:58,251 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:58,252 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:58,254 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:58,255 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:58,256 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:58,257 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:58,258 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:58,259 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:58,260 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:58,261 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:58,262 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:58,263 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:58,264 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:58,265 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:58,266 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:04:58,267 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:04:58,267 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 132 treesize of output 155 [2019-11-16 00:04:58,268 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-16 00:04:58,308 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:04:58,309 INFO L496 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2019-11-16 00:04:58,309 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 8 variables, input treesize:175, output treesize:171 [2019-11-16 00:05:41,156 WARN L191 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-11-16 00:05:43,345 WARN L191 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 60 [2019-11-16 00:05:45,513 WARN L191 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 62 [2019-11-16 00:05:45,535 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:05:45,536 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:05:45,538 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:05:45,539 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:05:45,540 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:05:45,542 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:05:45,543 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:05:45,544 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:05:45,546 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:05:45,547 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:05:45,549 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:05:45,550 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:05:45,552 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:05:45,553 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:05:45,555 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:05:45,556 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:05:45,558 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:05:45,559 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:05:45,561 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:05:45,562 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:05:45,563 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:05:45,569 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:05:45,571 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:05:45,572 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:05:45,573 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:05:45,575 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:05:45,576 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:05:45,578 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:05:45,579 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:05:45,581 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:05:45,582 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:05:45,584 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:05:45,585 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:05:45,586 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:05:45,588 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:05:45,589 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:05:45,590 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:05:45,592 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:05:45,593 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:05:45,595 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:05:45,596 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:05:45,598 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-16 00:05:45,599 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:05:45,599 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 92 treesize of output 34 [2019-11-16 00:05:45,600 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-16 00:05:45,615 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:05:45,616 INFO L496 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-16 00:05:45,616 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 9 variables, input treesize:125, output treesize:3 [2019-11-16 00:05:45,661 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 57 proven. 90 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-16 00:05:45,661 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-16 00:05:45,662 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 28] total 44 [2019-11-16 00:05:45,662 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187015465] [2019-11-16 00:05:45,662 INFO L442 AbstractCegarLoop]: Interpolant automaton has 45 states [2019-11-16 00:05:45,662 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:05:45,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2019-11-16 00:05:45,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=349, Invalid=1617, Unknown=14, NotChecked=0, Total=1980 [2019-11-16 00:05:45,663 INFO L87 Difference]: Start difference. First operand 151 states and 174 transitions. Second operand 45 states. [2019-11-16 00:06:57,498 WARN L191 SmtUtils]: Spent 18.82 s on a formula simplification. DAG size of input: 81 DAG size of output: 78 [2019-11-16 00:07:07,930 WARN L191 SmtUtils]: Spent 7.65 s on a formula simplification that was a NOOP. DAG size: 78 [2019-11-16 00:07:33,517 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2019-11-16 00:07:33,718 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:07:33,719 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:123) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:99) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.pop(WrapperScript.java:153) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.pop(HistoryRecordingScript.java:100) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.managedscript.ManagedScript.pop(ManagedScript.java:130) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.unAssertPostcondition(IncrementalHoareTripleChecker.java:660) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.clearAssertionStack(IncrementalHoareTripleChecker.java:264) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.releaseLock(IncrementalHoareTripleChecker.java:279) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.ProtectiveHoareTripleChecker.releaseLock(ProtectiveHoareTripleChecker.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.EfficientHoareTripleChecker.releaseLock(EfficientHoareTripleChecker.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.CachingHoareTripleChecker.releaseLock(CachingHoareTripleChecker.java:202) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.switchToReadonlyMode(AbstractInterpolantAutomaton.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:684) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:597) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:454) 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) Caused by: java.io.IOException: Stream closed at java.lang.ProcessBuilder$NullOutputStream.write(ProcessBuilder.java:433) at java.io.OutputStream.write(OutputStream.java:116) at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82) at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140) at sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:297) at sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:141) at java.io.OutputStreamWriter.flush(OutputStreamWriter.java:229) at java.io.BufferedWriter.flush(BufferedWriter.java:254) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:120) ... 30 more [2019-11-16 00:07:33,722 INFO L168 Benchmark]: Toolchain (without parser) took 195643.82 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 528.5 MB). Free memory was 944.7 MB in the beginning and 1.5 GB in the end (delta: -544.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:07:33,722 INFO L168 Benchmark]: CDTParser took 0.31 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. [2019-11-16 00:07:33,723 INFO L168 Benchmark]: CACSL2BoogieTranslator took 767.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -167.2 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2019-11-16 00:07:33,723 INFO L168 Benchmark]: Boogie Preprocessor took 157.83 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-16 00:07:33,723 INFO L168 Benchmark]: RCFGBuilder took 1400.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 991.9 MB in the end (delta: 114.6 MB). Peak memory consumption was 114.6 MB. Max. memory is 11.5 GB. [2019-11-16 00:07:33,724 INFO L168 Benchmark]: TraceAbstraction took 193314.35 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 377.5 MB). Free memory was 991.9 MB in the beginning and 1.5 GB in the end (delta: -497.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:07:33,725 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 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 767.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -167.2 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 157.83 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1400.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 991.9 MB in the end (delta: 114.6 MB). Peak memory consumption was 114.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 193314.35 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 377.5 MB). Free memory was 991.9 MB in the beginning and 1.5 GB in the end (delta: -497.5 MB). There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-11-16 00:07:35,798 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:07:35,799 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:07:35,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:07:35,810 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:07:35,811 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:07:35,812 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:07:35,814 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:07:35,816 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:07:35,816 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:07:35,817 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:07:35,818 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:07:35,819 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:07:35,820 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:07:35,820 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:07:35,822 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:07:35,822 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:07:35,823 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:07:35,825 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:07:35,827 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:07:35,828 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:07:35,829 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:07:35,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:07:35,831 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:07:35,833 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:07:35,834 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:07:35,834 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:07:35,835 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:07:35,835 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:07:35,836 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:07:35,836 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:07:35,837 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:07:35,838 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:07:35,838 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:07:35,839 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:07:35,840 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:07:35,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:07:35,840 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:07:35,841 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:07:35,841 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:07:35,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:07:35,843 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ba2e12ce-5fd3-47d3-ad4b-a7edb50f3c26/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-16 00:07:35,857 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:07:35,857 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:07:35,858 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:07:35,858 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:07:35,858 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:07:35,859 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:07:35,859 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 00:07:35,859 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 00:07:35,859 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 00:07:35,860 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 00:07:35,860 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:07:35,860 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-16 00:07:35,860 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-16 00:07:35,860 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-16 00:07:35,861 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 00:07:35,861 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-16 00:07:35,861 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-16 00:07:35,861 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 00:07:35,862 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:07:35,862 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:07:35,862 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:07:35,862 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 00:07:35,862 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 00:07:35,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:07:35,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:07:35,863 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 00:07:35,863 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-16 00:07:35,864 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-16 00:07:35,864 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-16 00:07:35,864 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/run_dir_ba2e12ce-5fd3-47d3-ad4b-a7edb50f3c26/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 -> a95368535a8c20a6128f13edcb77bbb1dbe40e6b [2019-11-16 00:07:35,893 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:07:35,903 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:07:35,906 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:07:35,907 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:07:35,907 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:07:35,908 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ba2e12ce-5fd3-47d3-ad4b-a7edb50f3c26/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-1.i [2019-11-16 00:07:35,959 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ba2e12ce-5fd3-47d3-ad4b-a7edb50f3c26/bin/uautomizer/data/0bc8542fb/91d3ada9e641408eb7922089536bcf8c/FLAG1688eb838 [2019-11-16 00:07:36,399 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:07:36,400 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ba2e12ce-5fd3-47d3-ad4b-a7edb50f3c26/sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-1.i [2019-11-16 00:07:36,414 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ba2e12ce-5fd3-47d3-ad4b-a7edb50f3c26/bin/uautomizer/data/0bc8542fb/91d3ada9e641408eb7922089536bcf8c/FLAG1688eb838 [2019-11-16 00:07:36,703 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ba2e12ce-5fd3-47d3-ad4b-a7edb50f3c26/bin/uautomizer/data/0bc8542fb/91d3ada9e641408eb7922089536bcf8c [2019-11-16 00:07:36,705 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:07:36,706 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-16 00:07:36,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:07:36,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:07:36,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:07:36,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:07:36" (1/1) ... [2019-11-16 00:07:36,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2db34f6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:36, skipping insertion in model container [2019-11-16 00:07:36,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:07:36" (1/1) ... [2019-11-16 00:07:36,721 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:07:36,784 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:07:37,273 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:07:37,294 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:07:37,377 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:07:37,473 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:07:37,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:37 WrapperNode [2019-11-16 00:07:37,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:07:37,474 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:07:37,475 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:07:37,475 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:07:37,488 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:37" (1/1) ... [2019-11-16 00:07:37,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:37" (1/1) ... [2019-11-16 00:07:37,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:37" (1/1) ... [2019-11-16 00:07:37,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:37" (1/1) ... [2019-11-16 00:07:37,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:37" (1/1) ... [2019-11-16 00:07:37,555 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:37" (1/1) ... [2019-11-16 00:07:37,562 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:37" (1/1) ... [2019-11-16 00:07:37,584 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:07:37,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:07:37,585 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:07:37,585 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:07:37,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ba2e12ce-5fd3-47d3-ad4b-a7edb50f3c26/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 [2019-11-16 00:07:37,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-16 00:07:37,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:07:37,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-16 00:07:37,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-16 00:07:37,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-16 00:07:37,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-16 00:07:37,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-16 00:07:37,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-16 00:07:37,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-16 00:07:37,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-16 00:07:37,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-16 00:07:37,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-16 00:07:37,646 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-16 00:07:37,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-16 00:07:37,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-16 00:07:37,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-16 00:07:37,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-16 00:07:37,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-16 00:07:37,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-16 00:07:37,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-16 00:07:37,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-16 00:07:37,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-16 00:07:37,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-16 00:07:37,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-16 00:07:37,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-16 00:07:37,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-16 00:07:37,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-16 00:07:37,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-16 00:07:37,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-16 00:07:37,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-16 00:07:37,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-16 00:07:37,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-16 00:07:37,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-16 00:07:37,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-16 00:07:37,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-16 00:07:37,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-16 00:07:37,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-16 00:07:37,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-16 00:07:37,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-16 00:07:37,648 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-16 00:07:37,648 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-16 00:07:37,648 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_unsafe_17 [2019-11-16 00:07:37,648 INFO L138 BoogieDeclarations]: Found implementation of procedure free_17 [2019-11-16 00:07:37,648 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-16 00:07:37,649 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-16 00:07:37,649 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-16 00:07:37,649 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-16 00:07:37,649 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-16 00:07:37,649 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-16 00:07:37,649 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-16 00:07:37,649 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-16 00:07:37,649 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-16 00:07:37,649 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-16 00:07:37,649 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-16 00:07:37,650 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-16 00:07:37,650 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-16 00:07:37,650 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-16 00:07:37,650 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-16 00:07:37,650 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-16 00:07:37,650 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-16 00:07:37,650 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-16 00:07:37,650 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-16 00:07:37,650 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-16 00:07:37,650 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-16 00:07:37,650 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-16 00:07:37,651 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-16 00:07:37,651 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-16 00:07:37,651 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-16 00:07:37,651 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-16 00:07:37,651 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-16 00:07:37,651 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-16 00:07:37,651 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-16 00:07:37,651 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-16 00:07:37,651 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-16 00:07:37,651 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-16 00:07:37,652 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-16 00:07:37,652 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-16 00:07:37,652 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-16 00:07:37,652 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-16 00:07:37,652 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-16 00:07:37,652 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-16 00:07:37,652 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-16 00:07:37,652 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-16 00:07:37,652 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-16 00:07:37,652 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-16 00:07:37,652 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-16 00:07:37,653 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-16 00:07:37,653 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-16 00:07:37,653 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-16 00:07:37,653 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-16 00:07:37,653 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-16 00:07:37,653 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-16 00:07:37,653 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-16 00:07:37,654 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-16 00:07:37,654 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-16 00:07:37,654 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-16 00:07:37,654 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-16 00:07:37,654 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-16 00:07:37,655 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-16 00:07:37,655 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-16 00:07:37,655 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-16 00:07:37,655 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-16 00:07:37,655 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-16 00:07:37,655 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-16 00:07:37,656 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-16 00:07:37,656 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-16 00:07:37,656 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-16 00:07:37,656 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-16 00:07:37,656 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-16 00:07:37,657 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-16 00:07:37,657 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-16 00:07:37,657 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-16 00:07:37,657 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-16 00:07:37,657 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-16 00:07:37,657 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-16 00:07:37,658 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-16 00:07:37,658 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-16 00:07:37,658 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-16 00:07:37,658 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-16 00:07:37,658 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-16 00:07:37,659 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-16 00:07:37,659 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-16 00:07:37,659 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-16 00:07:37,659 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-16 00:07:37,659 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-16 00:07:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-16 00:07:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-16 00:07:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-16 00:07:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-16 00:07:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-16 00:07:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-16 00:07:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-16 00:07:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-16 00:07:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-16 00:07:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-16 00:07:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-16 00:07:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-16 00:07:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-16 00:07:37,670 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-16 00:07:37,670 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-16 00:07:37,670 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-16 00:07:37,670 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-16 00:07:37,670 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-16 00:07:37,679 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-16 00:07:37,680 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-16 00:07:37,680 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-16 00:07:37,680 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-16 00:07:37,680 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-16 00:07:37,680 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-16 00:07:37,681 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-16 00:07:37,681 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-16 00:07:37,681 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-16 00:07:37,681 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-16 00:07:37,681 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-16 00:07:37,681 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-16 00:07:37,681 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-16 00:07:37,682 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-16 00:07:37,682 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-16 00:07:37,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-16 00:07:37,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-16 00:07:37,682 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-16 00:07:37,682 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-16 00:07:37,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-16 00:07:37,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-16 00:07:37,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-16 00:07:37,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-16 00:07:37,683 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-16 00:07:37,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-16 00:07:37,684 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-16 00:07:37,684 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-16 00:07:37,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-16 00:07:37,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-16 00:07:37,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-16 00:07:37,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-16 00:07:37,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-16 00:07:37,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-16 00:07:37,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-16 00:07:37,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-16 00:07:37,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-16 00:07:37,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-16 00:07:37,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-16 00:07:37,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-16 00:07:37,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-16 00:07:37,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-16 00:07:37,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-16 00:07:37,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-16 00:07:37,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-16 00:07:37,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-16 00:07:37,687 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-16 00:07:37,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-16 00:07:37,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-16 00:07:37,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-16 00:07:37,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-16 00:07:37,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-16 00:07:37,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-16 00:07:37,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-16 00:07:37,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-16 00:07:37,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-16 00:07:37,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-16 00:07:37,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-16 00:07:37,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-16 00:07:37,691 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-16 00:07:37,691 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-16 00:07:37,692 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_unsafe_17 [2019-11-16 00:07:37,692 INFO L130 BoogieDeclarations]: Found specification of procedure free_17 [2019-11-16 00:07:37,692 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-16 00:07:37,692 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-16 00:07:37,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-16 00:07:37,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-16 00:07:37,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-16 00:07:37,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:07:37,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-16 00:07:37,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-16 00:07:37,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-16 00:07:37,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-16 00:07:38,361 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-16 00:07:38,820 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-16 00:07:39,378 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:07:39,378 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-16 00:07:39,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:07:39 BoogieIcfgContainer [2019-11-16 00:07:39,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:07:39,381 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-16 00:07:39,382 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-16 00:07:39,385 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-16 00:07:39,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:07:36" (1/3) ... [2019-11-16 00:07:39,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be022fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:07:39, skipping insertion in model container [2019-11-16 00:07:39,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:37" (2/3) ... [2019-11-16 00:07:39,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be022fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:07:39, skipping insertion in model container [2019-11-16 00:07:39,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:07:39" (3/3) ... [2019-11-16 00:07:39,389 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test17_2-1.i [2019-11-16 00:07:39,398 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-16 00:07:39,406 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 88 error locations. [2019-11-16 00:07:39,417 INFO L249 AbstractCegarLoop]: Starting to check reachability of 88 error locations. [2019-11-16 00:07:39,438 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-16 00:07:39,438 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-16 00:07:39,438 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-16 00:07:39,439 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:07:39,439 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:07:39,439 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-16 00:07:39,439 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:07:39,440 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-16 00:07:39,474 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2019-11-16 00:07:39,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-16 00:07:39,486 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:07:39,487 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:07:39,489 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_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_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_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, alloc_unsafe_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err0REQUIRES_VIOLATION, alloc_unsafe_17Err1REQUIRES_VIOLATION, alloc_unsafe_17Err2REQUIRES_VIOLATION, alloc_unsafe_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_unsafe_17Err3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-16 00:07:39,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:07:39,494 INFO L82 PathProgramCache]: Analyzing trace with hash 643410278, now seen corresponding path program 1 times [2019-11-16 00:07:39,503 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-16 00:07:39,504 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [854709384] [2019-11-16 00:07:39,504 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ba2e12ce-5fd3-47d3-ad4b-a7edb50f3c26/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 [2019-11-16 00:07:39,731 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-16 00:07:39,732 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) [2019-11-16 00:07:39,736 INFO L168 Benchmark]: Toolchain (without parser) took 3029.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 947.0 MB in the beginning and 961.1 MB in the end (delta: -14.1 MB). Peak memory consumption was 129.1 MB. Max. memory is 11.5 GB. [2019-11-16 00:07:39,736 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:07:39,737 INFO L168 Benchmark]: CACSL2BoogieTranslator took 767.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -151.6 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. [2019-11-16 00:07:39,738 INFO L168 Benchmark]: Boogie Preprocessor took 110.24 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:07:39,738 INFO L168 Benchmark]: RCFGBuilder took 1795.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 979.9 MB in the end (delta: 118.7 MB). Peak memory consumption was 118.7 MB. Max. memory is 11.5 GB. [2019-11-16 00:07:39,739 INFO L168 Benchmark]: TraceAbstraction took 352.88 ms. Allocated memory is still 1.2 GB. Free memory was 979.9 MB in the beginning and 961.1 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2019-11-16 00:07:39,742 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 767.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -151.6 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 110.24 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1795.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 979.9 MB in the end (delta: 118.7 MB). Peak memory consumption was 118.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 352.88 ms. Allocated memory is still 1.2 GB. Free memory was 979.9 MB in the beginning and 961.1 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 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...