./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test19-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3b6d083e-dae8-4834-90c6-d00fe3970552/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3b6d083e-dae8-4834-90c6-d00fe3970552/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3b6d083e-dae8-4834-90c6-d00fe3970552/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3b6d083e-dae8-4834-90c6-d00fe3970552/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test19-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3b6d083e-dae8-4834-90c6-d00fe3970552/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3b6d083e-dae8-4834-90c6-d00fe3970552/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 36d1a8e991d0ba1b082944dbede48ef8c84f35de .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_3b6d083e-dae8-4834-90c6-d00fe3970552/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3b6d083e-dae8-4834-90c6-d00fe3970552/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3b6d083e-dae8-4834-90c6-d00fe3970552/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3b6d083e-dae8-4834-90c6-d00fe3970552/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test19-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3b6d083e-dae8-4834-90c6-d00fe3970552/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3b6d083e-dae8-4834-90c6-d00fe3970552/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 36d1a8e991d0ba1b082944dbede48ef8c84f35de ............................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 [2019-11-15 20:37:00,424 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 20:37:00,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 20:37:00,435 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 20:37:00,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 20:37:00,436 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 20:37:00,438 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 20:37:00,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 20:37:00,441 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 20:37:00,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 20:37:00,443 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 20:37:00,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 20:37:00,444 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 20:37:00,445 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 20:37:00,446 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 20:37:00,447 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 20:37:00,448 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 20:37:00,448 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 20:37:00,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 20:37:00,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 20:37:00,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 20:37:00,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 20:37:00,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 20:37:00,455 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 20:37:00,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 20:37:00,457 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 20:37:00,458 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 20:37:00,458 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 20:37:00,459 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 20:37:00,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 20:37:00,460 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 20:37:00,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 20:37:00,461 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 20:37:00,461 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 20:37:00,462 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 20:37:00,463 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 20:37:00,463 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 20:37:00,463 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 20:37:00,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 20:37:00,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 20:37:00,465 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 20:37:00,465 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3b6d083e-dae8-4834-90c6-d00fe3970552/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-15 20:37:00,477 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 20:37:00,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 20:37:00,478 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 20:37:00,479 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 20:37:00,479 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 20:37:00,479 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 20:37:00,479 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 20:37:00,480 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 20:37:00,480 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 20:37:00,480 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 20:37:00,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 20:37:00,480 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-15 20:37:00,481 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-15 20:37:00,481 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-15 20:37:00,481 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 20:37:00,481 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 20:37:00,481 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 20:37:00,482 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 20:37:00,482 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 20:37:00,482 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 20:37:00,482 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 20:37:00,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 20:37:00,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 20:37:00,483 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 20:37:00,483 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 20:37:00,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 20:37:00,483 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_3b6d083e-dae8-4834-90c6-d00fe3970552/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 -> 36d1a8e991d0ba1b082944dbede48ef8c84f35de [2019-11-15 20:37:00,517 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 20:37:00,527 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 20:37:00,530 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 20:37:00,532 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 20:37:00,532 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 20:37:00,533 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3b6d083e-dae8-4834-90c6-d00fe3970552/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test19-2.i [2019-11-15 20:37:00,608 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3b6d083e-dae8-4834-90c6-d00fe3970552/bin/uautomizer/data/181d5b6ab/3887a7249d7d466ea867a00d225e5b03/FLAGebf2e7399 [2019-11-15 20:37:01,117 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 20:37:01,118 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3b6d083e-dae8-4834-90c6-d00fe3970552/sv-benchmarks/c/ldv-memsafety/memleaks_test19-2.i [2019-11-15 20:37:01,138 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3b6d083e-dae8-4834-90c6-d00fe3970552/bin/uautomizer/data/181d5b6ab/3887a7249d7d466ea867a00d225e5b03/FLAGebf2e7399 [2019-11-15 20:37:01,553 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3b6d083e-dae8-4834-90c6-d00fe3970552/bin/uautomizer/data/181d5b6ab/3887a7249d7d466ea867a00d225e5b03 [2019-11-15 20:37:01,557 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 20:37:01,559 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-15 20:37:01,560 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 20:37:01,560 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 20:37:01,564 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 20:37:01,565 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:37:01" (1/1) ... [2019-11-15 20:37:01,567 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3de1ca19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:37:01, skipping insertion in model container [2019-11-15 20:37:01,568 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:37:01" (1/1) ... [2019-11-15 20:37:01,575 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 20:37:01,633 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 20:37:02,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:37:02,154 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 20:37:02,216 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:37:02,312 INFO L192 MainTranslator]: Completed translation [2019-11-15 20:37:02,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:37:02 WrapperNode [2019-11-15 20:37:02,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 20:37:02,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 20:37:02,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 20:37:02,314 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 20:37:02,327 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:37:02" (1/1) ... [2019-11-15 20:37:02,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:37:02" (1/1) ... [2019-11-15 20:37:02,348 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:37:02" (1/1) ... [2019-11-15 20:37:02,349 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:37:02" (1/1) ... [2019-11-15 20:37:02,388 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:37:02" (1/1) ... [2019-11-15 20:37:02,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:37:02" (1/1) ... [2019-11-15 20:37:02,403 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:37:02" (1/1) ... [2019-11-15 20:37:02,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 20:37:02,418 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 20:37:02,418 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 20:37:02,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 20:37:02,425 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:37:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b6d083e-dae8-4834-90c6-d00fe3970552/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 [2019-11-15 20:37:02,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-15 20:37:02,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 20:37:02,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-15 20:37:02,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-15 20:37:02,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-15 20:37:02,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-15 20:37:02,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-15 20:37:02,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-15 20:37:02,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-15 20:37:02,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-15 20:37:02,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-15 20:37:02,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-15 20:37:02,489 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-15 20:37:02,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-15 20:37:02,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-15 20:37:02,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-15 20:37:02,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-15 20:37:02,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-15 20:37:02,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-15 20:37:02,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-15 20:37:02,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-15 20:37:02,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-15 20:37:02,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-15 20:37:02,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-15 20:37:02,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-15 20:37:02,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-15 20:37:02,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-15 20:37:02,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-15 20:37:02,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-15 20:37:02,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-15 20:37:02,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-15 20:37:02,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-15 20:37:02,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-15 20:37:02,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-15 20:37:02,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-15 20:37:02,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-15 20:37:02,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-15 20:37:02,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-15 20:37:02,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-15 20:37:02,495 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-15 20:37:02,495 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-15 20:37:02,495 INFO L138 BoogieDeclarations]: Found implementation of procedure f19 [2019-11-15 20:37:02,495 INFO L138 BoogieDeclarations]: Found implementation of procedure f19_undo [2019-11-15 20:37:02,495 INFO L138 BoogieDeclarations]: Found implementation of procedure g19 [2019-11-15 20:37:02,495 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_unsafe_19 [2019-11-15 20:37:02,496 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_19 [2019-11-15 20:37:02,496 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-15 20:37:02,496 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-15 20:37:02,496 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-15 20:37:02,496 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-15 20:37:02,496 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-15 20:37:02,496 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-15 20:37:02,496 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-15 20:37:02,496 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-15 20:37:02,496 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-15 20:37:02,496 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-15 20:37:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-15 20:37:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-15 20:37:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-15 20:37:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-15 20:37:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-15 20:37:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-15 20:37:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-15 20:37:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-15 20:37:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-15 20:37:02,498 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-15 20:37:02,498 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-15 20:37:02,498 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-15 20:37:02,498 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-15 20:37:02,498 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-15 20:37:02,498 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-15 20:37:02,498 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-15 20:37:02,498 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-15 20:37:02,498 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-15 20:37:02,499 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-15 20:37:02,499 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-15 20:37:02,499 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-15 20:37:02,499 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-15 20:37:02,499 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-15 20:37:02,499 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-15 20:37:02,499 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-15 20:37:02,500 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-15 20:37:02,500 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-15 20:37:02,500 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-15 20:37:02,500 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-15 20:37:02,500 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-15 20:37:02,500 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-15 20:37:02,500 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-15 20:37:02,501 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-15 20:37:02,501 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-15 20:37:02,501 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-15 20:37:02,501 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-15 20:37:02,501 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-15 20:37:02,501 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-15 20:37:02,501 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-15 20:37:02,501 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-15 20:37:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-15 20:37:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-15 20:37:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-15 20:37:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-15 20:37:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-15 20:37:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-15 20:37:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-15 20:37:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-15 20:37:02,503 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-15 20:37:02,503 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-15 20:37:02,503 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-15 20:37:02,503 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-15 20:37:02,503 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-15 20:37:02,503 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-15 20:37:02,504 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-15 20:37:02,504 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-15 20:37:02,504 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-15 20:37:02,505 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-15 20:37:02,505 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-15 20:37:02,506 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-15 20:37:02,507 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-15 20:37:02,507 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-15 20:37:02,507 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-15 20:37:02,507 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-15 20:37:02,507 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-15 20:37:02,507 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-15 20:37:02,508 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-15 20:37:02,508 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-15 20:37:02,508 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-15 20:37:02,508 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-15 20:37:02,508 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-15 20:37:02,508 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-15 20:37:02,509 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-15 20:37:02,509 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-15 20:37:02,509 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-15 20:37:02,510 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-15 20:37:02,510 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-15 20:37:02,510 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-15 20:37:02,511 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-15 20:37:02,512 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-15 20:37:02,512 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-15 20:37:02,512 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-15 20:37:02,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-15 20:37:02,513 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-15 20:37:02,513 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-15 20:37:02,513 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-15 20:37:02,514 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-15 20:37:02,514 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-15 20:37:02,514 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-15 20:37:02,514 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-15 20:37:02,515 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-15 20:37:02,515 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-15 20:37:02,516 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-15 20:37:02,516 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-15 20:37:02,516 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-15 20:37:02,516 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-15 20:37:02,516 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-15 20:37:02,517 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-15 20:37:02,517 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-15 20:37:02,517 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-15 20:37:02,517 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-15 20:37:02,517 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-15 20:37:02,517 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-15 20:37:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-15 20:37:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-15 20:37:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-15 20:37:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-15 20:37:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-15 20:37:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-15 20:37:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-15 20:37:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-15 20:37:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-15 20:37:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-15 20:37:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-15 20:37:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-15 20:37:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-15 20:37:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-15 20:37:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-15 20:37:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-15 20:37:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-15 20:37:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-15 20:37:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-15 20:37:02,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-15 20:37:02,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-15 20:37:02,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-15 20:37:02,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 20:37:02,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-15 20:37:02,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-15 20:37:02,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-15 20:37:02,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-15 20:37:02,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-15 20:37:02,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 20:37:02,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 20:37:02,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-15 20:37:02,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-15 20:37:02,523 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-15 20:37:02,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-15 20:37:02,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-15 20:37:02,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-15 20:37:02,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-15 20:37:02,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-15 20:37:02,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-15 20:37:02,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-15 20:37:02,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-15 20:37:02,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-15 20:37:02,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-15 20:37:02,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-15 20:37:02,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-15 20:37:02,525 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-15 20:37:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-15 20:37:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure f19 [2019-11-15 20:37:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure f19_undo [2019-11-15 20:37:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure g19 [2019-11-15 20:37:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure probe_unsafe_19 [2019-11-15 20:37:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_19 [2019-11-15 20:37:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-15 20:37:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 20:37:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-15 20:37:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-15 20:37:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-15 20:37:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 20:37:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-15 20:37:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-15 20:37:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-15 20:37:02,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-15 20:37:03,066 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-15 20:37:03,306 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-15 20:37:03,556 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 20:37:03,559 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-15 20:37:03,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:37:03 BoogieIcfgContainer [2019-11-15 20:37:03,561 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 20:37:03,562 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 20:37:03,562 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 20:37:03,564 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 20:37:03,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 08:37:01" (1/3) ... [2019-11-15 20:37:03,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cd36500 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:37:03, skipping insertion in model container [2019-11-15 20:37:03,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:37:02" (2/3) ... [2019-11-15 20:37:03,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cd36500 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:37:03, skipping insertion in model container [2019-11-15 20:37:03,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:37:03" (3/3) ... [2019-11-15 20:37:03,568 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test19-2.i [2019-11-15 20:37:03,576 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 20:37:03,584 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 94 error locations. [2019-11-15 20:37:03,594 INFO L249 AbstractCegarLoop]: Starting to check reachability of 94 error locations. [2019-11-15 20:37:03,610 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 20:37:03,611 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-15 20:37:03,611 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 20:37:03,611 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 20:37:03,611 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 20:37:03,611 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 20:37:03,611 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 20:37:03,612 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 20:37:03,630 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states. [2019-11-15 20:37:03,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-15 20:37:03,639 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:37:03,639 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:37:03,642 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, probe_unsafe_19Err5REQUIRES_VIOLATION, probe_unsafe_19Err0REQUIRES_VIOLATION, probe_unsafe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err4REQUIRES_VIOLATION, probe_unsafe_19Err3REQUIRES_VIOLATION, probe_unsafe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err2REQUIRES_VIOLATION, probe_unsafe_19Err1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 20:37:03,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:37:03,647 INFO L82 PathProgramCache]: Analyzing trace with hash 295952236, now seen corresponding path program 1 times [2019-11-15 20:37:03,653 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:37:03,653 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343084678] [2019-11-15 20:37:03,654 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:03,654 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:03,654 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:37:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:03,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:03,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:03,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:37:03,950 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343084678] [2019-11-15 20:37:03,951 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:37:03,951 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 20:37:03,952 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402715005] [2019-11-15 20:37:03,958 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 20:37:03,958 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:37:03,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 20:37:03,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-15 20:37:03,974 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 8 states. [2019-11-15 20:37:04,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:37:04,691 INFO L93 Difference]: Finished difference Result 142 states and 164 transitions. [2019-11-15 20:37:04,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-15 20:37:04,702 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 15 [2019-11-15 20:37:04,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:37:04,715 INFO L225 Difference]: With dead ends: 142 [2019-11-15 20:37:04,715 INFO L226 Difference]: Without dead ends: 139 [2019-11-15 20:37:04,717 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2019-11-15 20:37:04,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2019-11-15 20:37:04,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 100. [2019-11-15 20:37:04,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-11-15 20:37:04,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 116 transitions. [2019-11-15 20:37:04,797 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 116 transitions. Word has length 15 [2019-11-15 20:37:04,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:37:04,797 INFO L462 AbstractCegarLoop]: Abstraction has 100 states and 116 transitions. [2019-11-15 20:37:04,797 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 20:37:04,798 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 116 transitions. [2019-11-15 20:37:04,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-15 20:37:04,800 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:37:04,800 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:37:04,801 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, probe_unsafe_19Err5REQUIRES_VIOLATION, probe_unsafe_19Err0REQUIRES_VIOLATION, probe_unsafe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err4REQUIRES_VIOLATION, probe_unsafe_19Err3REQUIRES_VIOLATION, probe_unsafe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err2REQUIRES_VIOLATION, probe_unsafe_19Err1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 20:37:04,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:37:04,801 INFO L82 PathProgramCache]: Analyzing trace with hash 295952237, now seen corresponding path program 1 times [2019-11-15 20:37:04,802 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:37:04,802 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281370746] [2019-11-15 20:37:04,802 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:04,802 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:04,802 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:37:04,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:04,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:05,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:05,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:37:05,028 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281370746] [2019-11-15 20:37:05,028 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:37:05,029 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 20:37:05,029 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013418414] [2019-11-15 20:37:05,030 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 20:37:05,030 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:37:05,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 20:37:05,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-15 20:37:05,031 INFO L87 Difference]: Start difference. First operand 100 states and 116 transitions. Second operand 8 states. [2019-11-15 20:37:05,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:37:05,648 INFO L93 Difference]: Finished difference Result 139 states and 159 transitions. [2019-11-15 20:37:05,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-15 20:37:05,648 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 15 [2019-11-15 20:37:05,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:37:05,650 INFO L225 Difference]: With dead ends: 139 [2019-11-15 20:37:05,651 INFO L226 Difference]: Without dead ends: 139 [2019-11-15 20:37:05,651 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2019-11-15 20:37:05,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2019-11-15 20:37:05,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 112. [2019-11-15 20:37:05,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2019-11-15 20:37:05,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 135 transitions. [2019-11-15 20:37:05,670 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 135 transitions. Word has length 15 [2019-11-15 20:37:05,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:37:05,671 INFO L462 AbstractCegarLoop]: Abstraction has 112 states and 135 transitions. [2019-11-15 20:37:05,671 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 20:37:05,671 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 135 transitions. [2019-11-15 20:37:05,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-15 20:37:05,672 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:37:05,672 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:37:05,673 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, probe_unsafe_19Err5REQUIRES_VIOLATION, probe_unsafe_19Err0REQUIRES_VIOLATION, probe_unsafe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err4REQUIRES_VIOLATION, probe_unsafe_19Err3REQUIRES_VIOLATION, probe_unsafe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err2REQUIRES_VIOLATION, probe_unsafe_19Err1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 20:37:05,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:37:05,674 INFO L82 PathProgramCache]: Analyzing trace with hash 295922445, now seen corresponding path program 1 times [2019-11-15 20:37:05,674 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:37:05,674 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552288574] [2019-11-15 20:37:05,675 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:05,675 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:05,675 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:37:05,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:05,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:05,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:05,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:37:05,841 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552288574] [2019-11-15 20:37:05,842 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:37:05,842 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 20:37:05,842 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047538759] [2019-11-15 20:37:05,842 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-15 20:37:05,842 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:37:05,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-15 20:37:05,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-15 20:37:05,843 INFO L87 Difference]: Start difference. First operand 112 states and 135 transitions. Second operand 9 states. [2019-11-15 20:37:06,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:37:06,461 INFO L93 Difference]: Finished difference Result 159 states and 186 transitions. [2019-11-15 20:37:06,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-15 20:37:06,461 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15 [2019-11-15 20:37:06,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:37:06,463 INFO L225 Difference]: With dead ends: 159 [2019-11-15 20:37:06,463 INFO L226 Difference]: Without dead ends: 159 [2019-11-15 20:37:06,464 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2019-11-15 20:37:06,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2019-11-15 20:37:06,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 109. [2019-11-15 20:37:06,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-11-15 20:37:06,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 131 transitions. [2019-11-15 20:37:06,478 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 131 transitions. Word has length 15 [2019-11-15 20:37:06,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:37:06,479 INFO L462 AbstractCegarLoop]: Abstraction has 109 states and 131 transitions. [2019-11-15 20:37:06,479 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-15 20:37:06,479 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 131 transitions. [2019-11-15 20:37:06,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-15 20:37:06,480 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:37:06,480 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:37:06,481 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, probe_unsafe_19Err5REQUIRES_VIOLATION, probe_unsafe_19Err0REQUIRES_VIOLATION, probe_unsafe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err4REQUIRES_VIOLATION, probe_unsafe_19Err3REQUIRES_VIOLATION, probe_unsafe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err2REQUIRES_VIOLATION, probe_unsafe_19Err1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 20:37:06,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:37:06,481 INFO L82 PathProgramCache]: Analyzing trace with hash 295922446, now seen corresponding path program 1 times [2019-11-15 20:37:06,481 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:37:06,482 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948637088] [2019-11-15 20:37:06,482 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:06,482 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:06,482 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:37:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:06,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:06,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:37:06,651 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948637088] [2019-11-15 20:37:06,651 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:37:06,651 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 20:37:06,651 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473920284] [2019-11-15 20:37:06,652 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-15 20:37:06,652 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:37:06,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-15 20:37:06,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-11-15 20:37:06,652 INFO L87 Difference]: Start difference. First operand 109 states and 131 transitions. Second operand 9 states. [2019-11-15 20:37:07,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:37:07,359 INFO L93 Difference]: Finished difference Result 156 states and 182 transitions. [2019-11-15 20:37:07,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-15 20:37:07,360 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15 [2019-11-15 20:37:07,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:37:07,362 INFO L225 Difference]: With dead ends: 156 [2019-11-15 20:37:07,362 INFO L226 Difference]: Without dead ends: 156 [2019-11-15 20:37:07,362 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2019-11-15 20:37:07,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2019-11-15 20:37:07,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 85. [2019-11-15 20:37:07,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2019-11-15 20:37:07,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 92 transitions. [2019-11-15 20:37:07,381 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 92 transitions. Word has length 15 [2019-11-15 20:37:07,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:37:07,383 INFO L462 AbstractCegarLoop]: Abstraction has 85 states and 92 transitions. [2019-11-15 20:37:07,383 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-15 20:37:07,383 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 92 transitions. [2019-11-15 20:37:07,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-15 20:37:07,384 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:37:07,384 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] [2019-11-15 20:37:07,385 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, probe_unsafe_19Err5REQUIRES_VIOLATION, probe_unsafe_19Err0REQUIRES_VIOLATION, probe_unsafe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err4REQUIRES_VIOLATION, probe_unsafe_19Err3REQUIRES_VIOLATION, probe_unsafe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err2REQUIRES_VIOLATION, probe_unsafe_19Err1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 20:37:07,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:37:07,386 INFO L82 PathProgramCache]: Analyzing trace with hash 160755053, now seen corresponding path program 1 times [2019-11-15 20:37:07,386 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:37:07,386 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967374210] [2019-11-15 20:37:07,386 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:07,386 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:07,386 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:37:07,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:07,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:07,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:07,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:07,523 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 20:37:07,524 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967374210] [2019-11-15 20:37:07,524 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [17770443] [2019-11-15 20:37:07,524 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b6d083e-dae8-4834-90c6-d00fe3970552/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 [2019-11-15 20:37:07,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:07,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-15 20:37:07,699 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:37:07,757 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 [2019-11-15 20:37:07,758 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:37:07,760 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:37:07,760 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 20:37:07,761 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-15 20:37:07,867 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-15 20:37:07,867 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 20:37:07,867 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 14 [2019-11-15 20:37:07,867 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554933094] [2019-11-15 20:37:07,868 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 20:37:07,868 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:37:07,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 20:37:07,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2019-11-15 20:37:07,869 INFO L87 Difference]: Start difference. First operand 85 states and 92 transitions. Second operand 8 states. [2019-11-15 20:37:08,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:37:08,227 INFO L93 Difference]: Finished difference Result 129 states and 151 transitions. [2019-11-15 20:37:08,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-15 20:37:08,227 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 26 [2019-11-15 20:37:08,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:37:08,229 INFO L225 Difference]: With dead ends: 129 [2019-11-15 20:37:08,229 INFO L226 Difference]: Without dead ends: 129 [2019-11-15 20:37:08,229 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2019-11-15 20:37:08,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2019-11-15 20:37:08,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 87. [2019-11-15 20:37:08,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2019-11-15 20:37:08,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 96 transitions. [2019-11-15 20:37:08,239 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 96 transitions. Word has length 26 [2019-11-15 20:37:08,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:37:08,239 INFO L462 AbstractCegarLoop]: Abstraction has 87 states and 96 transitions. [2019-11-15 20:37:08,240 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 20:37:08,240 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 96 transitions. [2019-11-15 20:37:08,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-15 20:37:08,241 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:37:08,241 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] [2019-11-15 20:37:08,444 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 20:37:08,445 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, probe_unsafe_19Err5REQUIRES_VIOLATION, probe_unsafe_19Err0REQUIRES_VIOLATION, probe_unsafe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err4REQUIRES_VIOLATION, probe_unsafe_19Err3REQUIRES_VIOLATION, probe_unsafe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err2REQUIRES_VIOLATION, probe_unsafe_19Err1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 20:37:08,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:37:08,445 INFO L82 PathProgramCache]: Analyzing trace with hash 160755054, now seen corresponding path program 1 times [2019-11-15 20:37:08,445 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:37:08,445 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483796272] [2019-11-15 20:37:08,446 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:08,446 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:08,446 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:37:08,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:08,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:08,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:08,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:08,589 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 20:37:08,589 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483796272] [2019-11-15 20:37:08,589 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [531098036] [2019-11-15 20:37:08,590 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b6d083e-dae8-4834-90c6-d00fe3970552/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 [2019-11-15 20:37:08,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:08,747 INFO L256 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-15 20:37:08,759 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:37:08,803 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 13 treesize of output 9 [2019-11-15 20:37:08,804 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:37:08,814 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:37:08,817 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 13 treesize of output 9 [2019-11-15 20:37:08,818 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 20:37:08,824 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:37:08,824 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 20:37:08,824 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:19 [2019-11-15 20:37:08,837 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 19 treesize of output 7 [2019-11-15 20:37:08,837 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:37:08,845 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:37:08,848 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 19 treesize of output 7 [2019-11-15 20:37:08,849 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 20:37:08,853 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:37:08,853 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 20:37:08,854 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:37, output treesize:7 [2019-11-15 20:37:08,856 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:37:08,856 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 20:37:08,856 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 8 [2019-11-15 20:37:08,857 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848040430] [2019-11-15 20:37:08,857 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 20:37:08,857 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:37:08,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 20:37:08,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-15 20:37:08,858 INFO L87 Difference]: Start difference. First operand 87 states and 96 transitions. Second operand 6 states. [2019-11-15 20:37:08,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:37:08,919 INFO L93 Difference]: Finished difference Result 94 states and 103 transitions. [2019-11-15 20:37:08,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 20:37:08,920 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2019-11-15 20:37:08,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:37:08,921 INFO L225 Difference]: With dead ends: 94 [2019-11-15 20:37:08,921 INFO L226 Difference]: Without dead ends: 94 [2019-11-15 20:37:08,921 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-11-15 20:37:08,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2019-11-15 20:37:08,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 91. [2019-11-15 20:37:08,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2019-11-15 20:37:08,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 100 transitions. [2019-11-15 20:37:08,927 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 100 transitions. Word has length 26 [2019-11-15 20:37:08,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:37:08,927 INFO L462 AbstractCegarLoop]: Abstraction has 91 states and 100 transitions. [2019-11-15 20:37:08,927 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 20:37:08,927 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 100 transitions. [2019-11-15 20:37:08,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-15 20:37:08,928 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:37:08,928 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:37:09,133 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 20:37:09,133 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, probe_unsafe_19Err5REQUIRES_VIOLATION, probe_unsafe_19Err0REQUIRES_VIOLATION, probe_unsafe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err4REQUIRES_VIOLATION, probe_unsafe_19Err3REQUIRES_VIOLATION, probe_unsafe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err2REQUIRES_VIOLATION, probe_unsafe_19Err1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 20:37:09,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:37:09,134 INFO L82 PathProgramCache]: Analyzing trace with hash -1346796755, now seen corresponding path program 1 times [2019-11-15 20:37:09,134 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:37:09,134 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520869648] [2019-11-15 20:37:09,134 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:09,134 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:09,134 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:37:09,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:09,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:09,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:09,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:09,287 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 20:37:09,287 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520869648] [2019-11-15 20:37:09,288 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:37:09,288 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-15 20:37:09,288 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324337149] [2019-11-15 20:37:09,288 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-15 20:37:09,288 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:37:09,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-15 20:37:09,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-11-15 20:37:09,289 INFO L87 Difference]: Start difference. First operand 91 states and 100 transitions. Second operand 11 states. [2019-11-15 20:37:09,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:37:09,880 INFO L93 Difference]: Finished difference Result 110 states and 123 transitions. [2019-11-15 20:37:09,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-15 20:37:09,880 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 26 [2019-11-15 20:37:09,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:37:09,882 INFO L225 Difference]: With dead ends: 110 [2019-11-15 20:37:09,882 INFO L226 Difference]: Without dead ends: 110 [2019-11-15 20:37:09,882 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2019-11-15 20:37:09,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-11-15 20:37:09,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 93. [2019-11-15 20:37:09,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2019-11-15 20:37:09,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 101 transitions. [2019-11-15 20:37:09,889 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 101 transitions. Word has length 26 [2019-11-15 20:37:09,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:37:09,889 INFO L462 AbstractCegarLoop]: Abstraction has 93 states and 101 transitions. [2019-11-15 20:37:09,889 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-15 20:37:09,889 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 101 transitions. [2019-11-15 20:37:09,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-15 20:37:09,890 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:37:09,891 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] [2019-11-15 20:37:09,891 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, probe_unsafe_19Err5REQUIRES_VIOLATION, probe_unsafe_19Err0REQUIRES_VIOLATION, probe_unsafe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err4REQUIRES_VIOLATION, probe_unsafe_19Err3REQUIRES_VIOLATION, probe_unsafe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err2REQUIRES_VIOLATION, probe_unsafe_19Err1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 20:37:09,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:37:09,892 INFO L82 PathProgramCache]: Analyzing trace with hash -1346826547, now seen corresponding path program 1 times [2019-11-15 20:37:09,892 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:37:09,892 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259764197] [2019-11-15 20:37:09,892 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:09,892 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:09,893 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:37:09,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:10,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:10,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:10,091 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 20:37:10,091 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259764197] [2019-11-15 20:37:10,091 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:37:10,092 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 20:37:10,092 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040245807] [2019-11-15 20:37:10,092 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-15 20:37:10,092 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:37:10,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-15 20:37:10,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-15 20:37:10,093 INFO L87 Difference]: Start difference. First operand 93 states and 101 transitions. Second operand 9 states. [2019-11-15 20:37:10,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:37:10,513 INFO L93 Difference]: Finished difference Result 120 states and 135 transitions. [2019-11-15 20:37:10,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-15 20:37:10,513 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2019-11-15 20:37:10,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:37:10,515 INFO L225 Difference]: With dead ends: 120 [2019-11-15 20:37:10,515 INFO L226 Difference]: Without dead ends: 120 [2019-11-15 20:37:10,515 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2019-11-15 20:37:10,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-11-15 20:37:10,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 92. [2019-11-15 20:37:10,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-11-15 20:37:10,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 100 transitions. [2019-11-15 20:37:10,519 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 100 transitions. Word has length 26 [2019-11-15 20:37:10,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:37:10,520 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 100 transitions. [2019-11-15 20:37:10,520 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-15 20:37:10,520 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 100 transitions. [2019-11-15 20:37:10,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-15 20:37:10,521 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:37:10,521 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] [2019-11-15 20:37:10,522 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, probe_unsafe_19Err5REQUIRES_VIOLATION, probe_unsafe_19Err0REQUIRES_VIOLATION, probe_unsafe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err4REQUIRES_VIOLATION, probe_unsafe_19Err3REQUIRES_VIOLATION, probe_unsafe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err2REQUIRES_VIOLATION, probe_unsafe_19Err1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 20:37:10,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:37:10,522 INFO L82 PathProgramCache]: Analyzing trace with hash -1346826546, now seen corresponding path program 1 times [2019-11-15 20:37:10,523 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:37:10,523 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577670737] [2019-11-15 20:37:10,523 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:10,523 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:10,523 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:37:10,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:10,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:10,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:10,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:10,716 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 20:37:10,716 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577670737] [2019-11-15 20:37:10,716 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:37:10,716 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-15 20:37:10,716 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787525915] [2019-11-15 20:37:10,717 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-15 20:37:10,717 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:37:10,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-15 20:37:10,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2019-11-15 20:37:10,717 INFO L87 Difference]: Start difference. First operand 92 states and 100 transitions. Second operand 12 states. [2019-11-15 20:37:11,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:37:11,467 INFO L93 Difference]: Finished difference Result 125 states and 139 transitions. [2019-11-15 20:37:11,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-15 20:37:11,467 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 26 [2019-11-15 20:37:11,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:37:11,469 INFO L225 Difference]: With dead ends: 125 [2019-11-15 20:37:11,469 INFO L226 Difference]: Without dead ends: 125 [2019-11-15 20:37:11,469 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2019-11-15 20:37:11,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-11-15 20:37:11,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 87. [2019-11-15 20:37:11,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2019-11-15 20:37:11,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 95 transitions. [2019-11-15 20:37:11,474 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 95 transitions. Word has length 26 [2019-11-15 20:37:11,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:37:11,475 INFO L462 AbstractCegarLoop]: Abstraction has 87 states and 95 transitions. [2019-11-15 20:37:11,475 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-15 20:37:11,475 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2019-11-15 20:37:11,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-15 20:37:11,476 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:37:11,477 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:37:11,477 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, probe_unsafe_19Err5REQUIRES_VIOLATION, probe_unsafe_19Err0REQUIRES_VIOLATION, probe_unsafe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err4REQUIRES_VIOLATION, probe_unsafe_19Err3REQUIRES_VIOLATION, probe_unsafe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err2REQUIRES_VIOLATION, probe_unsafe_19Err1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 20:37:11,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:37:11,478 INFO L82 PathProgramCache]: Analyzing trace with hash 1354674157, now seen corresponding path program 1 times [2019-11-15 20:37:11,478 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:37:11,478 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42427970] [2019-11-15 20:37:11,478 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:11,479 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:11,479 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:37:11,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:11,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:11,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:11,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:11,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:37:11,651 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42427970] [2019-11-15 20:37:11,651 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:37:11,651 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-15 20:37:11,651 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832324183] [2019-11-15 20:37:11,652 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-15 20:37:11,652 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:37:11,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-15 20:37:11,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-11-15 20:37:11,653 INFO L87 Difference]: Start difference. First operand 87 states and 95 transitions. Second operand 11 states. [2019-11-15 20:37:12,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:37:12,213 INFO L93 Difference]: Finished difference Result 119 states and 134 transitions. [2019-11-15 20:37:12,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-15 20:37:12,214 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 26 [2019-11-15 20:37:12,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:37:12,215 INFO L225 Difference]: With dead ends: 119 [2019-11-15 20:37:12,215 INFO L226 Difference]: Without dead ends: 119 [2019-11-15 20:37:12,215 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2019-11-15 20:37:12,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-11-15 20:37:12,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 106. [2019-11-15 20:37:12,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-11-15 20:37:12,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 121 transitions. [2019-11-15 20:37:12,220 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 121 transitions. Word has length 26 [2019-11-15 20:37:12,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:37:12,220 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 121 transitions. [2019-11-15 20:37:12,221 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-15 20:37:12,221 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 121 transitions. [2019-11-15 20:37:12,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-15 20:37:12,226 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:37:12,227 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:37:12,227 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, probe_unsafe_19Err5REQUIRES_VIOLATION, probe_unsafe_19Err0REQUIRES_VIOLATION, probe_unsafe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err4REQUIRES_VIOLATION, probe_unsafe_19Err3REQUIRES_VIOLATION, probe_unsafe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err2REQUIRES_VIOLATION, probe_unsafe_19Err1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 20:37:12,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:37:12,227 INFO L82 PathProgramCache]: Analyzing trace with hash 1354674158, now seen corresponding path program 1 times [2019-11-15 20:37:12,228 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:37:12,228 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640823025] [2019-11-15 20:37:12,228 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:12,228 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:12,228 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:37:12,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:12,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:12,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:12,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:12,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:37:12,351 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640823025] [2019-11-15 20:37:12,351 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:37:12,352 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-15 20:37:12,352 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223520905] [2019-11-15 20:37:12,352 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-15 20:37:12,352 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:37:12,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-15 20:37:12,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-15 20:37:12,353 INFO L87 Difference]: Start difference. First operand 106 states and 121 transitions. Second operand 9 states. [2019-11-15 20:37:12,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:37:12,728 INFO L93 Difference]: Finished difference Result 116 states and 131 transitions. [2019-11-15 20:37:12,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-15 20:37:12,729 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2019-11-15 20:37:12,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:37:12,730 INFO L225 Difference]: With dead ends: 116 [2019-11-15 20:37:12,730 INFO L226 Difference]: Without dead ends: 116 [2019-11-15 20:37:12,730 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2019-11-15 20:37:12,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-11-15 20:37:12,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 110. [2019-11-15 20:37:12,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-11-15 20:37:12,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 125 transitions. [2019-11-15 20:37:12,735 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 125 transitions. Word has length 26 [2019-11-15 20:37:12,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:37:12,735 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 125 transitions. [2019-11-15 20:37:12,735 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-15 20:37:12,736 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 125 transitions. [2019-11-15 20:37:12,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-15 20:37:12,736 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:37:12,737 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:37:12,737 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, probe_unsafe_19Err5REQUIRES_VIOLATION, probe_unsafe_19Err0REQUIRES_VIOLATION, probe_unsafe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err4REQUIRES_VIOLATION, probe_unsafe_19Err3REQUIRES_VIOLATION, probe_unsafe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err2REQUIRES_VIOLATION, probe_unsafe_19Err1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 20:37:12,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:37:12,737 INFO L82 PathProgramCache]: Analyzing trace with hash -954144889, now seen corresponding path program 1 times [2019-11-15 20:37:12,738 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:37:12,738 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775401248] [2019-11-15 20:37:12,738 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:12,738 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:12,738 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:37:12,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:12,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:12,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:12,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:12,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:12,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:37:12,840 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775401248] [2019-11-15 20:37:12,840 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:37:12,840 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 20:37:12,840 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942318580] [2019-11-15 20:37:12,840 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 20:37:12,841 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:37:12,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 20:37:12,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-11-15 20:37:12,841 INFO L87 Difference]: Start difference. First operand 110 states and 125 transitions. Second operand 7 states. [2019-11-15 20:37:13,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:37:13,133 INFO L93 Difference]: Finished difference Result 119 states and 133 transitions. [2019-11-15 20:37:13,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 20:37:13,134 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2019-11-15 20:37:13,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:37:13,135 INFO L225 Difference]: With dead ends: 119 [2019-11-15 20:37:13,135 INFO L226 Difference]: Without dead ends: 106 [2019-11-15 20:37:13,136 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-15 20:37:13,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-11-15 20:37:13,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2019-11-15 20:37:13,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-11-15 20:37:13,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 120 transitions. [2019-11-15 20:37:13,141 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 120 transitions. Word has length 27 [2019-11-15 20:37:13,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:37:13,141 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 120 transitions. [2019-11-15 20:37:13,143 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 20:37:13,143 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 120 transitions. [2019-11-15 20:37:13,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-15 20:37:13,145 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:37:13,145 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:37:13,146 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, probe_unsafe_19Err5REQUIRES_VIOLATION, probe_unsafe_19Err0REQUIRES_VIOLATION, probe_unsafe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err4REQUIRES_VIOLATION, probe_unsafe_19Err3REQUIRES_VIOLATION, probe_unsafe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err2REQUIRES_VIOLATION, probe_unsafe_19Err1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 20:37:13,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:37:13,146 INFO L82 PathProgramCache]: Analyzing trace with hash -443610712, now seen corresponding path program 1 times [2019-11-15 20:37:13,146 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:37:13,147 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479727376] [2019-11-15 20:37:13,147 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:13,147 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:13,147 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:37:13,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:13,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:13,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:13,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:13,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:13,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:37:13,282 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479727376] [2019-11-15 20:37:13,282 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:37:13,282 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-15 20:37:13,282 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054458091] [2019-11-15 20:37:13,283 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-15 20:37:13,283 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:37:13,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-15 20:37:13,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-15 20:37:13,283 INFO L87 Difference]: Start difference. First operand 106 states and 120 transitions. Second operand 9 states. [2019-11-15 20:37:13,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:37:13,561 INFO L93 Difference]: Finished difference Result 101 states and 114 transitions. [2019-11-15 20:37:13,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-15 20:37:13,561 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2019-11-15 20:37:13,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:37:13,562 INFO L225 Difference]: With dead ends: 101 [2019-11-15 20:37:13,562 INFO L226 Difference]: Without dead ends: 101 [2019-11-15 20:37:13,562 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2019-11-15 20:37:13,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2019-11-15 20:37:13,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2019-11-15 20:37:13,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2019-11-15 20:37:13,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 114 transitions. [2019-11-15 20:37:13,567 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 114 transitions. Word has length 27 [2019-11-15 20:37:13,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:37:13,567 INFO L462 AbstractCegarLoop]: Abstraction has 101 states and 114 transitions. [2019-11-15 20:37:13,567 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-15 20:37:13,567 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 114 transitions. [2019-11-15 20:37:13,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-15 20:37:13,568 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:37:13,568 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:37:13,568 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, probe_unsafe_19Err5REQUIRES_VIOLATION, probe_unsafe_19Err0REQUIRES_VIOLATION, probe_unsafe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err4REQUIRES_VIOLATION, probe_unsafe_19Err3REQUIRES_VIOLATION, probe_unsafe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err2REQUIRES_VIOLATION, probe_unsafe_19Err1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 20:37:13,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:37:13,569 INFO L82 PathProgramCache]: Analyzing trace with hash -1301741305, now seen corresponding path program 1 times [2019-11-15 20:37:13,569 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:37:13,569 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056366003] [2019-11-15 20:37:13,569 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:13,569 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:13,569 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:37:13,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:13,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:13,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:13,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:13,685 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-15 20:37:13,685 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056366003] [2019-11-15 20:37:13,685 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:37:13,685 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 20:37:13,686 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958691043] [2019-11-15 20:37:13,686 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 20:37:13,686 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:37:13,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 20:37:13,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-15 20:37:13,686 INFO L87 Difference]: Start difference. First operand 101 states and 114 transitions. Second operand 8 states. [2019-11-15 20:37:13,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:37:13,955 INFO L93 Difference]: Finished difference Result 118 states and 131 transitions. [2019-11-15 20:37:13,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-15 20:37:13,955 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2019-11-15 20:37:13,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:37:13,956 INFO L225 Difference]: With dead ends: 118 [2019-11-15 20:37:13,956 INFO L226 Difference]: Without dead ends: 118 [2019-11-15 20:37:13,957 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2019-11-15 20:37:13,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2019-11-15 20:37:13,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 109. [2019-11-15 20:37:13,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-11-15 20:37:13,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 122 transitions. [2019-11-15 20:37:13,962 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 122 transitions. Word has length 35 [2019-11-15 20:37:13,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:37:13,962 INFO L462 AbstractCegarLoop]: Abstraction has 109 states and 122 transitions. [2019-11-15 20:37:13,963 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 20:37:13,963 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 122 transitions. [2019-11-15 20:37:13,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-15 20:37:13,963 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:37:13,964 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:37:13,964 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, probe_unsafe_19Err5REQUIRES_VIOLATION, probe_unsafe_19Err0REQUIRES_VIOLATION, probe_unsafe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err4REQUIRES_VIOLATION, probe_unsafe_19Err3REQUIRES_VIOLATION, probe_unsafe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err2REQUIRES_VIOLATION, probe_unsafe_19Err1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 20:37:13,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:37:13,965 INFO L82 PathProgramCache]: Analyzing trace with hash -414237624, now seen corresponding path program 1 times [2019-11-15 20:37:13,965 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:37:13,965 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581648901] [2019-11-15 20:37:13,965 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:13,965 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:13,965 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:37:13,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:14,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:14,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:14,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:14,262 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 20:37:14,263 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581648901] [2019-11-15 20:37:14,263 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1277216768] [2019-11-15 20:37:14,263 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b6d083e-dae8-4834-90c6-d00fe3970552/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 [2019-11-15 20:37:14,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:14,467 INFO L256 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 21 conjunts are in the unsatisfiable core [2019-11-15 20:37:14,473 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:37:14,502 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 13 treesize of output 9 [2019-11-15 20:37:14,503 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:37:14,505 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:37:14,505 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 20:37:14,505 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2019-11-15 20:37:15,471 WARN L860 $PredicateComparison]: unable to prove that (exists ((f19_~a.offset Int)) (= (store |c_old(#memory_$Pointer$.offset)| |c_f19_#in~a.base| (store (select |c_old(#memory_$Pointer$.offset)| |c_f19_#in~a.base|) f19_~a.offset 0)) |c_#memory_$Pointer$.offset|)) is different from true [2019-11-15 20:37:15,500 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:37:15,500 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 42 [2019-11-15 20:37:15,501 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:37:15,512 INFO L567 ElimStorePlain]: treesize reduction 22, result has 43.6 percent of original size [2019-11-15 20:37:15,513 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. [2019-11-15 20:37:15,513 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:21, output treesize:17 [2019-11-15 20:37:15,523 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 19 treesize of output 7 [2019-11-15 20:37:15,524 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:37:15,529 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:37:15,529 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 20:37:15,530 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2019-11-15 20:37:15,533 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-15 20:37:15,533 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 20:37:15,533 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [15] total 20 [2019-11-15 20:37:15,533 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322660833] [2019-11-15 20:37:15,534 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-15 20:37:15,534 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:37:15,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-15 20:37:15,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=325, Unknown=1, NotChecked=36, Total=420 [2019-11-15 20:37:15,535 INFO L87 Difference]: Start difference. First operand 109 states and 122 transitions. Second operand 10 states. [2019-11-15 20:37:15,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:37:15,871 INFO L93 Difference]: Finished difference Result 128 states and 146 transitions. [2019-11-15 20:37:15,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-15 20:37:15,871 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 35 [2019-11-15 20:37:15,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:37:15,872 INFO L225 Difference]: With dead ends: 128 [2019-11-15 20:37:15,873 INFO L226 Difference]: Without dead ends: 128 [2019-11-15 20:37:15,873 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=76, Invalid=479, Unknown=1, NotChecked=44, Total=600 [2019-11-15 20:37:15,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2019-11-15 20:37:15,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 118. [2019-11-15 20:37:15,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-11-15 20:37:15,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 137 transitions. [2019-11-15 20:37:15,879 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 137 transitions. Word has length 35 [2019-11-15 20:37:15,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:37:15,880 INFO L462 AbstractCegarLoop]: Abstraction has 118 states and 137 transitions. [2019-11-15 20:37:15,880 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-15 20:37:15,880 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 137 transitions. [2019-11-15 20:37:15,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-15 20:37:15,881 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:37:15,881 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:37:16,081 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 20:37:16,082 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, probe_unsafe_19Err5REQUIRES_VIOLATION, probe_unsafe_19Err0REQUIRES_VIOLATION, probe_unsafe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err4REQUIRES_VIOLATION, probe_unsafe_19Err3REQUIRES_VIOLATION, probe_unsafe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err2REQUIRES_VIOLATION, probe_unsafe_19Err1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 20:37:16,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:37:16,082 INFO L82 PathProgramCache]: Analyzing trace with hash 43535751, now seen corresponding path program 1 times [2019-11-15 20:37:16,082 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:37:16,082 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693230977] [2019-11-15 20:37:16,082 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:16,083 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:16,083 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:37:16,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:16,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:16,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:16,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:16,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:16,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 20:37:16,381 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693230977] [2019-11-15 20:37:16,381 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [321779326] [2019-11-15 20:37:16,381 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b6d083e-dae8-4834-90c6-d00fe3970552/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 [2019-11-15 20:37:16,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:16,553 INFO L256 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-15 20:37:16,556 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:37:16,604 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 13 treesize of output 9 [2019-11-15 20:37:16,605 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:37:16,610 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:37:16,611 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 20:37:16,611 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:11 [2019-11-15 20:37:16,619 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 11 treesize of output 5 [2019-11-15 20:37:16,620 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:37:16,626 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:37:16,626 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 20:37:16,627 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2019-11-15 20:37:17,466 WARN L860 $PredicateComparison]: unable to prove that (exists ((|f19_#t~ret38.base| Int) (f19_~a.offset Int)) (and (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_f19_#in~a.base| (store (select |c_old(#memory_$Pointer$.base)| |c_f19_#in~a.base|) f19_~a.offset |f19_#t~ret38.base|))) (<= f19_~a.offset |c_f19_#in~a.offset|))) is different from true [2019-11-15 20:37:17,487 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 20:37:17,488 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 23 treesize of output 22 [2019-11-15 20:37:17,488 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:37:17,495 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:37:17,495 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 20:37:17,495 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:11 [2019-11-15 20:37:17,499 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 21 treesize of output 9 [2019-11-15 20:37:17,499 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:37:17,501 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:37:17,501 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 20:37:17,501 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:21, output treesize:5 [2019-11-15 20:37:17,504 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 20:37:17,505 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 20:37:17,505 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 8] total 19 [2019-11-15 20:37:17,505 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275751681] [2019-11-15 20:37:17,505 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-11-15 20:37:17,506 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:37:17,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-11-15 20:37:17,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=292, Unknown=1, NotChecked=34, Total=380 [2019-11-15 20:37:17,506 INFO L87 Difference]: Start difference. First operand 118 states and 137 transitions. Second operand 20 states. [2019-11-15 20:37:19,442 WARN L191 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 40 [2019-11-15 20:37:24,558 WARN L191 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2019-11-15 20:37:24,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:37:24,591 INFO L93 Difference]: Finished difference Result 117 states and 136 transitions. [2019-11-15 20:37:24,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-11-15 20:37:24,591 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 36 [2019-11-15 20:37:24,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:37:24,592 INFO L225 Difference]: With dead ends: 117 [2019-11-15 20:37:24,592 INFO L226 Difference]: Without dead ends: 117 [2019-11-15 20:37:24,593 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=151, Invalid=838, Unknown=7, NotChecked=60, Total=1056 [2019-11-15 20:37:24,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2019-11-15 20:37:24,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2019-11-15 20:37:24,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-11-15 20:37:24,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 136 transitions. [2019-11-15 20:37:24,598 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 136 transitions. Word has length 36 [2019-11-15 20:37:24,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:37:24,598 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 136 transitions. [2019-11-15 20:37:24,598 INFO L463 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-11-15 20:37:24,599 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 136 transitions. [2019-11-15 20:37:24,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-15 20:37:24,599 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:37:24,599 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:37:24,803 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 20:37:24,804 INFO L410 AbstractCegarLoop]: === Iteration 17 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, probe_unsafe_19Err5REQUIRES_VIOLATION, probe_unsafe_19Err0REQUIRES_VIOLATION, probe_unsafe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err4REQUIRES_VIOLATION, probe_unsafe_19Err3REQUIRES_VIOLATION, probe_unsafe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err2REQUIRES_VIOLATION, probe_unsafe_19Err1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 20:37:24,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:37:24,804 INFO L82 PathProgramCache]: Analyzing trace with hash 1349608490, now seen corresponding path program 1 times [2019-11-15 20:37:24,804 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:37:24,805 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662758315] [2019-11-15 20:37:24,805 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:24,805 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:24,805 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:37:24,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:24,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:24,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:25,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:25,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:25,180 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 20:37:25,180 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662758315] [2019-11-15 20:37:25,180 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1678221327] [2019-11-15 20:37:25,181 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b6d083e-dae8-4834-90c6-d00fe3970552/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 [2019-11-15 20:37:25,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:25,355 INFO L256 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 25 conjunts are in the unsatisfiable core [2019-11-15 20:37:25,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:37:25,368 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 [2019-11-15 20:37:25,368 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:37:25,370 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:37:25,370 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 20:37:25,370 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-15 20:37:25,393 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 13 treesize of output 9 [2019-11-15 20:37:25,393 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:37:25,402 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:37:25,403 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 20:37:25,403 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:11 [2019-11-15 20:37:32,664 WARN L191 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2019-11-15 20:37:32,685 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:37:32,686 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 44 [2019-11-15 20:37:32,686 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 20:37:32,689 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 20:37:32,690 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-15 20:37:32,721 INFO L567 ElimStorePlain]: treesize reduction 16, result has 63.6 percent of original size [2019-11-15 20:37:32,721 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 20:37:32,722 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-15 20:37:32,722 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:28 [2019-11-15 20:37:32,723 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 20:37:32,758 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 20:37:32,786 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 20:37:32,822 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 20:37:32,829 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 20 treesize of output 12 [2019-11-15 20:37:32,830 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:37:32,835 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:37:32,836 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 22 [2019-11-15 20:37:32,836 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 20:37:32,847 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:37:32,847 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2019-11-15 20:37:32,848 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:49, output treesize:15 [2019-11-15 20:37:32,876 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:37:32,877 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 20:37:32,877 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12] total 24 [2019-11-15 20:37:32,877 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849420914] [2019-11-15 20:37:32,877 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2019-11-15 20:37:32,877 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:37:32,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2019-11-15 20:37:32,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=511, Unknown=11, NotChecked=0, Total=600 [2019-11-15 20:37:32,878 INFO L87 Difference]: Start difference. First operand 117 states and 136 transitions. Second operand 25 states. [2019-11-15 20:37:43,472 WARN L191 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2019-11-15 20:37:55,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:37:55,634 INFO L93 Difference]: Finished difference Result 123 states and 144 transitions. [2019-11-15 20:37:55,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-15 20:37:55,635 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 37 [2019-11-15 20:37:55,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:37:55,636 INFO L225 Difference]: With dead ends: 123 [2019-11-15 20:37:55,636 INFO L226 Difference]: Without dead ends: 123 [2019-11-15 20:37:55,637 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 32 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 12.1s TimeCoverageRelationStatistics Valid=203, Invalid=1184, Unknown=19, NotChecked=0, Total=1406 [2019-11-15 20:37:55,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2019-11-15 20:37:55,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 121. [2019-11-15 20:37:55,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2019-11-15 20:37:55,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 140 transitions. [2019-11-15 20:37:55,652 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 140 transitions. Word has length 37 [2019-11-15 20:37:55,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:37:55,652 INFO L462 AbstractCegarLoop]: Abstraction has 121 states and 140 transitions. [2019-11-15 20:37:55,652 INFO L463 AbstractCegarLoop]: Interpolant automaton has 25 states. [2019-11-15 20:37:55,652 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 140 transitions. [2019-11-15 20:37:55,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-15 20:37:55,653 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:37:55,653 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:37:55,856 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 20:37:55,857 INFO L410 AbstractCegarLoop]: === Iteration 18 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, probe_unsafe_19Err5REQUIRES_VIOLATION, probe_unsafe_19Err0REQUIRES_VIOLATION, probe_unsafe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err4REQUIRES_VIOLATION, probe_unsafe_19Err3REQUIRES_VIOLATION, probe_unsafe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err2REQUIRES_VIOLATION, probe_unsafe_19Err1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 20:37:55,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:37:55,857 INFO L82 PathProgramCache]: Analyzing trace with hash -157943319, now seen corresponding path program 1 times [2019-11-15 20:37:55,857 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:37:55,858 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142527264] [2019-11-15 20:37:55,858 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:55,858 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:55,858 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:37:55,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:55,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:55,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:55,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:55,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:55,968 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 20:37:55,968 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142527264] [2019-11-15 20:37:55,968 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:37:55,968 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-15 20:37:55,968 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180665236] [2019-11-15 20:37:55,969 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-15 20:37:55,969 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:37:55,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-15 20:37:55,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-15 20:37:55,969 INFO L87 Difference]: Start difference. First operand 121 states and 140 transitions. Second operand 9 states. [2019-11-15 20:37:56,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:37:56,249 INFO L93 Difference]: Finished difference Result 113 states and 128 transitions. [2019-11-15 20:37:56,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-15 20:37:56,249 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 37 [2019-11-15 20:37:56,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:37:56,250 INFO L225 Difference]: With dead ends: 113 [2019-11-15 20:37:56,250 INFO L226 Difference]: Without dead ends: 113 [2019-11-15 20:37:56,251 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2019-11-15 20:37:56,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-11-15 20:37:56,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2019-11-15 20:37:56,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-11-15 20:37:56,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 128 transitions. [2019-11-15 20:37:56,255 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 128 transitions. Word has length 37 [2019-11-15 20:37:56,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:37:56,255 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 128 transitions. [2019-11-15 20:37:56,255 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-15 20:37:56,256 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 128 transitions. [2019-11-15 20:37:56,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-15 20:37:56,256 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:37:56,256 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:37:56,257 INFO L410 AbstractCegarLoop]: === Iteration 19 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, probe_unsafe_19Err5REQUIRES_VIOLATION, probe_unsafe_19Err0REQUIRES_VIOLATION, probe_unsafe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err4REQUIRES_VIOLATION, probe_unsafe_19Err3REQUIRES_VIOLATION, probe_unsafe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err2REQUIRES_VIOLATION, probe_unsafe_19Err1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 20:37:56,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:37:56,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1396533867, now seen corresponding path program 1 times [2019-11-15 20:37:56,258 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:37:56,258 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192690722] [2019-11-15 20:37:56,258 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:56,258 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:56,258 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:37:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:56,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:56,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:56,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:56,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:56,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:56,411 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-15 20:37:56,411 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192690722] [2019-11-15 20:37:56,411 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:37:56,412 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-15 20:37:56,412 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319742009] [2019-11-15 20:37:56,412 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-15 20:37:56,413 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:37:56,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-15 20:37:56,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-11-15 20:37:56,413 INFO L87 Difference]: Start difference. First operand 113 states and 128 transitions. Second operand 11 states. [2019-11-15 20:37:56,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:37:56,942 INFO L93 Difference]: Finished difference Result 124 states and 139 transitions. [2019-11-15 20:37:56,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-15 20:37:56,943 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 42 [2019-11-15 20:37:56,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:37:56,944 INFO L225 Difference]: With dead ends: 124 [2019-11-15 20:37:56,944 INFO L226 Difference]: Without dead ends: 124 [2019-11-15 20:37:56,945 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2019-11-15 20:37:56,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2019-11-15 20:37:56,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 115. [2019-11-15 20:37:56,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-11-15 20:37:56,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 131 transitions. [2019-11-15 20:37:56,949 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 131 transitions. Word has length 42 [2019-11-15 20:37:56,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:37:56,949 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 131 transitions. [2019-11-15 20:37:56,949 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-15 20:37:56,949 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 131 transitions. [2019-11-15 20:37:56,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-15 20:37:56,953 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:37:56,953 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:37:56,954 INFO L410 AbstractCegarLoop]: === Iteration 20 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, probe_unsafe_19Err5REQUIRES_VIOLATION, probe_unsafe_19Err0REQUIRES_VIOLATION, probe_unsafe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err4REQUIRES_VIOLATION, probe_unsafe_19Err3REQUIRES_VIOLATION, probe_unsafe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err2REQUIRES_VIOLATION, probe_unsafe_19Err1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 20:37:56,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:37:56,955 INFO L82 PathProgramCache]: Analyzing trace with hash 1396533868, now seen corresponding path program 1 times [2019-11-15 20:37:56,955 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:37:56,955 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703707158] [2019-11-15 20:37:56,955 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:56,956 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:56,956 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:37:56,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:56,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:57,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:57,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:57,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:57,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:57,141 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 20:37:57,141 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703707158] [2019-11-15 20:37:57,141 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:37:57,141 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-15 20:37:57,142 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356994297] [2019-11-15 20:37:57,142 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-15 20:37:57,142 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:37:57,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-15 20:37:57,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-15 20:37:57,142 INFO L87 Difference]: Start difference. First operand 115 states and 131 transitions. Second operand 9 states. [2019-11-15 20:37:57,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:37:57,641 INFO L93 Difference]: Finished difference Result 108 states and 121 transitions. [2019-11-15 20:37:57,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-15 20:37:57,642 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 42 [2019-11-15 20:37:57,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:37:57,643 INFO L225 Difference]: With dead ends: 108 [2019-11-15 20:37:57,643 INFO L226 Difference]: Without dead ends: 108 [2019-11-15 20:37:57,643 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2019-11-15 20:37:57,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-11-15 20:37:57,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2019-11-15 20:37:57,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-11-15 20:37:57,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 121 transitions. [2019-11-15 20:37:57,647 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 121 transitions. Word has length 42 [2019-11-15 20:37:57,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:37:57,647 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 121 transitions. [2019-11-15 20:37:57,647 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-15 20:37:57,647 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 121 transitions. [2019-11-15 20:37:57,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-15 20:37:57,648 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:37:57,648 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:37:57,648 INFO L410 AbstractCegarLoop]: === Iteration 21 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, probe_unsafe_19Err5REQUIRES_VIOLATION, probe_unsafe_19Err0REQUIRES_VIOLATION, probe_unsafe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err4REQUIRES_VIOLATION, probe_unsafe_19Err3REQUIRES_VIOLATION, probe_unsafe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err2REQUIRES_VIOLATION, probe_unsafe_19Err1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 20:37:57,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:37:57,649 INFO L82 PathProgramCache]: Analyzing trace with hash 890975243, now seen corresponding path program 1 times [2019-11-15 20:37:57,649 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:37:57,651 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040769725] [2019-11-15 20:37:57,651 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:57,651 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:57,651 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:37:57,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:57,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:57,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:57,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:57,750 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-15 20:37:57,751 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040769725] [2019-11-15 20:37:57,751 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:37:57,751 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 20:37:57,751 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417411261] [2019-11-15 20:37:57,752 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 20:37:57,752 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:37:57,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 20:37:57,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-15 20:37:57,753 INFO L87 Difference]: Start difference. First operand 108 states and 121 transitions. Second operand 8 states. [2019-11-15 20:37:58,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:37:58,046 INFO L93 Difference]: Finished difference Result 98 states and 103 transitions. [2019-11-15 20:37:58,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-15 20:37:58,047 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 42 [2019-11-15 20:37:58,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:37:58,048 INFO L225 Difference]: With dead ends: 98 [2019-11-15 20:37:58,048 INFO L226 Difference]: Without dead ends: 98 [2019-11-15 20:37:58,048 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2019-11-15 20:37:58,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2019-11-15 20:37:58,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 95. [2019-11-15 20:37:58,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-11-15 20:37:58,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 100 transitions. [2019-11-15 20:37:58,050 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 100 transitions. Word has length 42 [2019-11-15 20:37:58,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:37:58,051 INFO L462 AbstractCegarLoop]: Abstraction has 95 states and 100 transitions. [2019-11-15 20:37:58,051 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 20:37:58,051 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 100 transitions. [2019-11-15 20:37:58,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-15 20:37:58,051 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:37:58,051 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:37:58,051 INFO L410 AbstractCegarLoop]: === Iteration 22 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, probe_unsafe_19Err5REQUIRES_VIOLATION, probe_unsafe_19Err0REQUIRES_VIOLATION, probe_unsafe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err4REQUIRES_VIOLATION, probe_unsafe_19Err3REQUIRES_VIOLATION, probe_unsafe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err2REQUIRES_VIOLATION, probe_unsafe_19Err1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 20:37:58,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:37:58,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1805358093, now seen corresponding path program 1 times [2019-11-15 20:37:58,052 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:37:58,052 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576672022] [2019-11-15 20:37:58,052 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:58,052 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:58,052 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:37:58,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:58,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:58,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:58,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:58,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:58,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:58,271 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-15 20:37:58,271 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576672022] [2019-11-15 20:37:58,271 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:37:58,271 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-11-15 20:37:58,271 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96436659] [2019-11-15 20:37:58,271 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-15 20:37:58,272 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:37:58,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-15 20:37:58,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2019-11-15 20:37:58,272 INFO L87 Difference]: Start difference. First operand 95 states and 100 transitions. Second operand 14 states. [2019-11-15 20:37:58,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:37:58,843 INFO L93 Difference]: Finished difference Result 103 states and 106 transitions. [2019-11-15 20:37:58,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-15 20:37:58,845 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 42 [2019-11-15 20:37:58,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:37:58,846 INFO L225 Difference]: With dead ends: 103 [2019-11-15 20:37:58,846 INFO L226 Difference]: Without dead ends: 103 [2019-11-15 20:37:58,846 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=108, Invalid=492, Unknown=0, NotChecked=0, Total=600 [2019-11-15 20:37:58,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-11-15 20:37:58,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 100. [2019-11-15 20:37:58,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-11-15 20:37:58,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 106 transitions. [2019-11-15 20:37:58,849 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 106 transitions. Word has length 42 [2019-11-15 20:37:58,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:37:58,850 INFO L462 AbstractCegarLoop]: Abstraction has 100 states and 106 transitions. [2019-11-15 20:37:58,850 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-15 20:37:58,850 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 106 transitions. [2019-11-15 20:37:58,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-15 20:37:58,850 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:37:58,851 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:37:58,852 INFO L410 AbstractCegarLoop]: === Iteration 23 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, probe_unsafe_19Err5REQUIRES_VIOLATION, probe_unsafe_19Err0REQUIRES_VIOLATION, probe_unsafe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err4REQUIRES_VIOLATION, probe_unsafe_19Err3REQUIRES_VIOLATION, probe_unsafe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err2REQUIRES_VIOLATION, probe_unsafe_19Err1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 20:37:58,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:37:58,852 INFO L82 PathProgramCache]: Analyzing trace with hash 131525993, now seen corresponding path program 1 times [2019-11-15 20:37:58,852 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:37:58,853 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059853152] [2019-11-15 20:37:58,853 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:58,853 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:58,853 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:37:58,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:58,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:58,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:58,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:59,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:59,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:59,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 20:37:59,052 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059853152] [2019-11-15 20:37:59,052 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:37:59,053 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-11-15 20:37:59,053 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624681724] [2019-11-15 20:37:59,053 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-15 20:37:59,053 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:37:59,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-15 20:37:59,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2019-11-15 20:37:59,054 INFO L87 Difference]: Start difference. First operand 100 states and 106 transitions. Second operand 14 states. [2019-11-15 20:37:59,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:37:59,661 INFO L93 Difference]: Finished difference Result 102 states and 105 transitions. [2019-11-15 20:37:59,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-15 20:37:59,661 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 43 [2019-11-15 20:37:59,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:37:59,662 INFO L225 Difference]: With dead ends: 102 [2019-11-15 20:37:59,662 INFO L226 Difference]: Without dead ends: 102 [2019-11-15 20:37:59,663 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=122, Invalid=528, Unknown=0, NotChecked=0, Total=650 [2019-11-15 20:37:59,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2019-11-15 20:37:59,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 100. [2019-11-15 20:37:59,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-11-15 20:37:59,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 105 transitions. [2019-11-15 20:37:59,666 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 105 transitions. Word has length 43 [2019-11-15 20:37:59,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:37:59,666 INFO L462 AbstractCegarLoop]: Abstraction has 100 states and 105 transitions. [2019-11-15 20:37:59,666 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-15 20:37:59,666 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 105 transitions. [2019-11-15 20:37:59,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-15 20:37:59,667 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:37:59,667 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:37:59,668 INFO L410 AbstractCegarLoop]: === Iteration 24 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, probe_unsafe_19Err5REQUIRES_VIOLATION, probe_unsafe_19Err0REQUIRES_VIOLATION, probe_unsafe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err4REQUIRES_VIOLATION, probe_unsafe_19Err3REQUIRES_VIOLATION, probe_unsafe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err2REQUIRES_VIOLATION, probe_unsafe_19Err1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 20:37:59,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:37:59,668 INFO L82 PathProgramCache]: Analyzing trace with hash -217661460, now seen corresponding path program 1 times [2019-11-15 20:37:59,668 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:37:59,668 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294628254] [2019-11-15 20:37:59,668 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:59,668 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:59,668 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:37:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:59,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:59,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:59,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:59,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:59,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:59,890 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 20:37:59,891 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294628254] [2019-11-15 20:37:59,891 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:37:59,891 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-11-15 20:37:59,891 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120741766] [2019-11-15 20:37:59,891 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-15 20:37:59,891 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:37:59,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-15 20:37:59,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2019-11-15 20:37:59,892 INFO L87 Difference]: Start difference. First operand 100 states and 105 transitions. Second operand 14 states. [2019-11-15 20:38:00,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:38:00,542 INFO L93 Difference]: Finished difference Result 104 states and 107 transitions. [2019-11-15 20:38:00,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-15 20:38:00,543 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 44 [2019-11-15 20:38:00,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:38:00,543 INFO L225 Difference]: With dead ends: 104 [2019-11-15 20:38:00,544 INFO L226 Difference]: Without dead ends: 104 [2019-11-15 20:38:00,544 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=95, Invalid=411, Unknown=0, NotChecked=0, Total=506 [2019-11-15 20:38:00,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-11-15 20:38:00,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 100. [2019-11-15 20:38:00,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-11-15 20:38:00,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 104 transitions. [2019-11-15 20:38:00,547 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 104 transitions. Word has length 44 [2019-11-15 20:38:00,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:38:00,548 INFO L462 AbstractCegarLoop]: Abstraction has 100 states and 104 transitions. [2019-11-15 20:38:00,548 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-15 20:38:00,548 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 104 transitions. [2019-11-15 20:38:00,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-15 20:38:00,548 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:38:00,549 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:38:00,549 INFO L410 AbstractCegarLoop]: === Iteration 25 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, probe_unsafe_19Err5REQUIRES_VIOLATION, probe_unsafe_19Err0REQUIRES_VIOLATION, probe_unsafe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err4REQUIRES_VIOLATION, probe_unsafe_19Err3REQUIRES_VIOLATION, probe_unsafe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err2REQUIRES_VIOLATION, probe_unsafe_19Err1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 20:38:00,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:38:00,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1842429387, now seen corresponding path program 1 times [2019-11-15 20:38:00,549 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:38:00,549 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697449558] [2019-11-15 20:38:00,550 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:38:00,550 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:38:00,550 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:38:00,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:00,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:00,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:00,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:00,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:00,768 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 20:38:00,768 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697449558] [2019-11-15 20:38:00,768 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:38:00,768 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-11-15 20:38:00,768 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040255686] [2019-11-15 20:38:00,769 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-15 20:38:00,769 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:38:00,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-15 20:38:00,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2019-11-15 20:38:00,769 INFO L87 Difference]: Start difference. First operand 100 states and 104 transitions. Second operand 14 states. [2019-11-15 20:38:01,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:38:01,387 INFO L93 Difference]: Finished difference Result 102 states and 105 transitions. [2019-11-15 20:38:01,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-15 20:38:01,387 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 45 [2019-11-15 20:38:01,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:38:01,388 INFO L225 Difference]: With dead ends: 102 [2019-11-15 20:38:01,388 INFO L226 Difference]: Without dead ends: 102 [2019-11-15 20:38:01,388 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=339, Unknown=0, NotChecked=0, Total=420 [2019-11-15 20:38:01,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2019-11-15 20:38:01,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 100. [2019-11-15 20:38:01,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-11-15 20:38:01,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 103 transitions. [2019-11-15 20:38:01,391 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 103 transitions. Word has length 45 [2019-11-15 20:38:01,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:38:01,391 INFO L462 AbstractCegarLoop]: Abstraction has 100 states and 103 transitions. [2019-11-15 20:38:01,391 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-15 20:38:01,391 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 103 transitions. [2019-11-15 20:38:01,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-15 20:38:01,392 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:38:01,392 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:38:01,392 INFO L410 AbstractCegarLoop]: === Iteration 26 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, probe_unsafe_19Err5REQUIRES_VIOLATION, probe_unsafe_19Err0REQUIRES_VIOLATION, probe_unsafe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err4REQUIRES_VIOLATION, probe_unsafe_19Err3REQUIRES_VIOLATION, probe_unsafe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err2REQUIRES_VIOLATION, probe_unsafe_19Err1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 20:38:01,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:38:01,392 INFO L82 PathProgramCache]: Analyzing trace with hash 2030307820, now seen corresponding path program 1 times [2019-11-15 20:38:01,392 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:38:01,393 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011673801] [2019-11-15 20:38:01,393 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:38:01,393 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:38:01,393 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:38:01,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:01,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:01,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:01,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:01,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:01,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:01,540 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-15 20:38:01,540 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011673801] [2019-11-15 20:38:01,540 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:38:01,540 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-15 20:38:01,540 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506939633] [2019-11-15 20:38:01,541 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-15 20:38:01,541 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:38:01,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-15 20:38:01,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-11-15 20:38:01,542 INFO L87 Difference]: Start difference. First operand 100 states and 103 transitions. Second operand 11 states. [2019-11-15 20:38:01,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:38:01,910 INFO L93 Difference]: Finished difference Result 108 states and 111 transitions. [2019-11-15 20:38:01,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-15 20:38:01,910 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 45 [2019-11-15 20:38:01,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:38:01,911 INFO L225 Difference]: With dead ends: 108 [2019-11-15 20:38:01,911 INFO L226 Difference]: Without dead ends: 108 [2019-11-15 20:38:01,911 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2019-11-15 20:38:01,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-11-15 20:38:01,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 105. [2019-11-15 20:38:01,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-11-15 20:38:01,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 108 transitions. [2019-11-15 20:38:01,914 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 108 transitions. Word has length 45 [2019-11-15 20:38:01,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:38:01,914 INFO L462 AbstractCegarLoop]: Abstraction has 105 states and 108 transitions. [2019-11-15 20:38:01,914 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-15 20:38:01,914 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 108 transitions. [2019-11-15 20:38:01,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-15 20:38:01,915 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:38:01,915 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:38:01,915 INFO L410 AbstractCegarLoop]: === Iteration 27 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, probe_unsafe_19Err5REQUIRES_VIOLATION, probe_unsafe_19Err0REQUIRES_VIOLATION, probe_unsafe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err4REQUIRES_VIOLATION, probe_unsafe_19Err3REQUIRES_VIOLATION, probe_unsafe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err2REQUIRES_VIOLATION, probe_unsafe_19Err1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 20:38:01,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:38:01,916 INFO L82 PathProgramCache]: Analyzing trace with hash -918732404, now seen corresponding path program 1 times [2019-11-15 20:38:01,916 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:38:01,916 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728564880] [2019-11-15 20:38:01,916 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:38:01,916 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:38:01,916 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:38:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:01,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:02,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:02,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:02,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:02,124 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-15 20:38:02,124 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728564880] [2019-11-15 20:38:02,124 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:38:02,124 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-11-15 20:38:02,124 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863923969] [2019-11-15 20:38:02,125 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-15 20:38:02,125 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:38:02,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-15 20:38:02,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-11-15 20:38:02,126 INFO L87 Difference]: Start difference. First operand 105 states and 108 transitions. Second operand 13 states. [2019-11-15 20:38:02,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:38:02,774 INFO L93 Difference]: Finished difference Result 120 states and 125 transitions. [2019-11-15 20:38:02,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-15 20:38:02,774 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 46 [2019-11-15 20:38:02,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:38:02,775 INFO L225 Difference]: With dead ends: 120 [2019-11-15 20:38:02,775 INFO L226 Difference]: Without dead ends: 120 [2019-11-15 20:38:02,775 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2019-11-15 20:38:02,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-11-15 20:38:02,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 112. [2019-11-15 20:38:02,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2019-11-15 20:38:02,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 118 transitions. [2019-11-15 20:38:02,778 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 118 transitions. Word has length 46 [2019-11-15 20:38:02,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:38:02,778 INFO L462 AbstractCegarLoop]: Abstraction has 112 states and 118 transitions. [2019-11-15 20:38:02,779 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-15 20:38:02,779 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 118 transitions. [2019-11-15 20:38:02,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-15 20:38:02,779 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:38:02,779 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:38:02,780 INFO L410 AbstractCegarLoop]: === Iteration 28 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, probe_unsafe_19Err5REQUIRES_VIOLATION, probe_unsafe_19Err0REQUIRES_VIOLATION, probe_unsafe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err4REQUIRES_VIOLATION, probe_unsafe_19Err3REQUIRES_VIOLATION, probe_unsafe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err2REQUIRES_VIOLATION, probe_unsafe_19Err1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 20:38:02,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:38:02,780 INFO L82 PathProgramCache]: Analyzing trace with hash -918732403, now seen corresponding path program 1 times [2019-11-15 20:38:02,780 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:38:02,780 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329127288] [2019-11-15 20:38:02,780 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:38:02,781 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:38:02,781 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:38:02,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:02,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:02,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:02,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:02,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:03,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:03,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:03,166 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 20:38:03,167 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329127288] [2019-11-15 20:38:03,167 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:38:03,167 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2019-11-15 20:38:03,167 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657766878] [2019-11-15 20:38:03,167 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-15 20:38:03,168 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:38:03,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-15 20:38:03,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2019-11-15 20:38:03,168 INFO L87 Difference]: Start difference. First operand 112 states and 118 transitions. Second operand 17 states. [2019-11-15 20:38:04,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:38:04,221 INFO L93 Difference]: Finished difference Result 111 states and 116 transitions. [2019-11-15 20:38:04,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-11-15 20:38:04,221 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 46 [2019-11-15 20:38:04,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:38:04,222 INFO L225 Difference]: With dead ends: 111 [2019-11-15 20:38:04,222 INFO L226 Difference]: Without dead ends: 111 [2019-11-15 20:38:04,223 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=158, Invalid=834, Unknown=0, NotChecked=0, Total=992 [2019-11-15 20:38:04,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-11-15 20:38:04,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-11-15 20:38:04,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-11-15 20:38:04,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 116 transitions. [2019-11-15 20:38:04,226 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 116 transitions. Word has length 46 [2019-11-15 20:38:04,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:38:04,226 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 116 transitions. [2019-11-15 20:38:04,226 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-15 20:38:04,227 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 116 transitions. [2019-11-15 20:38:04,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-15 20:38:04,227 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:38:04,227 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:38:04,228 INFO L410 AbstractCegarLoop]: === Iteration 29 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, probe_unsafe_19Err5REQUIRES_VIOLATION, probe_unsafe_19Err0REQUIRES_VIOLATION, probe_unsafe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err4REQUIRES_VIOLATION, probe_unsafe_19Err3REQUIRES_VIOLATION, probe_unsafe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err2REQUIRES_VIOLATION, probe_unsafe_19Err1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 20:38:04,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:38:04,228 INFO L82 PathProgramCache]: Analyzing trace with hash 1584066584, now seen corresponding path program 1 times [2019-11-15 20:38:04,228 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:38:04,228 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352671674] [2019-11-15 20:38:04,228 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:38:04,228 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:38:04,228 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:38:04,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:04,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:04,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:04,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:04,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:04,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:04,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:04,777 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 20:38:04,778 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352671674] [2019-11-15 20:38:04,778 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [715928809] [2019-11-15 20:38:04,778 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b6d083e-dae8-4834-90c6-d00fe3970552/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 [2019-11-15 20:38:04,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:04,978 INFO L256 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 39 conjunts are in the unsatisfiable core [2019-11-15 20:38:04,988 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:38:05,064 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 13 treesize of output 9 [2019-11-15 20:38:05,065 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:38:05,070 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:38:05,070 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 20:38:05,070 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:13 [2019-11-15 20:38:05,898 WARN L860 $PredicateComparison]: unable to prove that (exists ((f19_~a.offset Int)) (= (store |c_old(#memory_$Pointer$.offset)| |c_f19_#in~a.base| (store (select |c_old(#memory_$Pointer$.offset)| |c_f19_#in~a.base|) f19_~a.offset 0)) |c_#memory_$Pointer$.offset|)) is different from true [2019-11-15 20:38:05,930 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:38:05,931 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 42 [2019-11-15 20:38:05,931 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:38:05,946 INFO L567 ElimStorePlain]: treesize reduction 22, result has 43.6 percent of original size [2019-11-15 20:38:05,947 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. [2019-11-15 20:38:05,947 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:21, output treesize:17 [2019-11-15 20:38:06,127 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 19 treesize of output 7 [2019-11-15 20:38:06,127 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:38:06,129 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:38:06,129 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 20:38:06,129 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2019-11-15 20:38:06,135 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-15 20:38:06,135 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 20:38:06,135 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [17] total 29 [2019-11-15 20:38:06,135 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119123885] [2019-11-15 20:38:06,136 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-15 20:38:06,136 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:38:06,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-15 20:38:06,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=721, Unknown=1, NotChecked=54, Total=870 [2019-11-15 20:38:06,136 INFO L87 Difference]: Start difference. First operand 111 states and 116 transitions. Second operand 16 states. [2019-11-15 20:38:21,578 WARN L191 SmtUtils]: Spent 2.73 s on a formula simplification that was a NOOP. DAG size: 19 [2019-11-15 20:38:24,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:38:24,269 INFO L93 Difference]: Finished difference Result 111 states and 116 transitions. [2019-11-15 20:38:24,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-15 20:38:24,270 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 47 [2019-11-15 20:38:24,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:38:24,271 INFO L225 Difference]: With dead ends: 111 [2019-11-15 20:38:24,271 INFO L226 Difference]: Without dead ends: 111 [2019-11-15 20:38:24,272 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 339 ImplicationChecksByTransitivity, 19.2s TimeCoverageRelationStatistics Valid=201, Invalid=1503, Unknown=22, NotChecked=80, Total=1806 [2019-11-15 20:38:24,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-11-15 20:38:24,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 110. [2019-11-15 20:38:24,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-11-15 20:38:24,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 115 transitions. [2019-11-15 20:38:24,280 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 115 transitions. Word has length 47 [2019-11-15 20:38:24,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:38:24,280 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 115 transitions. [2019-11-15 20:38:24,281 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-11-15 20:38:24,281 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 115 transitions. [2019-11-15 20:38:24,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-15 20:38:24,281 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:38:24,281 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:38:24,482 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 20:38:24,482 INFO L410 AbstractCegarLoop]: === Iteration 30 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, probe_unsafe_19Err5REQUIRES_VIOLATION, probe_unsafe_19Err0REQUIRES_VIOLATION, probe_unsafe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err4REQUIRES_VIOLATION, probe_unsafe_19Err3REQUIRES_VIOLATION, probe_unsafe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err2REQUIRES_VIOLATION, probe_unsafe_19Err1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 20:38:24,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:38:24,483 INFO L82 PathProgramCache]: Analyzing trace with hash -1484337816, now seen corresponding path program 1 times [2019-11-15 20:38:24,483 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:38:24,483 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602543289] [2019-11-15 20:38:24,483 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:38:24,483 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:38:24,484 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:38:24,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:24,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:24,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:24,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:24,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:24,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:24,919 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 20:38:24,919 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602543289] [2019-11-15 20:38:24,919 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690521961] [2019-11-15 20:38:24,920 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b6d083e-dae8-4834-90c6-d00fe3970552/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 [2019-11-15 20:38:25,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:25,121 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 42 conjunts are in the unsatisfiable core [2019-11-15 20:38:25,123 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:38:25,160 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 5 treesize of output 3 [2019-11-15 20:38:25,160 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:38:25,164 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:38:25,165 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 20:38:25,165 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:3 [2019-11-15 20:38:25,221 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 13 treesize of output 9 [2019-11-15 20:38:25,221 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:38:25,230 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:38:25,231 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 20:38:25,231 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:33, output treesize:38 [2019-11-15 20:38:25,260 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 11 treesize of output 3 [2019-11-15 20:38:25,260 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:38:25,266 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:38:25,268 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 11 treesize of output 5 [2019-11-15 20:38:25,269 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 20:38:25,280 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:38:25,280 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 20:38:25,280 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2019-11-15 20:38:32,759 WARN L191 SmtUtils]: Spent 878.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2019-11-15 20:38:32,771 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 20:38:32,773 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 46 treesize of output 33 [2019-11-15 20:38:32,773 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:38:32,785 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:38:32,785 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 20:38:32,786 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:52, output treesize:38 [2019-11-15 20:38:32,790 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 20 [2019-11-15 20:38:32,790 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:38:32,796 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:38:32,796 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 20:38:32,796 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:44, output treesize:17 [2019-11-15 20:38:33,000 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 20:38:33,001 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 20:38:33,001 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 26 [2019-11-15 20:38:33,001 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996216757] [2019-11-15 20:38:33,002 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-11-15 20:38:33,002 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:38:33,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-11-15 20:38:33,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=604, Unknown=10, NotChecked=0, Total=702 [2019-11-15 20:38:33,003 INFO L87 Difference]: Start difference. First operand 110 states and 115 transitions. Second operand 27 states. [2019-11-15 20:38:41,780 WARN L191 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2019-11-15 20:38:47,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:38:47,711 INFO L93 Difference]: Finished difference Result 114 states and 118 transitions. [2019-11-15 20:38:47,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-15 20:38:47,712 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 46 [2019-11-15 20:38:47,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:38:47,712 INFO L225 Difference]: With dead ends: 114 [2019-11-15 20:38:47,712 INFO L226 Difference]: Without dead ends: 91 [2019-11-15 20:38:47,713 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 45 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 9.9s TimeCoverageRelationStatistics Valid=130, Invalid=914, Unknown=12, NotChecked=0, Total=1056 [2019-11-15 20:38:47,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2019-11-15 20:38:47,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2019-11-15 20:38:47,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2019-11-15 20:38:47,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 95 transitions. [2019-11-15 20:38:47,716 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 95 transitions. Word has length 46 [2019-11-15 20:38:47,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:38:47,716 INFO L462 AbstractCegarLoop]: Abstraction has 91 states and 95 transitions. [2019-11-15 20:38:47,716 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-11-15 20:38:47,716 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 95 transitions. [2019-11-15 20:38:47,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-15 20:38:47,717 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:38:47,717 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:38:47,920 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 20:38:47,921 INFO L410 AbstractCegarLoop]: === Iteration 31 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, probe_unsafe_19Err5REQUIRES_VIOLATION, probe_unsafe_19Err0REQUIRES_VIOLATION, probe_unsafe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err4REQUIRES_VIOLATION, probe_unsafe_19Err3REQUIRES_VIOLATION, probe_unsafe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err2REQUIRES_VIOLATION, probe_unsafe_19Err1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 20:38:47,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:38:47,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1868105337, now seen corresponding path program 1 times [2019-11-15 20:38:47,922 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:38:47,922 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549693245] [2019-11-15 20:38:47,922 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:38:47,922 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:38:47,922 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:38:47,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:47,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:47,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:48,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:48,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:48,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:48,185 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 20:38:48,185 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549693245] [2019-11-15 20:38:48,185 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:38:48,185 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2019-11-15 20:38:48,186 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682526608] [2019-11-15 20:38:48,186 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-15 20:38:48,186 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:38:48,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-15 20:38:48,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2019-11-15 20:38:48,187 INFO L87 Difference]: Start difference. First operand 91 states and 95 transitions. Second operand 16 states. [2019-11-15 20:38:48,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:38:48,696 INFO L93 Difference]: Finished difference Result 90 states and 94 transitions. [2019-11-15 20:38:48,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-15 20:38:48,697 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 48 [2019-11-15 20:38:48,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:38:48,697 INFO L225 Difference]: With dead ends: 90 [2019-11-15 20:38:48,697 INFO L226 Difference]: Without dead ends: 90 [2019-11-15 20:38:48,698 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=422, Unknown=0, NotChecked=0, Total=506 [2019-11-15 20:38:48,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-11-15 20:38:48,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2019-11-15 20:38:48,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-11-15 20:38:48,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 94 transitions. [2019-11-15 20:38:48,700 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 94 transitions. Word has length 48 [2019-11-15 20:38:48,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:38:48,700 INFO L462 AbstractCegarLoop]: Abstraction has 90 states and 94 transitions. [2019-11-15 20:38:48,701 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-11-15 20:38:48,701 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 94 transitions. [2019-11-15 20:38:48,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-15 20:38:48,701 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:38:48,701 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:38:48,702 INFO L410 AbstractCegarLoop]: === Iteration 32 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, probe_unsafe_19Err5REQUIRES_VIOLATION, probe_unsafe_19Err0REQUIRES_VIOLATION, probe_unsafe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err4REQUIRES_VIOLATION, probe_unsafe_19Err3REQUIRES_VIOLATION, probe_unsafe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err2REQUIRES_VIOLATION, probe_unsafe_19Err1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 20:38:48,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:38:48,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1861423948, now seen corresponding path program 1 times [2019-11-15 20:38:48,702 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:38:48,702 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714655732] [2019-11-15 20:38:48,702 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:38:48,703 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:38:48,703 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:38:48,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:48,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:48,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:48,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:49,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:49,118 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 20:38:49,118 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714655732] [2019-11-15 20:38:49,118 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080082466] [2019-11-15 20:38:49,118 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b6d083e-dae8-4834-90c6-d00fe3970552/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 [2019-11-15 20:38:49,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:49,282 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 31 conjunts are in the unsatisfiable core [2019-11-15 20:38:49,283 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:38:49,294 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 13 treesize of output 9 [2019-11-15 20:38:49,294 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:38:49,301 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:38:49,301 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 20:38:49,301 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2019-11-15 20:38:49,308 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 11 treesize of output 5 [2019-11-15 20:38:49,308 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:38:49,309 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:38:49,309 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 20:38:49,310 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2019-11-15 20:38:50,125 WARN L860 $PredicateComparison]: unable to prove that (exists ((|f19_#t~ret38.base| Int) (f19_~a.offset Int)) (and (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_f19_#in~a.base| (store (select |c_old(#memory_$Pointer$.base)| |c_f19_#in~a.base|) f19_~a.offset |f19_#t~ret38.base|))) (<= f19_~a.offset |c_f19_#in~a.offset|))) is different from true [2019-11-15 20:38:50,142 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 20:38:50,143 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 23 treesize of output 22 [2019-11-15 20:38:50,143 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:38:50,158 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:38:50,159 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 20:38:50,159 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:11 [2019-11-15 20:38:50,247 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 21 treesize of output 9 [2019-11-15 20:38:50,247 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:38:50,249 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:38:50,249 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 20:38:50,249 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:21, output treesize:5 [2019-11-15 20:38:50,256 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 20:38:50,256 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 20:38:50,256 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 14] total 21 [2019-11-15 20:38:50,256 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992427620] [2019-11-15 20:38:50,257 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-11-15 20:38:50,257 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:38:50,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-11-15 20:38:50,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=362, Unknown=1, NotChecked=38, Total=462 [2019-11-15 20:38:50,257 INFO L87 Difference]: Start difference. First operand 90 states and 94 transitions. Second operand 22 states. [2019-11-15 20:38:54,276 WARN L191 SmtUtils]: Spent 935.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2019-11-15 20:38:54,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:38:54,849 INFO L93 Difference]: Finished difference Result 93 states and 96 transitions. [2019-11-15 20:38:54,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-11-15 20:38:54,850 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 48 [2019-11-15 20:38:54,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:38:54,850 INFO L225 Difference]: With dead ends: 93 [2019-11-15 20:38:54,850 INFO L226 Difference]: Without dead ends: 93 [2019-11-15 20:38:54,851 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=208, Invalid=1197, Unknown=5, NotChecked=72, Total=1482 [2019-11-15 20:38:54,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2019-11-15 20:38:54,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2019-11-15 20:38:54,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2019-11-15 20:38:54,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 96 transitions. [2019-11-15 20:38:54,854 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 96 transitions. Word has length 48 [2019-11-15 20:38:54,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:38:54,854 INFO L462 AbstractCegarLoop]: Abstraction has 93 states and 96 transitions. [2019-11-15 20:38:54,854 INFO L463 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-11-15 20:38:54,854 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 96 transitions. [2019-11-15 20:38:54,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-15 20:38:54,854 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:38:54,854 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:38:55,054 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 20:38:55,055 INFO L410 AbstractCegarLoop]: === Iteration 33 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, probe_unsafe_19Err5REQUIRES_VIOLATION, probe_unsafe_19Err0REQUIRES_VIOLATION, probe_unsafe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err4REQUIRES_VIOLATION, probe_unsafe_19Err3REQUIRES_VIOLATION, probe_unsafe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err2REQUIRES_VIOLATION, probe_unsafe_19Err1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 20:38:55,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:38:55,055 INFO L82 PathProgramCache]: Analyzing trace with hash 1584695752, now seen corresponding path program 1 times [2019-11-15 20:38:55,055 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:38:55,055 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122385426] [2019-11-15 20:38:55,056 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:38:55,056 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:38:55,056 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:38:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:55,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:55,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:55,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:55,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:55,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:55,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:55,158 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-15 20:38:55,159 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122385426] [2019-11-15 20:38:55,159 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:38:55,159 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 20:38:55,159 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534158195] [2019-11-15 20:38:55,160 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 20:38:55,160 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:38:55,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 20:38:55,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-15 20:38:55,160 INFO L87 Difference]: Start difference. First operand 93 states and 96 transitions. Second operand 8 states. [2019-11-15 20:38:55,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:38:55,427 INFO L93 Difference]: Finished difference Result 96 states and 98 transitions. [2019-11-15 20:38:55,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 20:38:55,428 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 47 [2019-11-15 20:38:55,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:38:55,429 INFO L225 Difference]: With dead ends: 96 [2019-11-15 20:38:55,429 INFO L226 Difference]: Without dead ends: 96 [2019-11-15 20:38:55,429 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-11-15 20:38:55,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2019-11-15 20:38:55,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 93. [2019-11-15 20:38:55,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2019-11-15 20:38:55,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 95 transitions. [2019-11-15 20:38:55,432 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 95 transitions. Word has length 47 [2019-11-15 20:38:55,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:38:55,432 INFO L462 AbstractCegarLoop]: Abstraction has 93 states and 95 transitions. [2019-11-15 20:38:55,432 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 20:38:55,432 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 95 transitions. [2019-11-15 20:38:55,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-15 20:38:55,433 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:38:55,433 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:38:55,433 INFO L410 AbstractCegarLoop]: === Iteration 34 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, probe_unsafe_19Err5REQUIRES_VIOLATION, probe_unsafe_19Err0REQUIRES_VIOLATION, probe_unsafe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err4REQUIRES_VIOLATION, probe_unsafe_19Err3REQUIRES_VIOLATION, probe_unsafe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err2REQUIRES_VIOLATION, probe_unsafe_19Err1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 20:38:55,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:38:55,433 INFO L82 PathProgramCache]: Analyzing trace with hash -2076690456, now seen corresponding path program 1 times [2019-11-15 20:38:55,433 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:38:55,434 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475121631] [2019-11-15 20:38:55,434 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:38:55,434 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:38:55,434 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:38:55,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:55,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:55,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:55,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:55,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:55,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:55,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:55,683 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 20:38:55,686 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475121631] [2019-11-15 20:38:55,686 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841996891] [2019-11-15 20:38:55,686 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b6d083e-dae8-4834-90c6-d00fe3970552/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 [2019-11-15 20:38:55,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:38:55,860 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 23 conjunts are in the unsatisfiable core [2019-11-15 20:38:55,862 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:38:55,878 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 13 treesize of output 9 [2019-11-15 20:38:55,878 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:38:55,882 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:38:55,882 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 20:38:55,882 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2019-11-15 20:38:56,664 WARN L860 $PredicateComparison]: unable to prove that (exists ((f19_~a.offset Int)) (= (store |c_old(#memory_$Pointer$.offset)| |c_f19_#in~a.base| (store (select |c_old(#memory_$Pointer$.offset)| |c_f19_#in~a.base|) f19_~a.offset 0)) |c_#memory_$Pointer$.offset|)) is different from true [2019-11-15 20:38:56,683 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:38:56,684 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 42 [2019-11-15 20:38:56,684 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:38:56,697 INFO L567 ElimStorePlain]: treesize reduction 22, result has 43.6 percent of original size [2019-11-15 20:38:56,697 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. [2019-11-15 20:38:56,697 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:21, output treesize:17 [2019-11-15 20:38:56,790 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2019-11-15 20:38:56,790 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:38:56,792 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:38:56,792 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 20:38:56,792 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2019-11-15 20:38:56,798 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-15 20:38:56,798 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 20:38:56,798 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [16] total 22 [2019-11-15 20:38:56,798 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130555475] [2019-11-15 20:38:56,799 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-15 20:38:56,799 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:38:56,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-15 20:38:56,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=398, Unknown=1, NotChecked=40, Total=506 [2019-11-15 20:38:56,799 INFO L87 Difference]: Start difference. First operand 93 states and 95 transitions. Second operand 11 states. [2019-11-15 20:39:05,547 WARN L191 SmtUtils]: Spent 2.69 s on a formula simplification that was a NOOP. DAG size: 19 [2019-11-15 20:39:06,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:39:06,656 INFO L93 Difference]: Finished difference Result 92 states and 94 transitions. [2019-11-15 20:39:06,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-15 20:39:06,657 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 49 [2019-11-15 20:39:06,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:39:06,657 INFO L225 Difference]: With dead ends: 92 [2019-11-15 20:39:06,657 INFO L226 Difference]: Without dead ends: 92 [2019-11-15 20:39:06,658 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 47 SyntacticMatches, 4 SemanticMatches, 29 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 10.7s TimeCoverageRelationStatistics Valid=115, Invalid=748, Unknown=11, NotChecked=56, Total=930 [2019-11-15 20:39:06,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2019-11-15 20:39:06,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2019-11-15 20:39:06,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-11-15 20:39:06,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 94 transitions. [2019-11-15 20:39:06,660 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 94 transitions. Word has length 49 [2019-11-15 20:39:06,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:39:06,660 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 94 transitions. [2019-11-15 20:39:06,661 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-15 20:39:06,661 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 94 transitions. [2019-11-15 20:39:06,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-15 20:39:06,661 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:39:06,661 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:39:06,861 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 20:39:06,862 INFO L410 AbstractCegarLoop]: === Iteration 35 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, probe_unsafe_19Err5REQUIRES_VIOLATION, probe_unsafe_19Err0REQUIRES_VIOLATION, probe_unsafe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err4REQUIRES_VIOLATION, probe_unsafe_19Err3REQUIRES_VIOLATION, probe_unsafe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err2REQUIRES_VIOLATION, probe_unsafe_19Err1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr0REQUIRES_VIOLATION, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 20:39:06,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:39:06,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1869567642, now seen corresponding path program 1 times [2019-11-15 20:39:06,862 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:39:06,862 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196683542] [2019-11-15 20:39:06,862 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:39:06,863 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:39:06,863 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:39:06,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:39:06,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:39:06,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:39:07,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:39:07,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:39:07,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:39:07,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:39:07,376 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 20:39:07,376 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196683542] [2019-11-15 20:39:07,376 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1348429480] [2019-11-15 20:39:07,376 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b6d083e-dae8-4834-90c6-d00fe3970552/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 [2019-11-15 20:39:07,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:39:07,540 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 43 conjunts are in the unsatisfiable core [2019-11-15 20:39:07,541 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:39:07,547 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 [2019-11-15 20:39:07,547 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:39:07,548 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:39:07,548 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 20:39:07,549 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-15 20:39:07,553 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 13 treesize of output 9 [2019-11-15 20:39:07,553 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 20:39:07,560 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:39:07,560 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 20:39:07,560 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2019-11-15 20:39:10,856 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 25 [2019-11-15 20:39:10,881 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 20:39:11,081 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 20:39:11,082 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: |v_old(#valid)_AFTER_CALL_43| input size 32 context size 32 output size 32 at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:349) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:361) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:184) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-15 20:39:11,085 INFO L168 Benchmark]: Toolchain (without parser) took 129526.72 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 393.2 MB). Free memory was 939.3 MB in the beginning and 1.2 GB in the end (delta: -228.5 MB). Peak memory consumption was 164.8 MB. Max. memory is 11.5 GB. [2019-11-15 20:39:11,085 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:39:11,085 INFO L168 Benchmark]: CACSL2BoogieTranslator took 753.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -179.6 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-11-15 20:39:11,086 INFO L168 Benchmark]: Boogie Preprocessor took 104.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-15 20:39:11,086 INFO L168 Benchmark]: RCFGBuilder took 1142.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 998.9 MB in the end (delta: 114.7 MB). Peak memory consumption was 114.7 MB. Max. memory is 11.5 GB. [2019-11-15 20:39:11,086 INFO L168 Benchmark]: TraceAbstraction took 127522.35 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 240.6 MB). Free memory was 993.6 MB in the beginning and 1.2 GB in the end (delta: -174.3 MB). Peak memory consumption was 66.4 MB. Max. memory is 11.5 GB. [2019-11-15 20:39:11,088 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 753.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -179.6 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 104.43 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 1142.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 998.9 MB in the end (delta: 114.7 MB). Peak memory consumption was 114.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 127522.35 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 240.6 MB). Free memory was 993.6 MB in the beginning and 1.2 GB in the end (delta: -174.3 MB). Peak memory consumption was 66.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: |v_old(#valid)_AFTER_CALL_43| input size 32 context size 32 output size 32 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: |v_old(#valid)_AFTER_CALL_43| input size 32 context size 32 output size 32: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:349) RESULT: Ultimate could not prove your program: Toolchain returned no result. [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-11-15 20:39:13,233 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 20:39:13,235 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 20:39:13,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 20:39:13,256 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 20:39:13,258 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 20:39:13,260 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 20:39:13,270 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 20:39:13,272 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 20:39:13,273 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 20:39:13,273 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 20:39:13,274 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 20:39:13,274 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 20:39:13,275 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 20:39:13,276 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 20:39:13,276 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 20:39:13,277 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 20:39:13,277 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 20:39:13,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 20:39:13,281 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 20:39:13,283 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 20:39:13,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 20:39:13,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 20:39:13,285 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 20:39:13,288 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 20:39:13,288 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 20:39:13,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 20:39:13,289 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 20:39:13,290 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 20:39:13,291 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 20:39:13,291 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 20:39:13,292 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 20:39:13,292 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 20:39:13,293 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 20:39:13,294 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 20:39:13,294 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 20:39:13,295 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 20:39:13,295 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 20:39:13,295 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 20:39:13,296 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 20:39:13,297 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 20:39:13,297 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3b6d083e-dae8-4834-90c6-d00fe3970552/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-15 20:39:13,316 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 20:39:13,316 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 20:39:13,318 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 20:39:13,318 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 20:39:13,318 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 20:39:13,319 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 20:39:13,319 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 20:39:13,319 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 20:39:13,319 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 20:39:13,320 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 20:39:13,320 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 20:39:13,320 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-15 20:39:13,320 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-15 20:39:13,321 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-15 20:39:13,321 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 20:39:13,321 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-15 20:39:13,321 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-15 20:39:13,322 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 20:39:13,322 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 20:39:13,322 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 20:39:13,322 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 20:39:13,323 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 20:39:13,323 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 20:39:13,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 20:39:13,323 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 20:39:13,324 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 20:39:13,324 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-15 20:39:13,324 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-15 20:39:13,324 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-15 20:39:13,325 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_3b6d083e-dae8-4834-90c6-d00fe3970552/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 -> 36d1a8e991d0ba1b082944dbede48ef8c84f35de [2019-11-15 20:39:13,366 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 20:39:13,376 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 20:39:13,383 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 20:39:13,385 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 20:39:13,386 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 20:39:13,387 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3b6d083e-dae8-4834-90c6-d00fe3970552/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test19-2.i [2019-11-15 20:39:13,447 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3b6d083e-dae8-4834-90c6-d00fe3970552/bin/uautomizer/data/57e93b8c4/c26076bf081d47ee9655b61ef98d4955/FLAG3193b5d6a [2019-11-15 20:39:13,948 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 20:39:13,952 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3b6d083e-dae8-4834-90c6-d00fe3970552/sv-benchmarks/c/ldv-memsafety/memleaks_test19-2.i [2019-11-15 20:39:13,968 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3b6d083e-dae8-4834-90c6-d00fe3970552/bin/uautomizer/data/57e93b8c4/c26076bf081d47ee9655b61ef98d4955/FLAG3193b5d6a [2019-11-15 20:39:14,216 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3b6d083e-dae8-4834-90c6-d00fe3970552/bin/uautomizer/data/57e93b8c4/c26076bf081d47ee9655b61ef98d4955 [2019-11-15 20:39:14,219 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 20:39:14,220 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-15 20:39:14,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 20:39:14,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 20:39:14,227 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 20:39:14,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:39:14" (1/1) ... [2019-11-15 20:39:14,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f4e21e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:39:14, skipping insertion in model container [2019-11-15 20:39:14,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:39:14" (1/1) ... [2019-11-15 20:39:14,237 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 20:39:14,299 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 20:39:14,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:39:14,888 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 20:39:14,987 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:39:15,082 INFO L192 MainTranslator]: Completed translation [2019-11-15 20:39:15,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:39:15 WrapperNode [2019-11-15 20:39:15,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 20:39:15,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 20:39:15,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 20:39:15,085 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 20:39:15,097 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:39:15" (1/1) ... [2019-11-15 20:39:15,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:39:15" (1/1) ... [2019-11-15 20:39:15,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:39:15" (1/1) ... [2019-11-15 20:39:15,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:39:15" (1/1) ... [2019-11-15 20:39:15,179 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:39:15" (1/1) ... [2019-11-15 20:39:15,185 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:39:15" (1/1) ... [2019-11-15 20:39:15,196 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:39:15" (1/1) ... [2019-11-15 20:39:15,208 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 20:39:15,213 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 20:39:15,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 20:39:15,214 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 20:39:15,214 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:39:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b6d083e-dae8-4834-90c6-d00fe3970552/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 [2019-11-15 20:39:15,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-15 20:39:15,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 20:39:15,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-15 20:39:15,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-15 20:39:15,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-15 20:39:15,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-15 20:39:15,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-15 20:39:15,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-15 20:39:15,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-15 20:39:15,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-15 20:39:15,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-15 20:39:15,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-15 20:39:15,266 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-15 20:39:15,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-15 20:39:15,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-15 20:39:15,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-15 20:39:15,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-15 20:39:15,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-15 20:39:15,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-15 20:39:15,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-15 20:39:15,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-15 20:39:15,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-15 20:39:15,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-15 20:39:15,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-15 20:39:15,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-15 20:39:15,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-15 20:39:15,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-15 20:39:15,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-15 20:39:15,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-15 20:39:15,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-15 20:39:15,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-15 20:39:15,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-15 20:39:15,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-15 20:39:15,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-15 20:39:15,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-15 20:39:15,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-15 20:39:15,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-15 20:39:15,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-15 20:39:15,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-15 20:39:15,272 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-15 20:39:15,272 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-15 20:39:15,273 INFO L138 BoogieDeclarations]: Found implementation of procedure f19 [2019-11-15 20:39:15,273 INFO L138 BoogieDeclarations]: Found implementation of procedure f19_undo [2019-11-15 20:39:15,273 INFO L138 BoogieDeclarations]: Found implementation of procedure g19 [2019-11-15 20:39:15,273 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_unsafe_19 [2019-11-15 20:39:15,273 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_19 [2019-11-15 20:39:15,273 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-15 20:39:15,274 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-15 20:39:15,274 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-15 20:39:15,274 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-15 20:39:15,274 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-15 20:39:15,274 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-15 20:39:15,275 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-15 20:39:15,275 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-15 20:39:15,275 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-15 20:39:15,275 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-15 20:39:15,275 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-15 20:39:15,276 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-15 20:39:15,276 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-15 20:39:15,276 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-15 20:39:15,276 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-15 20:39:15,277 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-15 20:39:15,277 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-15 20:39:15,277 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-15 20:39:15,277 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-15 20:39:15,277 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-15 20:39:15,277 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-15 20:39:15,278 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-15 20:39:15,278 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-15 20:39:15,279 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-15 20:39:15,279 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-15 20:39:15,280 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-15 20:39:15,280 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-15 20:39:15,281 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-15 20:39:15,281 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-15 20:39:15,282 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-15 20:39:15,282 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-15 20:39:15,282 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-15 20:39:15,282 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-15 20:39:15,282 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-15 20:39:15,283 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-15 20:39:15,283 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-15 20:39:15,284 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-15 20:39:15,284 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-15 20:39:15,284 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-15 20:39:15,284 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-15 20:39:15,284 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-15 20:39:15,284 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-15 20:39:15,285 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-15 20:39:15,285 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-15 20:39:15,285 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-15 20:39:15,285 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-15 20:39:15,285 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-15 20:39:15,285 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-15 20:39:15,286 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-15 20:39:15,286 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-15 20:39:15,286 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-15 20:39:15,286 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-15 20:39:15,286 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-15 20:39:15,286 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-15 20:39:15,287 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-15 20:39:15,287 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-15 20:39:15,287 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-15 20:39:15,287 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-15 20:39:15,287 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-15 20:39:15,287 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-15 20:39:15,288 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-15 20:39:15,288 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-15 20:39:15,288 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-15 20:39:15,288 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-15 20:39:15,288 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-15 20:39:15,288 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-15 20:39:15,289 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-15 20:39:15,289 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-15 20:39:15,289 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-15 20:39:15,289 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-15 20:39:15,290 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-15 20:39:15,290 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-15 20:39:15,291 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-15 20:39:15,291 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-15 20:39:15,291 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-15 20:39:15,292 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-15 20:39:15,292 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-15 20:39:15,292 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-15 20:39:15,292 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-15 20:39:15,292 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-15 20:39:15,292 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-15 20:39:15,293 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-15 20:39:15,293 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-15 20:39:15,293 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-15 20:39:15,294 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-15 20:39:15,297 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-15 20:39:15,297 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-15 20:39:15,297 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-15 20:39:15,298 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-15 20:39:15,298 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-15 20:39:15,301 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-15 20:39:15,302 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-15 20:39:15,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-15 20:39:15,302 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-15 20:39:15,302 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-15 20:39:15,302 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-15 20:39:15,302 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-15 20:39:15,310 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-15 20:39:15,310 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-15 20:39:15,310 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-15 20:39:15,310 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-15 20:39:15,311 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-15 20:39:15,311 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-15 20:39:15,311 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-15 20:39:15,311 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-15 20:39:15,311 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-15 20:39:15,311 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-15 20:39:15,312 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-15 20:39:15,312 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-15 20:39:15,312 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-15 20:39:15,312 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-15 20:39:15,312 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-15 20:39:15,312 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-15 20:39:15,313 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-15 20:39:15,313 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-15 20:39:15,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-15 20:39:15,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-15 20:39:15,313 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-15 20:39:15,313 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-15 20:39:15,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-15 20:39:15,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-15 20:39:15,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-15 20:39:15,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-15 20:39:15,314 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-15 20:39:15,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-15 20:39:15,314 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-15 20:39:15,315 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-15 20:39:15,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-15 20:39:15,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-15 20:39:15,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-15 20:39:15,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-15 20:39:15,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-15 20:39:15,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-15 20:39:15,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-15 20:39:15,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-15 20:39:15,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 20:39:15,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-15 20:39:15,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-15 20:39:15,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-15 20:39:15,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-15 20:39:15,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-15 20:39:15,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-15 20:39:15,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-15 20:39:15,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-15 20:39:15,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-15 20:39:15,318 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-15 20:39:15,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-15 20:39:15,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-15 20:39:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-15 20:39:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-15 20:39:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-15 20:39:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-15 20:39:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-15 20:39:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-15 20:39:15,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-15 20:39:15,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-15 20:39:15,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-15 20:39:15,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-15 20:39:15,320 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-15 20:39:15,320 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-15 20:39:15,320 INFO L130 BoogieDeclarations]: Found specification of procedure f19 [2019-11-15 20:39:15,321 INFO L130 BoogieDeclarations]: Found specification of procedure f19_undo [2019-11-15 20:39:15,321 INFO L130 BoogieDeclarations]: Found specification of procedure g19 [2019-11-15 20:39:15,321 INFO L130 BoogieDeclarations]: Found specification of procedure probe_unsafe_19 [2019-11-15 20:39:15,321 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_19 [2019-11-15 20:39:15,321 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-15 20:39:15,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 20:39:15,322 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-15 20:39:15,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-15 20:39:15,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-15 20:39:15,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 20:39:15,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-15 20:39:15,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-15 20:39:15,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-15 20:39:15,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-15 20:39:16,070 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-15 20:39:16,587 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-15 20:39:16,993 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 20:39:16,999 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-15 20:39:17,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:39:17 BoogieIcfgContainer [2019-11-15 20:39:17,001 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 20:39:17,002 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 20:39:17,002 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 20:39:17,005 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 20:39:17,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 08:39:14" (1/3) ... [2019-11-15 20:39:17,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71fa5835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:39:17, skipping insertion in model container [2019-11-15 20:39:17,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:39:15" (2/3) ... [2019-11-15 20:39:17,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71fa5835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:39:17, skipping insertion in model container [2019-11-15 20:39:17,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:39:17" (3/3) ... [2019-11-15 20:39:17,010 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test19-2.i [2019-11-15 20:39:17,019 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 20:39:17,028 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 94 error locations. [2019-11-15 20:39:17,039 INFO L249 AbstractCegarLoop]: Starting to check reachability of 94 error locations. [2019-11-15 20:39:17,056 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 20:39:17,057 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-15 20:39:17,057 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 20:39:17,057 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 20:39:17,057 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 20:39:17,058 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 20:39:17,058 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 20:39:17,058 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 20:39:17,085 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states. [2019-11-15 20:39:17,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-15 20:39:17,095 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:39:17,096 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:39:17,100 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, disconnect_19Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err1REQUIRES_VIOLATION, disconnect_19Err0REQUIRES_VIOLATION, disconnect_19Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_19Err3ASSERT_VIOLATIONMEMORY_FREE, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, probe_unsafe_19Err8ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err0REQUIRES_VIOLATION, probe_unsafe_19Err1REQUIRES_VIOLATION, probe_unsafe_19Err7ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err2REQUIRES_VIOLATION, probe_unsafe_19Err6ASSERT_VIOLATIONMEMORY_FREE, probe_unsafe_19Err3REQUIRES_VIOLATION, probe_unsafe_19Err4REQUIRES_VIOLATION, probe_unsafe_19Err5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr3ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr4ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr2ASSERT_VIOLATIONMEMORY_FREE, f19_undoErr1REQUIRES_VIOLATION, f19_undoErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, f19Err3REQUIRES_VIOLATION, f19Err1REQUIRES_VIOLATION, f19Err0REQUIRES_VIOLATION, f19Err2REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-11-15 20:39:17,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:39:17,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1880604432, now seen corresponding path program 1 times [2019-11-15 20:39:17,116 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 20:39:17,116 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1688703701] [2019-11-15 20:39:17,116 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b6d083e-dae8-4834-90c6-d00fe3970552/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 [2019-11-15 20:39:17,362 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 20:39:17,363 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) [2019-11-15 20:39:17,367 INFO L168 Benchmark]: Toolchain (without parser) took 3146.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 947.0 MB in the beginning and 943.8 MB in the end (delta: 3.2 MB). Peak memory consumption was 122.2 MB. Max. memory is 11.5 GB. [2019-11-15 20:39:17,368 INFO L168 Benchmark]: CDTParser took 0.71 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:39:17,370 INFO L168 Benchmark]: CACSL2BoogieTranslator took 861.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -131.4 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2019-11-15 20:39:17,370 INFO L168 Benchmark]: Boogie Preprocessor took 125.07 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:39:17,371 INFO L168 Benchmark]: RCFGBuilder took 1787.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 957.3 MB in the end (delta: 121.1 MB). Peak memory consumption was 121.1 MB. Max. memory is 11.5 GB. [2019-11-15 20:39:17,371 INFO L168 Benchmark]: TraceAbstraction took 363.76 ms. Allocated memory is still 1.1 GB. Free memory was 957.3 MB in the beginning and 943.8 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2019-11-15 20:39:17,374 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 861.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -131.4 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 125.07 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1787.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 957.3 MB in the end (delta: 121.1 MB). Peak memory consumption was 121.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 363.76 ms. Allocated memory is still 1.1 GB. Free memory was 957.3 MB in the beginning and 943.8 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 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...