./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/ldv-memsafety/memleaks_test7_false-valid-memtrack_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/ldv-memsafety/memleaks_test7_false-valid-memtrack_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 769eb05e4e9ecf306aff3e68f9d0c3446a53669d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/ldv-memsafety/memleaks_test7_false-valid-memtrack_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 769eb05e4e9ecf306aff3e68f9d0c3446a53669d ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-13 23:10:12,431 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-13 23:10:12,433 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-13 23:10:12,444 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-13 23:10:12,445 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-13 23:10:12,446 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-13 23:10:12,449 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-13 23:10:12,453 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-13 23:10:12,458 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-13 23:10:12,461 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-13 23:10:12,462 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-13 23:10:12,462 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-13 23:10:12,463 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-13 23:10:12,466 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-13 23:10:12,467 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-13 23:10:12,468 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-13 23:10:12,469 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-13 23:10:12,474 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-13 23:10:12,477 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-13 23:10:12,479 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-13 23:10:12,480 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-13 23:10:12,481 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-13 23:10:12,487 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-13 23:10:12,487 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-13 23:10:12,487 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-13 23:10:12,488 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-13 23:10:12,489 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-13 23:10:12,489 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-13 23:10:12,490 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-13 23:10:12,491 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-13 23:10:12,492 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-13 23:10:12,492 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-13 23:10:12,492 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-13 23:10:12,492 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-13 23:10:12,494 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-13 23:10:12,494 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-13 23:10:12,495 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-13 23:10:12,509 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-13 23:10:12,509 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-13 23:10:12,511 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-13 23:10:12,511 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-13 23:10:12,511 INFO L133 SettingsManager]: * Use SBE=true [2019-01-13 23:10:12,512 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-13 23:10:12,512 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-13 23:10:12,512 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-13 23:10:12,512 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-13 23:10:12,512 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-13 23:10:12,512 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-13 23:10:12,513 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-13 23:10:12,513 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-13 23:10:12,513 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-13 23:10:12,513 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-13 23:10:12,513 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-13 23:10:12,513 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-13 23:10:12,514 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-13 23:10:12,515 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-13 23:10:12,515 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-13 23:10:12,516 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-13 23:10:12,516 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-13 23:10:12,516 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-13 23:10:12,516 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-13 23:10:12,517 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-13 23:10:12,517 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-13 23:10:12,517 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 769eb05e4e9ecf306aff3e68f9d0c3446a53669d [2019-01-13 23:10:12,552 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-13 23:10:12,565 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-13 23:10:12,569 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-13 23:10:12,570 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-13 23:10:12,570 INFO L276 PluginConnector]: CDTParser initialized [2019-01-13 23:10:12,571 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test7_false-valid-memtrack_true-termination.i [2019-01-13 23:10:12,632 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55c7e5666/15e7764464714112942711a86d3706ee/FLAGbf0471888 [2019-01-13 23:10:13,173 INFO L307 CDTParser]: Found 1 translation units. [2019-01-13 23:10:13,173 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test7_false-valid-memtrack_true-termination.i [2019-01-13 23:10:13,200 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55c7e5666/15e7764464714112942711a86d3706ee/FLAGbf0471888 [2019-01-13 23:10:13,412 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55c7e5666/15e7764464714112942711a86d3706ee [2019-01-13 23:10:13,416 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-13 23:10:13,418 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-13 23:10:13,419 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-13 23:10:13,419 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-13 23:10:13,422 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-13 23:10:13,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 11:10:13" (1/1) ... [2019-01-13 23:10:13,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5850dd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:10:13, skipping insertion in model container [2019-01-13 23:10:13,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 11:10:13" (1/1) ... [2019-01-13 23:10:13,435 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-13 23:10:13,498 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-13 23:10:14,017 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 23:10:14,056 INFO L191 MainTranslator]: Completed pre-run [2019-01-13 23:10:14,218 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 23:10:14,319 INFO L195 MainTranslator]: Completed translation [2019-01-13 23:10:14,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:10:14 WrapperNode [2019-01-13 23:10:14,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-13 23:10:14,320 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-13 23:10:14,320 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-13 23:10:14,320 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-13 23:10:14,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:10:14" (1/1) ... [2019-01-13 23:10:14,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:10:14" (1/1) ... [2019-01-13 23:10:14,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:10:14" (1/1) ... [2019-01-13 23:10:14,353 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:10:14" (1/1) ... [2019-01-13 23:10:14,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:10:14" (1/1) ... [2019-01-13 23:10:14,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:10:14" (1/1) ... [2019-01-13 23:10:14,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:10:14" (1/1) ... [2019-01-13 23:10:14,429 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-13 23:10:14,430 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-13 23:10:14,430 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-13 23:10:14,430 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-13 23:10:14,431 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:10:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-13 23:10:14,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-13 23:10:14,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-13 23:10:14,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-01-13 23:10:14,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-13 23:10:14,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-13 23:10:14,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-01-13 23:10:14,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-01-13 23:10:14,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-01-13 23:10:14,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-01-13 23:10:14,488 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-01-13 23:10:14,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-01-13 23:10:14,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-01-13 23:10:14,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-01-13 23:10:14,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-01-13 23:10:14,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-01-13 23:10:14,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-01-13 23:10:14,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-01-13 23:10:14,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-01-13 23:10:14,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-01-13 23:10:14,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-01-13 23:10:14,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-01-13 23:10:14,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-01-13 23:10:14,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-01-13 23:10:14,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-01-13 23:10:14,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-01-13 23:10:14,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-01-13 23:10:14,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-01-13 23:10:14,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-01-13 23:10:14,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-01-13 23:10:14,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-01-13 23:10:14,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-01-13 23:10:14,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-01-13 23:10:14,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-01-13 23:10:14,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-01-13 23:10:14,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-01-13 23:10:14,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-01-13 23:10:14,496 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-01-13 23:10:14,496 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-01-13 23:10:14,496 INFO L138 BoogieDeclarations]: Found implementation of procedure f6 [2019-01-13 23:10:14,496 INFO L138 BoogieDeclarations]: Found implementation of procedure g6 [2019-01-13 23:10:14,496 INFO L138 BoogieDeclarations]: Found implementation of procedure probe1_6 [2019-01-13 23:10:14,497 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_2_6 [2019-01-13 23:10:14,498 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-01-13 23:10:14,498 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-13 23:10:14,498 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-01-13 23:10:14,498 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-01-13 23:10:14,498 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-01-13 23:10:14,499 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-13 23:10:14,499 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-13 23:10:14,499 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-13 23:10:14,499 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-13 23:10:14,499 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-13 23:10:14,499 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-13 23:10:14,499 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-13 23:10:14,499 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-13 23:10:14,500 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-13 23:10:14,501 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-13 23:10:14,501 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-13 23:10:14,501 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-13 23:10:14,501 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-13 23:10:14,502 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-13 23:10:14,502 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-13 23:10:14,502 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-13 23:10:14,503 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-13 23:10:14,503 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-13 23:10:14,503 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-13 23:10:14,503 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-13 23:10:14,503 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-13 23:10:14,503 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-13 23:10:14,504 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-13 23:10:14,504 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-13 23:10:14,504 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-13 23:10:14,504 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-13 23:10:14,504 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-13 23:10:14,504 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-13 23:10:14,504 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-13 23:10:14,504 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-13 23:10:14,505 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-13 23:10:14,505 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-13 23:10:14,505 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-13 23:10:14,505 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-13 23:10:14,505 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-13 23:10:14,505 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-13 23:10:14,505 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-13 23:10:14,505 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-13 23:10:14,506 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-13 23:10:14,510 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-13 23:10:14,511 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-13 23:10:14,511 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-13 23:10:14,511 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-13 23:10:14,511 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-13 23:10:14,512 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-13 23:10:14,512 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-13 23:10:14,512 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-13 23:10:14,512 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-13 23:10:14,512 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-13 23:10:14,512 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-13 23:10:14,512 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-13 23:10:14,512 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-13 23:10:14,513 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-13 23:10:14,513 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-13 23:10:14,513 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-13 23:10:14,513 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-13 23:10:14,513 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-13 23:10:14,513 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-13 23:10:14,513 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-13 23:10:14,513 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-13 23:10:14,514 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-13 23:10:14,516 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-13 23:10:14,516 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-13 23:10:14,516 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-13 23:10:14,516 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-13 23:10:14,516 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-13 23:10:14,517 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-13 23:10:14,517 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-13 23:10:14,517 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-13 23:10:14,518 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-13 23:10:14,518 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-13 23:10:14,518 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-13 23:10:14,518 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-13 23:10:14,518 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-13 23:10:14,518 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-13 23:10:14,518 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-13 23:10:14,518 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-13 23:10:14,518 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-13 23:10:14,519 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-13 23:10:14,519 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-13 23:10:14,519 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-13 23:10:14,519 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-13 23:10:14,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-13 23:10:14,519 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-13 23:10:14,519 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-13 23:10:14,519 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-13 23:10:14,520 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-13 23:10:14,523 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-13 23:10:14,523 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-13 23:10:14,523 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-13 23:10:14,524 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-13 23:10:14,524 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-13 23:10:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-13 23:10:14,529 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-13 23:10:14,529 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-13 23:10:14,529 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-13 23:10:14,529 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-13 23:10:14,529 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-13 23:10:14,529 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-13 23:10:14,529 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-13 23:10:14,529 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-13 23:10:14,530 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-13 23:10:14,530 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-01-13 23:10:14,530 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-13 23:10:14,530 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-01-13 23:10:14,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-01-13 23:10:14,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-01-13 23:10:14,530 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-01-13 23:10:14,530 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-01-13 23:10:14,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-01-13 23:10:14,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-13 23:10:14,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-01-13 23:10:14,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-01-13 23:10:14,535 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-01-13 23:10:14,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-13 23:10:14,535 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-01-13 23:10:14,535 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-01-13 23:10:14,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-01-13 23:10:14,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-13 23:10:14,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-01-13 23:10:14,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-01-13 23:10:14,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-01-13 23:10:14,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-01-13 23:10:14,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-01-13 23:10:14,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-01-13 23:10:14,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-13 23:10:14,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-01-13 23:10:14,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-01-13 23:10:14,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-01-13 23:10:14,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-01-13 23:10:14,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-01-13 23:10:14,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-13 23:10:14,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-13 23:10:14,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-01-13 23:10:14,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-01-13 23:10:14,538 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-01-13 23:10:14,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-01-13 23:10:14,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-01-13 23:10:14,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-01-13 23:10:14,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-01-13 23:10:14,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-01-13 23:10:14,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-01-13 23:10:14,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-01-13 23:10:14,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-01-13 23:10:14,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-01-13 23:10:14,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-01-13 23:10:14,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-01-13 23:10:14,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-01-13 23:10:14,542 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-01-13 23:10:14,542 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-01-13 23:10:14,543 INFO L130 BoogieDeclarations]: Found specification of procedure f6 [2019-01-13 23:10:14,543 INFO L130 BoogieDeclarations]: Found specification of procedure g6 [2019-01-13 23:10:14,543 INFO L130 BoogieDeclarations]: Found specification of procedure probe1_6 [2019-01-13 23:10:14,543 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_2_6 [2019-01-13 23:10:14,543 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-01-13 23:10:14,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-13 23:10:14,543 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-13 23:10:14,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-13 23:10:14,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-13 23:10:14,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-13 23:10:14,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-01-13 23:10:14,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-01-13 23:10:14,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-01-13 23:10:14,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-01-13 23:10:15,338 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-13 23:10:16,298 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-13 23:10:16,820 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-13 23:10:16,821 INFO L286 CfgBuilder]: Removed 1 assue(true) statements. [2019-01-13 23:10:16,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:10:16 BoogieIcfgContainer [2019-01-13 23:10:16,822 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-13 23:10:16,823 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-13 23:10:16,824 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-13 23:10:16,826 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-13 23:10:16,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.01 11:10:13" (1/3) ... [2019-01-13 23:10:16,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@653fdf28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 11:10:16, skipping insertion in model container [2019-01-13 23:10:16,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:10:14" (2/3) ... [2019-01-13 23:10:16,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@653fdf28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 11:10:16, skipping insertion in model container [2019-01-13 23:10:16,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:10:16" (3/3) ... [2019-01-13 23:10:16,830 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test7_false-valid-memtrack_true-termination.i [2019-01-13 23:10:16,840 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-13 23:10:16,848 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 76 error locations. [2019-01-13 23:10:16,865 INFO L257 AbstractCegarLoop]: Starting to check reachability of 76 error locations. [2019-01-13 23:10:16,889 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-13 23:10:16,890 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-13 23:10:16,890 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-13 23:10:16,890 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-13 23:10:16,890 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-13 23:10:16,890 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-13 23:10:16,891 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-13 23:10:16,891 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-13 23:10:16,891 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-13 23:10:16,909 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2019-01-13 23:10:16,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-13 23:10:16,920 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:10:16,921 INFO L402 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] [2019-01-13 23:10:16,923 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_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, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_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_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_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, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:10:16,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:10:16,933 INFO L82 PathProgramCache]: Analyzing trace with hash -1171481209, now seen corresponding path program 1 times [2019-01-13 23:10:16,935 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:10:16,936 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:10:16,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:10:16,983 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:10:16,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:10:17,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:10:17,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:10:17,349 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:10:17,349 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-13 23:10:17,353 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:10:17,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:10:17,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:10:17,371 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 5 states. [2019-01-13 23:10:17,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:10:17,619 INFO L93 Difference]: Finished difference Result 53 states and 57 transitions. [2019-01-13 23:10:17,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:10:17,621 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-01-13 23:10:17,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:10:17,632 INFO L225 Difference]: With dead ends: 53 [2019-01-13 23:10:17,632 INFO L226 Difference]: Without dead ends: 50 [2019-01-13 23:10:17,634 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:10:17,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2019-01-13 23:10:17,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2019-01-13 23:10:17,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-01-13 23:10:17,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2019-01-13 23:10:17,676 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 23 [2019-01-13 23:10:17,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:10:17,677 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2019-01-13 23:10:17,677 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:10:17,677 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2019-01-13 23:10:17,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-13 23:10:17,678 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:10:17,678 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:10:17,679 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_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, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_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_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_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, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:10:17,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:10:17,679 INFO L82 PathProgramCache]: Analyzing trace with hash -1956178684, now seen corresponding path program 1 times [2019-01-13 23:10:17,680 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:10:17,680 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:10:17,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:10:17,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:10:17,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:10:17,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:10:17,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:10:17,856 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:10:17,856 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-13 23:10:17,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:10:17,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:10:17,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:10:17,859 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand 5 states. [2019-01-13 23:10:18,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:10:18,024 INFO L93 Difference]: Finished difference Result 68 states and 77 transitions. [2019-01-13 23:10:18,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:10:18,024 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-01-13 23:10:18,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:10:18,028 INFO L225 Difference]: With dead ends: 68 [2019-01-13 23:10:18,028 INFO L226 Difference]: Without dead ends: 68 [2019-01-13 23:10:18,029 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:10:18,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-01-13 23:10:18,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 62. [2019-01-13 23:10:18,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-01-13 23:10:18,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 71 transitions. [2019-01-13 23:10:18,043 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 71 transitions. Word has length 24 [2019-01-13 23:10:18,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:10:18,045 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 71 transitions. [2019-01-13 23:10:18,045 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:10:18,045 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 71 transitions. [2019-01-13 23:10:18,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-13 23:10:18,048 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:10:18,048 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:10:18,048 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_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, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_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_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_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, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:10:18,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:10:18,049 INFO L82 PathProgramCache]: Analyzing trace with hash 2045385605, now seen corresponding path program 1 times [2019-01-13 23:10:18,049 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:10:18,049 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:10:18,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:10:18,051 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:10:18,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:10:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:10:18,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:10:18,190 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:10:18,190 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:10:18,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:10:18,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:10:18,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:10:18,194 INFO L87 Difference]: Start difference. First operand 62 states and 71 transitions. Second operand 5 states. [2019-01-13 23:10:18,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:10:18,250 INFO L93 Difference]: Finished difference Result 55 states and 59 transitions. [2019-01-13 23:10:18,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:10:18,251 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-01-13 23:10:18,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:10:18,252 INFO L225 Difference]: With dead ends: 55 [2019-01-13 23:10:18,253 INFO L226 Difference]: Without dead ends: 55 [2019-01-13 23:10:18,253 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:10:18,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-01-13 23:10:18,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 53. [2019-01-13 23:10:18,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-01-13 23:10:18,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 57 transitions. [2019-01-13 23:10:18,260 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 57 transitions. Word has length 24 [2019-01-13 23:10:18,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:10:18,261 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 57 transitions. [2019-01-13 23:10:18,261 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:10:18,261 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2019-01-13 23:10:18,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-13 23:10:18,262 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:10:18,262 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:10:18,263 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_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, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_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_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_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, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:10:18,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:10:18,263 INFO L82 PathProgramCache]: Analyzing trace with hash -995837552, now seen corresponding path program 1 times [2019-01-13 23:10:18,264 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:10:18,264 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:10:18,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:10:18,265 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:10:18,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:10:18,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:10:18,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:10:18,339 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:10:18,339 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:10:18,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:10:18,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:10:18,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:10:18,340 INFO L87 Difference]: Start difference. First operand 53 states and 57 transitions. Second operand 5 states. [2019-01-13 23:10:18,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:10:18,382 INFO L93 Difference]: Finished difference Result 55 states and 58 transitions. [2019-01-13 23:10:18,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:10:18,383 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-01-13 23:10:18,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:10:18,385 INFO L225 Difference]: With dead ends: 55 [2019-01-13 23:10:18,385 INFO L226 Difference]: Without dead ends: 55 [2019-01-13 23:10:18,386 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:10:18,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-01-13 23:10:18,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 53. [2019-01-13 23:10:18,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-01-13 23:10:18,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 56 transitions. [2019-01-13 23:10:18,392 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 56 transitions. Word has length 24 [2019-01-13 23:10:18,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:10:18,393 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 56 transitions. [2019-01-13 23:10:18,393 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:10:18,393 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 56 transitions. [2019-01-13 23:10:18,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-01-13 23:10:18,394 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:10:18,394 INFO L402 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] [2019-01-13 23:10:18,395 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_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, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_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_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_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, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:10:18,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:10:18,395 INFO L82 PathProgramCache]: Analyzing trace with hash -511996631, now seen corresponding path program 1 times [2019-01-13 23:10:18,395 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:10:18,396 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:10:18,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:10:18,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:10:18,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:10:18,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:10:18,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:10:18,503 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:10:18,503 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-13 23:10:18,503 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:10:18,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:10:18,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:10:18,504 INFO L87 Difference]: Start difference. First operand 53 states and 56 transitions. Second operand 5 states. [2019-01-13 23:10:18,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:10:18,656 INFO L93 Difference]: Finished difference Result 54 states and 57 transitions. [2019-01-13 23:10:18,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:10:18,657 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-01-13 23:10:18,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:10:18,658 INFO L225 Difference]: With dead ends: 54 [2019-01-13 23:10:18,658 INFO L226 Difference]: Without dead ends: 54 [2019-01-13 23:10:18,659 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:10:18,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2019-01-13 23:10:18,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 52. [2019-01-13 23:10:18,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-01-13 23:10:18,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 55 transitions. [2019-01-13 23:10:18,664 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 55 transitions. Word has length 25 [2019-01-13 23:10:18,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:10:18,665 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 55 transitions. [2019-01-13 23:10:18,665 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:10:18,665 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 55 transitions. [2019-01-13 23:10:18,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-13 23:10:18,666 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:10:18,666 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:10:18,667 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_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, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_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_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_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, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:10:18,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:10:18,667 INFO L82 PathProgramCache]: Analyzing trace with hash -1289240559, now seen corresponding path program 1 times [2019-01-13 23:10:18,667 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:10:18,668 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:10:18,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:10:18,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:10:18,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:10:18,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:10:18,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:10:18,809 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:10:18,810 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-13 23:10:18,810 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-13 23:10:18,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-13 23:10:18,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-13 23:10:18,811 INFO L87 Difference]: Start difference. First operand 52 states and 55 transitions. Second operand 4 states. [2019-01-13 23:10:18,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:10:18,969 INFO L93 Difference]: Finished difference Result 61 states and 65 transitions. [2019-01-13 23:10:18,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-13 23:10:18,970 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-01-13 23:10:18,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:10:18,971 INFO L225 Difference]: With dead ends: 61 [2019-01-13 23:10:18,972 INFO L226 Difference]: Without dead ends: 48 [2019-01-13 23:10:18,972 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-13 23:10:18,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2019-01-13 23:10:18,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2019-01-13 23:10:18,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-01-13 23:10:18,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 50 transitions. [2019-01-13 23:10:18,977 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 50 transitions. Word has length 24 [2019-01-13 23:10:18,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:10:18,978 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 50 transitions. [2019-01-13 23:10:18,978 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-13 23:10:18,978 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 50 transitions. [2019-01-13 23:10:18,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-01-13 23:10:18,979 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:10:18,979 INFO L402 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, 1, 1] [2019-01-13 23:10:18,980 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_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, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_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_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_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, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:10:18,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:10:18,980 INFO L82 PathProgramCache]: Analyzing trace with hash 114706589, now seen corresponding path program 1 times [2019-01-13 23:10:18,980 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:10:18,980 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:10:18,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:10:18,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:10:18,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:10:18,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:10:19,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:10:19,149 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:10:19,149 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-13 23:10:19,150 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-13 23:10:19,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-13 23:10:19,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-01-13 23:10:19,150 INFO L87 Difference]: Start difference. First operand 48 states and 50 transitions. Second operand 8 states. [2019-01-13 23:10:19,448 WARN L181 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2019-01-13 23:10:19,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:10:19,650 INFO L93 Difference]: Finished difference Result 53 states and 57 transitions. [2019-01-13 23:10:19,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-13 23:10:19,650 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2019-01-13 23:10:19,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:10:19,652 INFO L225 Difference]: With dead ends: 53 [2019-01-13 23:10:19,652 INFO L226 Difference]: Without dead ends: 53 [2019-01-13 23:10:19,652 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2019-01-13 23:10:19,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-01-13 23:10:19,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 47. [2019-01-13 23:10:19,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-01-13 23:10:19,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 49 transitions. [2019-01-13 23:10:19,658 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 49 transitions. Word has length 29 [2019-01-13 23:10:19,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:10:19,658 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 49 transitions. [2019-01-13 23:10:19,659 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-13 23:10:19,659 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 49 transitions. [2019-01-13 23:10:19,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-01-13 23:10:19,659 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:10:19,660 INFO L402 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, 1, 1] [2019-01-13 23:10:19,662 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_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, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_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_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_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, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:10:19,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:10:19,663 INFO L82 PathProgramCache]: Analyzing trace with hash 114706590, now seen corresponding path program 1 times [2019-01-13 23:10:19,663 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:10:19,663 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:10:19,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:10:19,665 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:10:19,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:10:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:10:20,035 WARN L181 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2019-01-13 23:10:20,211 WARN L181 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2019-01-13 23:10:20,514 WARN L181 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2019-01-13 23:10:20,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:10:20,579 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:10:20,579 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-13 23:10:20,579 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-13 23:10:20,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-13 23:10:20,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-01-13 23:10:20,580 INFO L87 Difference]: Start difference. First operand 47 states and 49 transitions. Second operand 8 states. [2019-01-13 23:10:20,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:10:20,839 INFO L93 Difference]: Finished difference Result 46 states and 48 transitions. [2019-01-13 23:10:20,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-13 23:10:20,840 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2019-01-13 23:10:20,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:10:20,842 INFO L225 Difference]: With dead ends: 46 [2019-01-13 23:10:20,842 INFO L226 Difference]: Without dead ends: 46 [2019-01-13 23:10:20,843 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2019-01-13 23:10:20,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-01-13 23:10:20,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2019-01-13 23:10:20,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-01-13 23:10:20,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 48 transitions. [2019-01-13 23:10:20,849 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 48 transitions. Word has length 29 [2019-01-13 23:10:20,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:10:20,849 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 48 transitions. [2019-01-13 23:10:20,849 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-13 23:10:20,849 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2019-01-13 23:10:20,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-01-13 23:10:20,852 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:10:20,852 INFO L402 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, 1, 1, 1, 1, 1, 1] [2019-01-13 23:10:20,852 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_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, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_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_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_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, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:10:20,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:10:20,854 INFO L82 PathProgramCache]: Analyzing trace with hash 47713307, now seen corresponding path program 1 times [2019-01-13 23:10:20,854 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:10:20,854 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:10:20,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:10:20,859 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:10:20,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:10:20,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:10:21,420 WARN L181 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 14 [2019-01-13 23:10:21,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:10:21,433 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:10:21,433 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-13 23:10:21,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-13 23:10:21,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-13 23:10:21,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-01-13 23:10:21,434 INFO L87 Difference]: Start difference. First operand 46 states and 48 transitions. Second operand 8 states. [2019-01-13 23:10:21,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:10:21,992 INFO L93 Difference]: Finished difference Result 55 states and 58 transitions. [2019-01-13 23:10:21,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-13 23:10:21,993 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2019-01-13 23:10:21,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:10:21,995 INFO L225 Difference]: With dead ends: 55 [2019-01-13 23:10:21,995 INFO L226 Difference]: Without dead ends: 43 [2019-01-13 23:10:21,995 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-01-13 23:10:21,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-01-13 23:10:21,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-01-13 23:10:22,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-01-13 23:10:22,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2019-01-13 23:10:22,001 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 33 [2019-01-13 23:10:22,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:10:22,001 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2019-01-13 23:10:22,001 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-13 23:10:22,001 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2019-01-13 23:10:22,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-01-13 23:10:22,004 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:10:22,004 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:10:22,005 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_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, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_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_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_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, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:10:22,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:10:22,006 INFO L82 PathProgramCache]: Analyzing trace with hash 864639070, now seen corresponding path program 1 times [2019-01-13 23:10:22,006 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:10:22,006 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:10:22,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:10:22,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:10:22,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:10:22,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:10:22,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:10:22,139 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:10:22,140 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:10:22,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:10:22,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:10:22,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:10:22,141 INFO L87 Difference]: Start difference. First operand 43 states and 43 transitions. Second operand 5 states. [2019-01-13 23:10:22,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:10:22,151 INFO L93 Difference]: Finished difference Result 43 states and 42 transitions. [2019-01-13 23:10:22,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:10:22,156 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2019-01-13 23:10:22,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:10:22,157 INFO L225 Difference]: With dead ends: 43 [2019-01-13 23:10:22,157 INFO L226 Difference]: Without dead ends: 43 [2019-01-13 23:10:22,158 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:10:22,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-01-13 23:10:22,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-01-13 23:10:22,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-01-13 23:10:22,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 42 transitions. [2019-01-13 23:10:22,164 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 42 transitions. Word has length 38 [2019-01-13 23:10:22,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:10:22,164 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 42 transitions. [2019-01-13 23:10:22,165 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:10:22,166 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 42 transitions. [2019-01-13 23:10:22,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-01-13 23:10:22,167 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:10:22,167 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:10:22,167 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_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, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_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_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_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, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:10:22,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:10:22,168 INFO L82 PathProgramCache]: Analyzing trace with hash 1477679451, now seen corresponding path program 1 times [2019-01-13 23:10:22,168 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:10:22,171 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:10:22,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:10:22,172 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:10:22,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:10:22,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-13 23:10:22,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-13 23:10:22,244 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-13 23:10:22,275 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-01-13 23:10:22,286 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-13 23:10:22,287 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-13 23:10:22,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.01 11:10:22 BoogieIcfgContainer [2019-01-13 23:10:22,303 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-13 23:10:22,303 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-13 23:10:22,303 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-13 23:10:22,303 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-13 23:10:22,307 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:10:16" (3/4) ... [2019-01-13 23:10:22,312 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-13 23:10:22,312 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-13 23:10:22,313 INFO L168 Benchmark]: Toolchain (without parser) took 8896.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 215.5 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -182.8 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. [2019-01-13 23:10:22,316 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 23:10:22,316 INFO L168 Benchmark]: CACSL2BoogieTranslator took 901.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -171.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2019-01-13 23:10:22,318 INFO L168 Benchmark]: Boogie Preprocessor took 109.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 23:10:22,319 INFO L168 Benchmark]: RCFGBuilder took 2392.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 105.2 MB). Peak memory consumption was 105.2 MB. Max. memory is 11.5 GB. [2019-01-13 23:10:22,319 INFO L168 Benchmark]: TraceAbstraction took 5479.29 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.8 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -116.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 23:10:22,321 INFO L168 Benchmark]: Witness Printer took 8.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 23:10:22,326 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 901.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -171.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 109.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 2392.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 105.2 MB). Peak memory consumption was 105.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5479.29 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.8 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -116.2 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 8.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1473]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1473. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={2:0}] [L1474] CALL entry_point() VAL [ldv_global_msg_list={2:0}] [L1466] struct A a7; VAL [a7={3:0}, ldv_global_msg_list={2:0}] [L1467] CALL, EXPR probe1_6(&a7) VAL [a={3:0}, ldv_global_msg_list={2:0}] [L1443] int ret = - -3; VAL [a={3:0}, a={3:0}, ldv_global_msg_list={2:0}, ret=3] [L1444] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={2:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=4, \result={5:0}, ldv_global_msg_list={2:0}, malloc(size)={5:0}, size=4] [L1444] RET, EXPR ldv_malloc(sizeof(int)) VAL [a={3:0}, a={3:0}, ldv_global_msg_list={2:0}, ldv_malloc(sizeof(int))={5:0}, ret=3] [L1444] int *p = (int *)ldv_malloc(sizeof(int)); [L1445] COND FALSE !(p==0) VAL [a={3:0}, a={3:0}, ldv_global_msg_list={2:0}, p={5:0}, ret=3] [L1447] CALL, EXPR f6() VAL [ldv_global_msg_list={2:0}] [L1435] return __VERIFIER_nondet_int(); [L1447] RET, EXPR f6() VAL [a={3:0}, a={3:0}, f6()=6, ldv_global_msg_list={2:0}, p={5:0}, ret=3] [L1447] ret = f6() [L1448] COND FALSE !(ret<0) VAL [a={3:0}, a={3:0}, ldv_global_msg_list={2:0}, p={5:0}, ret=6] [L1450] CALL, EXPR g6() VAL [ldv_global_msg_list={2:0}] [L1439] return __VERIFIER_nondet_int(); [L1450] RET, EXPR g6() VAL [a={3:0}, a={3:0}, g6()=0, ldv_global_msg_list={2:0}, p={5:0}, ret=6] [L1450] ret = g6() [L1451] COND FALSE !(ret<0) VAL [a={3:0}, a={3:0}, ldv_global_msg_list={2:0}, p={5:0}, ret=0] [L1453] a->p = p VAL [a={3:0}, a={3:0}, ldv_global_msg_list={2:0}, p={5:0}, ret=0] [L1454] return 0; VAL [\result=0, a={3:0}, a={3:0}, ldv_global_msg_list={2:0}, p={5:0}, ret=0] [L1467] RET, EXPR probe1_6(&a7) VAL [a7={3:0}, ldv_global_msg_list={2:0}, probe1_6(&a7)=0] [L1467] int ret = probe1_6(&a7); [L1468] COND TRUE ret==0 VAL [a7={3:0}, ldv_global_msg_list={2:0}, ret=0] [L1469] FCALL disconnect_2_6(&a7) VAL [a7={3:0}, ldv_global_msg_list={2:0}, ret=0] [L1474] RET entry_point() VAL [ldv_global_msg_list={2:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 350 locations, 76 error locations. UNSAFE Result, 5.4s OverallTime, 11 OverallIterations, 1 TraceHistogramMax, 2.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 461 SDtfs, 189 SDslu, 1096 SDs, 0 SdLazy, 624 SolverSat, 54 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 22 SyntacticMatches, 5 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 18 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 315 NumberOfCodeBlocks, 315 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 263 ConstructedInterpolants, 0 QuantifiedInterpolants, 33963 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-0ed9222-m [2019-01-13 23:10:24,650 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-13 23:10:24,652 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-13 23:10:24,664 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-13 23:10:24,665 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-13 23:10:24,666 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-13 23:10:24,668 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-13 23:10:24,669 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-13 23:10:24,671 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-13 23:10:24,672 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-13 23:10:24,674 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-13 23:10:24,674 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-13 23:10:24,675 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-13 23:10:24,676 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-13 23:10:24,677 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-13 23:10:24,678 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-13 23:10:24,679 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-13 23:10:24,681 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-13 23:10:24,683 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-13 23:10:24,684 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-13 23:10:24,686 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-13 23:10:24,687 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-13 23:10:24,689 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-13 23:10:24,690 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-13 23:10:24,690 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-13 23:10:24,691 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-13 23:10:24,692 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-13 23:10:24,693 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-13 23:10:24,693 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-13 23:10:24,694 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-13 23:10:24,695 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-13 23:10:24,696 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-13 23:10:24,696 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-13 23:10:24,696 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-13 23:10:24,697 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-13 23:10:24,698 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-13 23:10:24,699 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-01-13 23:10:24,713 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-13 23:10:24,714 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-13 23:10:24,715 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-13 23:10:24,715 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-13 23:10:24,715 INFO L133 SettingsManager]: * Use SBE=true [2019-01-13 23:10:24,715 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-13 23:10:24,716 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-13 23:10:24,716 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-13 23:10:24,717 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-13 23:10:24,717 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-13 23:10:24,717 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-13 23:10:24,717 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-13 23:10:24,717 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-13 23:10:24,717 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-13 23:10:24,718 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-13 23:10:24,719 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-13 23:10:24,719 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-13 23:10:24,719 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-13 23:10:24,719 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-13 23:10:24,719 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-13 23:10:24,719 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-13 23:10:24,720 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-13 23:10:24,720 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-13 23:10:24,720 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-13 23:10:24,720 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-13 23:10:24,720 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-13 23:10:24,721 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-13 23:10:24,722 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-13 23:10:24,722 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-13 23:10:24,722 INFO L133 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 769eb05e4e9ecf306aff3e68f9d0c3446a53669d [2019-01-13 23:10:24,758 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-13 23:10:24,771 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-13 23:10:24,774 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-13 23:10:24,776 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-13 23:10:24,777 INFO L276 PluginConnector]: CDTParser initialized [2019-01-13 23:10:24,777 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test7_false-valid-memtrack_true-termination.i [2019-01-13 23:10:24,842 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef7abf1c5/f778d22e6c804ea6b4e5455f97c202e5/FLAG1906211ce [2019-01-13 23:10:25,396 INFO L307 CDTParser]: Found 1 translation units. [2019-01-13 23:10:25,397 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test7_false-valid-memtrack_true-termination.i [2019-01-13 23:10:25,415 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef7abf1c5/f778d22e6c804ea6b4e5455f97c202e5/FLAG1906211ce [2019-01-13 23:10:25,652 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef7abf1c5/f778d22e6c804ea6b4e5455f97c202e5 [2019-01-13 23:10:25,656 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-13 23:10:25,660 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-13 23:10:25,662 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-13 23:10:25,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-13 23:10:25,667 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-13 23:10:25,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 11:10:25" (1/1) ... [2019-01-13 23:10:25,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27853e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:10:25, skipping insertion in model container [2019-01-13 23:10:25,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 11:10:25" (1/1) ... [2019-01-13 23:10:25,681 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-13 23:10:25,744 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-13 23:10:26,285 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 23:10:26,308 INFO L191 MainTranslator]: Completed pre-run [2019-01-13 23:10:26,469 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 23:10:26,561 INFO L195 MainTranslator]: Completed translation [2019-01-13 23:10:26,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:10:26 WrapperNode [2019-01-13 23:10:26,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-13 23:10:26,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-13 23:10:26,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-13 23:10:26,563 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-13 23:10:26,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:10:26" (1/1) ... [2019-01-13 23:10:26,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:10:26" (1/1) ... [2019-01-13 23:10:26,602 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:10:26" (1/1) ... [2019-01-13 23:10:26,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:10:26" (1/1) ... [2019-01-13 23:10:26,642 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:10:26" (1/1) ... [2019-01-13 23:10:26,650 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:10:26" (1/1) ... [2019-01-13 23:10:26,658 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:10:26" (1/1) ... [2019-01-13 23:10:26,669 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-13 23:10:26,670 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-13 23:10:26,670 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-13 23:10:26,670 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-13 23:10:26,671 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:10:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-13 23:10:26,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-13 23:10:26,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-13 23:10:26,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-01-13 23:10:26,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-01-13 23:10:26,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-13 23:10:26,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-13 23:10:26,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-01-13 23:10:26,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-01-13 23:10:26,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-01-13 23:10:26,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-01-13 23:10:26,732 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-01-13 23:10:26,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-01-13 23:10:26,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-01-13 23:10:26,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-01-13 23:10:26,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-01-13 23:10:26,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-01-13 23:10:26,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-01-13 23:10:26,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-01-13 23:10:26,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-01-13 23:10:26,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-01-13 23:10:26,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-01-13 23:10:26,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-01-13 23:10:26,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-01-13 23:10:26,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-01-13 23:10:26,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-01-13 23:10:26,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-01-13 23:10:26,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-01-13 23:10:26,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-01-13 23:10:26,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-01-13 23:10:26,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-01-13 23:10:26,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-01-13 23:10:26,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-01-13 23:10:26,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-01-13 23:10:26,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-01-13 23:10:26,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-01-13 23:10:26,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-01-13 23:10:26,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-01-13 23:10:26,737 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-01-13 23:10:26,737 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-01-13 23:10:26,738 INFO L138 BoogieDeclarations]: Found implementation of procedure f6 [2019-01-13 23:10:26,738 INFO L138 BoogieDeclarations]: Found implementation of procedure g6 [2019-01-13 23:10:26,738 INFO L138 BoogieDeclarations]: Found implementation of procedure probe1_6 [2019-01-13 23:10:26,738 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_2_6 [2019-01-13 23:10:26,738 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-01-13 23:10:26,738 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-13 23:10:26,738 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-01-13 23:10:26,739 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-01-13 23:10:26,739 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-01-13 23:10:26,739 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-13 23:10:26,739 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-13 23:10:26,739 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-13 23:10:26,739 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-13 23:10:26,739 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-13 23:10:26,740 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-13 23:10:26,740 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-13 23:10:26,740 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-13 23:10:26,740 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-13 23:10:26,740 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-13 23:10:26,740 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-13 23:10:26,740 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-13 23:10:26,741 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-13 23:10:26,741 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-13 23:10:26,741 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-13 23:10:26,741 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-13 23:10:26,741 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-13 23:10:26,741 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-13 23:10:26,741 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-13 23:10:26,742 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-13 23:10:26,742 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-13 23:10:26,742 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-13 23:10:26,742 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-13 23:10:26,742 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-13 23:10:26,742 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-13 23:10:26,742 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-13 23:10:26,742 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-13 23:10:26,743 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-13 23:10:26,746 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-13 23:10:26,746 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-13 23:10:26,747 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-13 23:10:26,747 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-13 23:10:26,747 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-13 23:10:26,747 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-13 23:10:26,747 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-13 23:10:26,747 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-13 23:10:26,748 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-13 23:10:26,749 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-13 23:10:26,749 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-13 23:10:26,749 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-13 23:10:26,749 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-13 23:10:26,749 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-13 23:10:26,749 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-13 23:10:26,749 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-13 23:10:26,750 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-13 23:10:26,750 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-13 23:10:26,750 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-13 23:10:26,750 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-13 23:10:26,751 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-13 23:10:26,751 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-13 23:10:26,751 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-13 23:10:26,751 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-13 23:10:26,751 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-13 23:10:26,752 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-13 23:10:26,752 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-13 23:10:26,752 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-13 23:10:26,752 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-13 23:10:26,752 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-13 23:10:26,752 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-13 23:10:26,752 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-13 23:10:26,753 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-13 23:10:26,753 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-13 23:10:26,753 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-13 23:10:26,753 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-13 23:10:26,753 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-13 23:10:26,753 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-13 23:10:26,753 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-13 23:10:26,753 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-13 23:10:26,754 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-13 23:10:26,754 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-13 23:10:26,755 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-13 23:10:26,755 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-13 23:10:26,755 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-13 23:10:26,755 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-13 23:10:26,755 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-13 23:10:26,755 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-13 23:10:26,755 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-13 23:10:26,755 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-13 23:10:26,756 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-13 23:10:26,756 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-13 23:10:26,756 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-13 23:10:26,756 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-13 23:10:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-13 23:10:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-13 23:10:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-13 23:10:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-13 23:10:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-13 23:10:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-13 23:10:26,758 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-13 23:10:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-13 23:10:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-13 23:10:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-13 23:10:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-13 23:10:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-13 23:10:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-13 23:10:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-13 23:10:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-13 23:10:26,761 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-13 23:10:26,762 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-13 23:10:26,762 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-13 23:10:26,762 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-13 23:10:26,762 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-13 23:10:26,762 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-01-13 23:10:26,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-13 23:10:26,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-01-13 23:10:26,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-01-13 23:10:26,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-01-13 23:10:26,763 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-01-13 23:10:26,767 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-01-13 23:10:26,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-01-13 23:10:26,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-13 23:10:26,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-01-13 23:10:26,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-01-13 23:10:26,768 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-01-13 23:10:26,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-13 23:10:26,768 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-01-13 23:10:26,768 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-01-13 23:10:26,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-01-13 23:10:26,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-13 23:10:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-01-13 23:10:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-01-13 23:10:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-01-13 23:10:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-01-13 23:10:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-01-13 23:10:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-01-13 23:10:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-13 23:10:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-01-13 23:10:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-01-13 23:10:26,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-01-13 23:10:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-01-13 23:10:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-01-13 23:10:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-13 23:10:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-13 23:10:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-01-13 23:10:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-01-13 23:10:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-01-13 23:10:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-01-13 23:10:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-01-13 23:10:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-01-13 23:10:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-01-13 23:10:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-01-13 23:10:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-01-13 23:10:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-01-13 23:10:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-01-13 23:10:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-01-13 23:10:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-01-13 23:10:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-01-13 23:10:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-01-13 23:10:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-01-13 23:10:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-01-13 23:10:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure f6 [2019-01-13 23:10:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure g6 [2019-01-13 23:10:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure probe1_6 [2019-01-13 23:10:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_2_6 [2019-01-13 23:10:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-01-13 23:10:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-13 23:10:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-13 23:10:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-13 23:10:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-13 23:10:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-13 23:10:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-01-13 23:10:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-01-13 23:10:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-01-13 23:10:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-01-13 23:10:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-01-13 23:10:27,566 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-13 23:10:28,571 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-13 23:10:29,645 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-13 23:10:29,646 INFO L286 CfgBuilder]: Removed 1 assue(true) statements. [2019-01-13 23:10:29,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:10:29 BoogieIcfgContainer [2019-01-13 23:10:29,648 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-13 23:10:29,649 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-13 23:10:29,649 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-13 23:10:29,653 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-13 23:10:29,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.01 11:10:25" (1/3) ... [2019-01-13 23:10:29,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71a0a881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 11:10:29, skipping insertion in model container [2019-01-13 23:10:29,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:10:26" (2/3) ... [2019-01-13 23:10:29,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71a0a881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 11:10:29, skipping insertion in model container [2019-01-13 23:10:29,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:10:29" (3/3) ... [2019-01-13 23:10:29,657 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test7_false-valid-memtrack_true-termination.i [2019-01-13 23:10:29,667 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-13 23:10:29,676 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 76 error locations. [2019-01-13 23:10:29,694 INFO L257 AbstractCegarLoop]: Starting to check reachability of 76 error locations. [2019-01-13 23:10:29,720 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-13 23:10:29,721 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-13 23:10:29,721 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-13 23:10:29,722 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-13 23:10:29,722 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-13 23:10:29,722 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-13 23:10:29,722 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-13 23:10:29,722 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-13 23:10:29,722 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-13 23:10:29,743 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2019-01-13 23:10:29,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-13 23:10:29,754 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:10:29,755 INFO L402 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] [2019-01-13 23:10:29,758 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, 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_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:10:29,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:10:29,766 INFO L82 PathProgramCache]: Analyzing trace with hash -1378250355, now seen corresponding path program 1 times [2019-01-13 23:10:29,771 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:10:29,772 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:10:29,793 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:10:29,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:10:29,873 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:10:30,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:10:30,052 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4 --incremental --print-success --lang smt --rewrite-divk (2)] Exception during sending of exit command (exit): Broken pipe [2019-01-13 23:10:30,062 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:10:30,063 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-13 23:10:30,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:10:30,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:10:30,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:10:30,091 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 5 states. [2019-01-13 23:10:30,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:10:30,336 INFO L93 Difference]: Finished difference Result 53 states and 57 transitions. [2019-01-13 23:10:30,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:10:30,339 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-01-13 23:10:30,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:10:30,347 INFO L225 Difference]: With dead ends: 53 [2019-01-13 23:10:30,348 INFO L226 Difference]: Without dead ends: 50 [2019-01-13 23:10:30,349 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:10:30,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2019-01-13 23:10:30,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2019-01-13 23:10:30,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-01-13 23:10:30,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2019-01-13 23:10:30,385 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 23 [2019-01-13 23:10:30,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:10:30,385 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2019-01-13 23:10:30,385 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:10:30,386 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2019-01-13 23:10:30,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-13 23:10:30,387 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:10:30,387 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:10:30,389 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, 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_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:10:30,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:10:30,389 INFO L82 PathProgramCache]: Analyzing trace with hash 223912388, now seen corresponding path program 1 times [2019-01-13 23:10:30,390 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:10:30,390 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:10:30,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:10:30,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:10:30,464 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:10:30,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:10:30,542 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:10:30,549 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:10:30,549 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-13 23:10:30,551 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-13 23:10:30,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-13 23:10:30,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-13 23:10:30,552 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand 6 states. [2019-01-13 23:10:30,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:10:30,872 INFO L93 Difference]: Finished difference Result 69 states and 77 transitions. [2019-01-13 23:10:30,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-13 23:10:30,876 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-01-13 23:10:30,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:10:30,881 INFO L225 Difference]: With dead ends: 69 [2019-01-13 23:10:30,883 INFO L226 Difference]: Without dead ends: 68 [2019-01-13 23:10:30,884 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-01-13 23:10:30,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-01-13 23:10:30,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 60. [2019-01-13 23:10:30,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-01-13 23:10:30,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 67 transitions. [2019-01-13 23:10:30,908 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 67 transitions. Word has length 24 [2019-01-13 23:10:30,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:10:30,912 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 67 transitions. [2019-01-13 23:10:30,912 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-13 23:10:30,912 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 67 transitions. [2019-01-13 23:10:30,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-13 23:10:30,917 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:10:30,917 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:10:30,918 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, 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_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:10:30,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:10:30,920 INFO L82 PathProgramCache]: Analyzing trace with hash 517315395, now seen corresponding path program 1 times [2019-01-13 23:10:30,921 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:10:30,922 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:10:30,965 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:10:31,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:10:31,078 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:10:31,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:10:31,255 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:10:31,258 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:10:31,259 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:10:31,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-13 23:10:31,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-13 23:10:31,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-01-13 23:10:31,260 INFO L87 Difference]: Start difference. First operand 60 states and 67 transitions. Second operand 6 states. [2019-01-13 23:10:31,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:10:31,558 INFO L93 Difference]: Finished difference Result 82 states and 87 transitions. [2019-01-13 23:10:31,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-13 23:10:31,560 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-01-13 23:10:31,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:10:31,562 INFO L225 Difference]: With dead ends: 82 [2019-01-13 23:10:31,562 INFO L226 Difference]: Without dead ends: 82 [2019-01-13 23:10:31,562 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-01-13 23:10:31,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2019-01-13 23:10:31,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 65. [2019-01-13 23:10:31,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-01-13 23:10:31,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 70 transitions. [2019-01-13 23:10:31,572 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 70 transitions. Word has length 24 [2019-01-13 23:10:31,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:10:31,572 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 70 transitions. [2019-01-13 23:10:31,573 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-13 23:10:31,574 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 70 transitions. [2019-01-13 23:10:31,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-13 23:10:31,575 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:10:31,575 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:10:31,576 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, 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_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:10:31,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:10:31,576 INFO L82 PathProgramCache]: Analyzing trace with hash 268120689, now seen corresponding path program 1 times [2019-01-13 23:10:31,577 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:10:31,577 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:10:31,595 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:10:31,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:10:31,673 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:10:31,854 WARN L181 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 14 [2019-01-13 23:10:31,885 INFO L478 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2019-01-13 23:10:31,927 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:10:31,928 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2019-01-13 23:10:31,929 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:10:31,938 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:10:31,947 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 17 [2019-01-13 23:10:31,956 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:10:31,969 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 15 [2019-01-13 23:10:31,970 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2019-01-13 23:10:31,985 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-01-13 23:10:32,027 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2019-01-13 23:10:32,027 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:18, output treesize:19 [2019-01-13 23:10:33,702 WARN L860 $PredicateComparison]: unable to prove that (exists ((|v_entry_point_~#a7~0.base_8| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |v_entry_point_~#a7~0.base_8|)) (= |c_#valid| (store |c_old(#valid)| |v_entry_point_~#a7~0.base_8| (_ bv0 1))))) is different from true [2019-01-13 23:10:33,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:10:33,740 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:10:33,742 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:10:33,742 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-13 23:10:33,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-13 23:10:33,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-13 23:10:33,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=26, Unknown=1, NotChecked=10, Total=56 [2019-01-13 23:10:33,744 INFO L87 Difference]: Start difference. First operand 65 states and 70 transitions. Second operand 8 states. [2019-01-13 23:11:02,860 WARN L181 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 12 DAG size of output: 10 [2019-01-13 23:11:17,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:11:17,113 INFO L93 Difference]: Finished difference Result 87 states and 94 transitions. [2019-01-13 23:11:17,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-13 23:11:17,114 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2019-01-13 23:11:17,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:11:17,116 INFO L225 Difference]: With dead ends: 87 [2019-01-13 23:11:17,116 INFO L226 Difference]: Without dead ends: 77 [2019-01-13 23:11:17,117 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=23, Invalid=36, Unknown=1, NotChecked=12, Total=72 [2019-01-13 23:11:17,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2019-01-13 23:11:17,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 66. [2019-01-13 23:11:17,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2019-01-13 23:11:17,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 71 transitions. [2019-01-13 23:11:17,125 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 71 transitions. Word has length 24 [2019-01-13 23:11:17,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:11:17,126 INFO L480 AbstractCegarLoop]: Abstraction has 66 states and 71 transitions. [2019-01-13 23:11:17,127 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-13 23:11:17,127 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 71 transitions. [2019-01-13 23:11:17,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-13 23:11:17,128 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:11:17,128 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:11:17,128 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, 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_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:11:17,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:11:17,131 INFO L82 PathProgramCache]: Analyzing trace with hash 561523696, now seen corresponding path program 1 times [2019-01-13 23:11:17,131 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:11:17,132 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:11:17,151 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:11:17,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:11:17,198 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:11:17,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:11:17,239 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:11:17,243 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:11:17,243 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:11:17,244 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:11:17,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:11:17,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:11:17,244 INFO L87 Difference]: Start difference. First operand 66 states and 71 transitions. Second operand 5 states. [2019-01-13 23:11:17,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:11:17,344 INFO L93 Difference]: Finished difference Result 68 states and 70 transitions. [2019-01-13 23:11:17,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:11:17,347 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-01-13 23:11:17,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:11:17,349 INFO L225 Difference]: With dead ends: 68 [2019-01-13 23:11:17,349 INFO L226 Difference]: Without dead ends: 68 [2019-01-13 23:11:17,349 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:11:17,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-01-13 23:11:17,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2019-01-13 23:11:17,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2019-01-13 23:11:17,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 70 transitions. [2019-01-13 23:11:17,361 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 70 transitions. Word has length 24 [2019-01-13 23:11:17,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:11:17,363 INFO L480 AbstractCegarLoop]: Abstraction has 66 states and 70 transitions. [2019-01-13 23:11:17,363 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:11:17,363 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 70 transitions. [2019-01-13 23:11:17,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-01-13 23:11:17,364 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:11:17,364 INFO L402 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] [2019-01-13 23:11:17,366 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, 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_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:11:17,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:11:17,366 INFO L82 PathProgramCache]: Analyzing trace with hash -1143091504, now seen corresponding path program 1 times [2019-01-13 23:11:17,367 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:11:17,367 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:11:17,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:11:17,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:11:17,476 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:11:17,499 INFO L478 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 [2019-01-13 23:11:17,499 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:11:17,522 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:11:17,522 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-01-13 23:11:17,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:11:17,734 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:11:17,739 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:11:17,740 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:11:17,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-13 23:11:17,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-13 23:11:17,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-01-13 23:11:17,742 INFO L87 Difference]: Start difference. First operand 66 states and 70 transitions. Second operand 6 states. [2019-01-13 23:11:18,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:11:18,217 INFO L93 Difference]: Finished difference Result 76 states and 79 transitions. [2019-01-13 23:11:18,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-13 23:11:18,217 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2019-01-13 23:11:18,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:11:18,219 INFO L225 Difference]: With dead ends: 76 [2019-01-13 23:11:18,219 INFO L226 Difference]: Without dead ends: 76 [2019-01-13 23:11:18,219 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-01-13 23:11:18,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2019-01-13 23:11:18,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 65. [2019-01-13 23:11:18,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-01-13 23:11:18,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 69 transitions. [2019-01-13 23:11:18,226 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 69 transitions. Word has length 25 [2019-01-13 23:11:18,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:11:18,226 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 69 transitions. [2019-01-13 23:11:18,226 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-13 23:11:18,226 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 69 transitions. [2019-01-13 23:11:18,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-01-13 23:11:18,228 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:11:18,229 INFO L402 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, 1, 1] [2019-01-13 23:11:18,229 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, 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_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:11:18,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:11:18,230 INFO L82 PathProgramCache]: Analyzing trace with hash 1106645603, now seen corresponding path program 1 times [2019-01-13 23:11:18,232 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:11:18,232 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:11:18,250 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:11:18,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:11:18,318 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:11:18,323 INFO L478 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 [2019-01-13 23:11:18,324 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:11:18,328 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:11:18,328 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-01-13 23:11:18,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:11:18,458 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:11:18,460 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:11:18,460 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-13 23:11:18,460 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-13 23:11:18,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-13 23:11:18,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-01-13 23:11:18,461 INFO L87 Difference]: Start difference. First operand 65 states and 69 transitions. Second operand 7 states. [2019-01-13 23:11:18,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:11:18,901 INFO L93 Difference]: Finished difference Result 75 states and 78 transitions. [2019-01-13 23:11:18,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-13 23:11:18,901 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 29 [2019-01-13 23:11:18,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:11:18,903 INFO L225 Difference]: With dead ends: 75 [2019-01-13 23:11:18,903 INFO L226 Difference]: Without dead ends: 75 [2019-01-13 23:11:18,904 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2019-01-13 23:11:18,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-01-13 23:11:18,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 65. [2019-01-13 23:11:18,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-01-13 23:11:18,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 68 transitions. [2019-01-13 23:11:18,911 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 68 transitions. Word has length 29 [2019-01-13 23:11:18,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:11:18,911 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 68 transitions. [2019-01-13 23:11:18,911 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-13 23:11:18,912 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 68 transitions. [2019-01-13 23:11:18,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-01-13 23:11:18,912 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:11:18,913 INFO L402 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, 1, 1] [2019-01-13 23:11:18,913 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, 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_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:11:18,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:11:18,914 INFO L82 PathProgramCache]: Analyzing trace with hash 1106645604, now seen corresponding path program 1 times [2019-01-13 23:11:18,916 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:11:18,916 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:11:18,933 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:11:19,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:11:19,018 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:11:19,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:11:19,124 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:11:19,127 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:11:19,128 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:11:19,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:11:19,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:11:19,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:11:19,129 INFO L87 Difference]: Start difference. First operand 65 states and 68 transitions. Second operand 5 states. [2019-01-13 23:11:19,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:11:19,157 INFO L93 Difference]: Finished difference Result 52 states and 54 transitions. [2019-01-13 23:11:19,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:11:19,160 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2019-01-13 23:11:19,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:11:19,160 INFO L225 Difference]: With dead ends: 52 [2019-01-13 23:11:19,160 INFO L226 Difference]: Without dead ends: 48 [2019-01-13 23:11:19,161 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:11:19,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2019-01-13 23:11:19,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2019-01-13 23:11:19,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-01-13 23:11:19,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 50 transitions. [2019-01-13 23:11:19,165 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 50 transitions. Word has length 29 [2019-01-13 23:11:19,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:11:19,165 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 50 transitions. [2019-01-13 23:11:19,165 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:11:19,165 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 50 transitions. [2019-01-13 23:11:19,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-01-13 23:11:19,166 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:11:19,166 INFO L402 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, 1, 1] [2019-01-13 23:11:19,168 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, 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_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:11:19,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:11:19,169 INFO L82 PathProgramCache]: Analyzing trace with hash 2103717956, now seen corresponding path program 1 times [2019-01-13 23:11:19,169 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:11:19,169 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:11:19,188 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:11:19,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:11:19,269 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:11:19,274 INFO L478 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 [2019-01-13 23:11:19,274 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:11:19,277 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:11:19,278 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-01-13 23:11:19,733 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (= (store |c_old(#valid)| |ldv_malloc_#t~malloc12.base| (_ bv1 1)) |c_#valid|)) is different from true [2019-01-13 23:11:19,752 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2019-01-13 23:11:19,753 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:11:19,761 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-01-13 23:11:19,761 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:11 [2019-01-13 23:11:19,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:11:19,819 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:11:19,821 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:11:19,821 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-13 23:11:19,821 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-13 23:11:19,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-13 23:11:19,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=29, Unknown=1, NotChecked=10, Total=56 [2019-01-13 23:11:19,822 INFO L87 Difference]: Start difference. First operand 48 states and 50 transitions. Second operand 8 states. [2019-01-13 23:11:24,430 WARN L181 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 7 [2019-01-13 23:11:25,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:11:25,205 INFO L93 Difference]: Finished difference Result 56 states and 59 transitions. [2019-01-13 23:11:25,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-13 23:11:25,206 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2019-01-13 23:11:25,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:11:25,207 INFO L225 Difference]: With dead ends: 56 [2019-01-13 23:11:25,207 INFO L226 Difference]: Without dead ends: 56 [2019-01-13 23:11:25,207 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=43, Invalid=84, Unknown=9, NotChecked=20, Total=156 [2019-01-13 23:11:25,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2019-01-13 23:11:25,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 47. [2019-01-13 23:11:25,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-01-13 23:11:25,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 49 transitions. [2019-01-13 23:11:25,212 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 49 transitions. Word has length 29 [2019-01-13 23:11:25,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:11:25,213 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 49 transitions. [2019-01-13 23:11:25,214 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-13 23:11:25,214 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 49 transitions. [2019-01-13 23:11:25,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-01-13 23:11:25,215 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:11:25,215 INFO L402 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, 1, 1] [2019-01-13 23:11:25,216 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, 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_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:11:25,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:11:25,217 INFO L82 PathProgramCache]: Analyzing trace with hash 2103717957, now seen corresponding path program 1 times [2019-01-13 23:11:25,217 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:11:25,217 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:11:25,237 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:11:25,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:11:25,323 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:11:25,347 INFO L478 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 [2019-01-13 23:11:25,347 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:11:25,433 INFO L478 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 [2019-01-13 23:11:25,433 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:11:25,454 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:11:25,454 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-01-13 23:11:26,588 WARN L860 $PredicateComparison]: unable to prove that (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= |c_#length| (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size)) (= (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|) (_ bv0 1)))) is different from true [2019-01-13 23:11:26,605 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:11:26,607 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:11:26,608 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 4 [2019-01-13 23:11:26,608 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:11:26,628 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2019-01-13 23:11:26,629 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:11:26,646 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:11:26,647 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:27, output treesize:9 [2019-01-13 23:11:26,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:11:26,730 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:11:26,739 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:11:26,739 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-01-13 23:11:26,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-13 23:11:26,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-13 23:11:26,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=39, Unknown=1, NotChecked=12, Total=72 [2019-01-13 23:11:26,740 INFO L87 Difference]: Start difference. First operand 47 states and 49 transitions. Second operand 9 states. [2019-01-13 23:11:27,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:11:27,115 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2019-01-13 23:11:27,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-01-13 23:11:27,116 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 29 [2019-01-13 23:11:27,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:11:27,117 INFO L225 Difference]: With dead ends: 48 [2019-01-13 23:11:27,118 INFO L226 Difference]: Without dead ends: 48 [2019-01-13 23:11:27,118 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=39, Invalid=74, Unknown=1, NotChecked=18, Total=132 [2019-01-13 23:11:27,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2019-01-13 23:11:27,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 46. [2019-01-13 23:11:27,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-01-13 23:11:27,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 48 transitions. [2019-01-13 23:11:27,123 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 48 transitions. Word has length 29 [2019-01-13 23:11:27,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:11:27,123 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 48 transitions. [2019-01-13 23:11:27,124 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-13 23:11:27,124 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2019-01-13 23:11:27,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-01-13 23:11:27,124 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:11:27,124 INFO L402 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, 1, 1, 1, 1, 1, 1] [2019-01-13 23:11:27,128 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, 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_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:11:27,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:11:27,128 INFO L82 PathProgramCache]: Analyzing trace with hash 726571459, now seen corresponding path program 1 times [2019-01-13 23:11:27,128 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:11:27,128 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:11:27,153 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:11:27,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:11:27,249 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:11:27,286 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 17 [2019-01-13 23:11:27,296 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:11:27,304 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 15 [2019-01-13 23:11:27,304 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2019-01-13 23:11:27,412 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-01-13 23:11:27,424 INFO L478 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2019-01-13 23:11:27,458 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:11:27,459 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2019-01-13 23:11:27,459 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-13 23:11:27,470 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:11:27,485 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2019-01-13 23:11:27,485 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:18, output treesize:19 [2019-01-13 23:11:27,603 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:11:27,604 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2019-01-13 23:11:27,605 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:11:27,608 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-01-13 23:11:27,609 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2019-01-13 23:11:29,644 WARN L860 $PredicateComparison]: unable to prove that (exists ((probe1_6_~p~0.base (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| probe1_6_~p~0.base)) (= |c_#valid| (store |c_old(#valid)| probe1_6_~p~0.base (_ bv0 1))))) is different from true [2019-01-13 23:11:33,688 WARN L181 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 16 [2019-01-13 23:11:34,524 WARN L860 $PredicateComparison]: unable to prove that (exists ((|v_entry_point_~#a7~0.base_9| (_ BitVec 32)) (probe1_6_~p~0.base (_ BitVec 32))) (let ((.cse0 (store |c_old(#valid)| |v_entry_point_~#a7~0.base_9| (_ bv1 1)))) (and (= (select .cse0 probe1_6_~p~0.base) (_ bv0 1)) (= (store (store .cse0 probe1_6_~p~0.base (_ bv0 1)) |v_entry_point_~#a7~0.base_9| (_ bv0 1)) |c_#valid|) (= (_ bv0 1) (select |c_old(#valid)| |v_entry_point_~#a7~0.base_9|))))) is different from true [2019-01-13 23:11:34,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:11:34,571 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:11:34,574 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:11:34,574 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-01-13 23:11:34,575 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-01-13 23:11:34,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-01-13 23:11:34,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=81, Unknown=3, NotChecked=38, Total=156 [2019-01-13 23:11:34,576 INFO L87 Difference]: Start difference. First operand 46 states and 48 transitions. Second operand 13 states. [2019-01-13 23:11:54,658 WARN L181 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 12 DAG size of output: 10 [2019-01-13 23:12:03,233 WARN L181 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2019-01-13 23:12:07,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:12:07,351 INFO L93 Difference]: Finished difference Result 55 states and 58 transitions. [2019-01-13 23:12:07,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-01-13 23:12:07,352 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 33 [2019-01-13 23:12:07,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:12:07,353 INFO L225 Difference]: With dead ends: 55 [2019-01-13 23:12:07,354 INFO L226 Difference]: Without dead ends: 43 [2019-01-13 23:12:07,354 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 14.6s TimeCoverageRelationStatistics Valid=43, Invalid=117, Unknown=4, NotChecked=46, Total=210 [2019-01-13 23:12:07,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-01-13 23:12:07,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-01-13 23:12:07,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-01-13 23:12:07,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2019-01-13 23:12:07,360 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 33 [2019-01-13 23:12:07,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:12:07,361 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2019-01-13 23:12:07,361 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-01-13 23:12:07,361 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2019-01-13 23:12:07,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-01-13 23:12:07,361 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:12:07,362 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:12:07,362 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, 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_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:12:07,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:12:07,363 INFO L82 PathProgramCache]: Analyzing trace with hash -1653368418, now seen corresponding path program 1 times [2019-01-13 23:12:07,363 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:12:07,363 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:12:07,390 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:12:07,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:12:07,439 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:12:07,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:12:07,651 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:12:07,654 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:12:07,654 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:12:07,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:12:07,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:12:07,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:12:07,656 INFO L87 Difference]: Start difference. First operand 43 states and 43 transitions. Second operand 5 states. [2019-01-13 23:12:07,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:12:07,722 INFO L93 Difference]: Finished difference Result 43 states and 42 transitions. [2019-01-13 23:12:07,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:12:07,723 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2019-01-13 23:12:07,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:12:07,724 INFO L225 Difference]: With dead ends: 43 [2019-01-13 23:12:07,724 INFO L226 Difference]: Without dead ends: 43 [2019-01-13 23:12:07,725 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:12:07,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-01-13 23:12:07,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-01-13 23:12:07,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-01-13 23:12:07,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 42 transitions. [2019-01-13 23:12:07,727 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 42 transitions. Word has length 38 [2019-01-13 23:12:07,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:12:07,728 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 42 transitions. [2019-01-13 23:12:07,729 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:12:07,729 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 42 transitions. [2019-01-13 23:12:07,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-01-13 23:12:07,730 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:12:07,730 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:12:07,730 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, 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_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:12:07,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:12:07,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1416623259, now seen corresponding path program 1 times [2019-01-13 23:12:07,733 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:12:07,733 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:12:07,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:12:07,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-13 23:12:07,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-13 23:12:08,029 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-13 23:12:08,066 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-01-13 23:12:08,074 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-13 23:12:08,075 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-13 23:12:08,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.01 11:12:08 BoogieIcfgContainer [2019-01-13 23:12:08,100 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-13 23:12:08,100 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-13 23:12:08,101 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-13 23:12:08,101 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-13 23:12:08,101 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:10:29" (3/4) ... [2019-01-13 23:12:08,110 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-13 23:12:08,110 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-13 23:12:08,112 INFO L168 Benchmark]: Toolchain (without parser) took 102454.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 213.9 MB). Free memory was 946.0 MB in the beginning and 887.1 MB in the end (delta: 58.9 MB). Peak memory consumption was 272.8 MB. Max. memory is 11.5 GB. [2019-01-13 23:12:08,120 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 23:12:08,120 INFO L168 Benchmark]: CACSL2BoogieTranslator took 900.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -165.4 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. [2019-01-13 23:12:08,121 INFO L168 Benchmark]: Boogie Preprocessor took 106.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-01-13 23:12:08,122 INFO L168 Benchmark]: RCFGBuilder took 2977.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 999.4 MB in the end (delta: 105.3 MB). Peak memory consumption was 105.3 MB. Max. memory is 11.5 GB. [2019-01-13 23:12:08,123 INFO L168 Benchmark]: TraceAbstraction took 98451.22 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 63.4 MB). Free memory was 999.4 MB in the beginning and 894.3 MB in the end (delta: 105.1 MB). Peak memory consumption was 168.5 MB. Max. memory is 11.5 GB. [2019-01-13 23:12:08,128 INFO L168 Benchmark]: Witness Printer took 9.48 ms. Allocated memory is still 1.2 GB. Free memory was 894.3 MB in the beginning and 887.1 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2019-01-13 23:12:08,135 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 900.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -165.4 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 106.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2977.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 999.4 MB in the end (delta: 105.3 MB). Peak memory consumption was 105.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 98451.22 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 63.4 MB). Free memory was 999.4 MB in the beginning and 894.3 MB in the end (delta: 105.1 MB). Peak memory consumption was 168.5 MB. Max. memory is 11.5 GB. * Witness Printer took 9.48 ms. Allocated memory is still 1.2 GB. Free memory was 894.3 MB in the beginning and 887.1 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1473]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1473. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={-1073746054:0}] [L1474] CALL entry_point() VAL [ldv_global_msg_list={-1073746054:0}] [L1466] struct A a7; VAL [a7={-10:0}, ldv_global_msg_list={-1073746054:0}] [L1467] CALL, EXPR probe1_6(&a7) VAL [a={-10:0}, ldv_global_msg_list={-1073746054:0}] [L1443] int ret = - -3; VAL [a={-10:0}, a={-10:0}, ldv_global_msg_list={-1073746054:0}, ret=3] [L1444] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={-1073746054:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=4, \result={-1:0}, ldv_global_msg_list={-1073746054:0}, malloc(size)={-1:0}, size=4] [L1444] RET, EXPR ldv_malloc(sizeof(int)) VAL [a={-10:0}, a={-10:0}, ldv_global_msg_list={-1073746054:0}, ldv_malloc(sizeof(int))={-1:0}, ret=3] [L1444] int *p = (int *)ldv_malloc(sizeof(int)); [L1445] COND FALSE !(p==0) VAL [a={-10:0}, a={-10:0}, ldv_global_msg_list={-1073746054:0}, p={-1:0}, ret=3] [L1447] CALL, EXPR f6() VAL [ldv_global_msg_list={-1073746054:0}] [L1435] return __VERIFIER_nondet_int(); [L1447] RET, EXPR f6() VAL [a={-10:0}, a={-10:0}, f6()=0, ldv_global_msg_list={-1073746054:0}, p={-1:0}, ret=3] [L1447] ret = f6() [L1448] COND FALSE !(ret<0) VAL [a={-10:0}, a={-10:0}, ldv_global_msg_list={-1073746054:0}, p={-1:0}, ret=0] [L1450] CALL, EXPR g6() VAL [ldv_global_msg_list={-1073746054:0}] [L1439] return __VERIFIER_nondet_int(); [L1450] RET, EXPR g6() VAL [a={-10:0}, a={-10:0}, g6()=0, ldv_global_msg_list={-1073746054:0}, p={-1:0}, ret=0] [L1450] ret = g6() [L1451] COND FALSE !(ret<0) VAL [a={-10:0}, a={-10:0}, ldv_global_msg_list={-1073746054:0}, p={-1:0}, ret=0] [L1453] a->p = p VAL [a={-10:0}, a={-10:0}, ldv_global_msg_list={-1073746054:0}, p={-1:0}, ret=0] [L1454] return 0; VAL [\result=0, a={-10:0}, a={-10:0}, ldv_global_msg_list={-1073746054:0}, p={-1:0}, ret=0] [L1467] RET, EXPR probe1_6(&a7) VAL [a7={-10:0}, ldv_global_msg_list={-1073746054:0}, probe1_6(&a7)=0] [L1467] int ret = probe1_6(&a7); [L1468] COND TRUE ret==0 VAL [a7={-10:0}, ldv_global_msg_list={-1073746054:0}, ret=0] [L1469] FCALL disconnect_2_6(&a7) VAL [a7={-10:0}, ldv_global_msg_list={-1073746054:0}, ret=0] [L1474] RET entry_point() VAL [ldv_global_msg_list={-1073746054:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 48 procedures, 352 locations, 76 error locations. UNSAFE Result, 98.3s OverallTime, 13 OverallIterations, 1 TraceHistogramMax, 83.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 610 SDtfs, 418 SDslu, 1479 SDs, 0 SdLazy, 853 SolverSat, 128 SolverUnsat, 31 SolverUnknown, 0 SolverNotchecked, 67.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 336 GetRequests, 248 SyntacticMatches, 14 SemanticMatches, 74 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 27.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 70 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 12.5s InterpolantComputationTime, 373 NumberOfCodeBlocks, 373 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 319 ConstructedInterpolants, 50 QuantifiedInterpolants, 39787 SizeOfPredicates, 21 NumberOfNonLiveVariables, 1304 ConjunctsInSsa, 104 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...