/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 20:59:40,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 20:59:40,324 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 20:59:40,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 20:59:40,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 20:59:40,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 20:59:40,365 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 20:59:40,368 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 20:59:40,370 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 20:59:40,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 20:59:40,373 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 20:59:40,375 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 20:59:40,375 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 20:59:40,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 20:59:40,378 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 20:59:40,380 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 20:59:40,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 20:59:40,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 20:59:40,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 20:59:40,388 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 20:59:40,390 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 20:59:40,392 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 20:59:40,393 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 20:59:40,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 20:59:40,412 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 20:59:40,413 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 20:59:40,413 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 20:59:40,414 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 20:59:40,415 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 20:59:40,417 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 20:59:40,417 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 20:59:40,418 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 20:59:40,420 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 20:59:40,421 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 20:59:40,422 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 20:59:40,423 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 20:59:40,424 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 20:59:40,424 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 20:59:40,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 20:59:40,426 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 20:59:40,427 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 20:59:40,429 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-28 20:59:40,457 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 20:59:40,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 20:59:40,459 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 20:59:40,460 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 20:59:40,460 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 20:59:40,460 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 20:59:40,461 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 20:59:40,461 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 20:59:40,461 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 20:59:40,461 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 20:59:40,462 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 20:59:40,462 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 20:59:40,462 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 20:59:40,462 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 20:59:40,463 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 20:59:40,463 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 20:59:40,463 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 20:59:40,463 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 20:59:40,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 20:59:40,464 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 20:59:40,464 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 20:59:40,464 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 20:59:40,465 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 20:59:40,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 20:59:40,465 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 20:59:40,465 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 20:59:40,466 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 20:59:40,466 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 20:59:40,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 20:59:40,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 20:59:40,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 20:59:40,958 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 20:59:40,959 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 20:59:40,960 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2020-10-28 20:59:41,060 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5993164d0/1d7f14654cb34d43ae16399248bbe790/FLAG7911b8658 [2020-10-28 20:59:42,266 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 20:59:42,267 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2020-10-28 20:59:42,321 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5993164d0/1d7f14654cb34d43ae16399248bbe790/FLAG7911b8658 [2020-10-28 20:59:42,706 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5993164d0/1d7f14654cb34d43ae16399248bbe790 [2020-10-28 20:59:42,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 20:59:42,717 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 20:59:42,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 20:59:42,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 20:59:42,724 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 20:59:42,725 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:59:42" (1/1) ... [2020-10-28 20:59:42,729 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b3fef8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:42, skipping insertion in model container [2020-10-28 20:59:42,729 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:59:42" (1/1) ... [2020-10-28 20:59:42,738 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 20:59:42,836 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 20:59:44,415 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 20:59:44,436 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 20:59:44,854 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 20:59:45,069 INFO L208 MainTranslator]: Completed translation [2020-10-28 20:59:45,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:45 WrapperNode [2020-10-28 20:59:45,070 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 20:59:45,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 20:59:45,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 20:59:45,072 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 20:59:45,086 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:45" (1/1) ... [2020-10-28 20:59:45,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:45" (1/1) ... [2020-10-28 20:59:45,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:45" (1/1) ... [2020-10-28 20:59:45,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:45" (1/1) ... [2020-10-28 20:59:45,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:45" (1/1) ... [2020-10-28 20:59:45,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:45" (1/1) ... [2020-10-28 20:59:45,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:45" (1/1) ... [2020-10-28 20:59:45,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 20:59:45,407 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 20:59:45,407 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 20:59:45,407 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 20:59:45,409 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:45" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-28 20:59:45,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 20:59:45,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 20:59:45,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-10-28 20:59:45,516 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 20:59:45,516 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-28 20:59:45,516 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-28 20:59:45,516 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-10-28 20:59:45,516 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-28 20:59:45,517 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-28 20:59:45,517 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-28 20:59:45,517 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-28 20:59:45,517 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2020-10-28 20:59:45,517 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 20:59:45,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-28 20:59:45,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 20:59:45,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-28 20:59:45,518 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-28 20:59:45,518 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-28 20:59:45,518 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2020-10-28 20:59:45,518 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2020-10-28 20:59:45,519 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2020-10-28 20:59:45,519 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2020-10-28 20:59:45,519 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2020-10-28 20:59:45,519 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_supported [2020-10-28 20:59:45,519 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2020-10-28 20:59:45,519 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2020-10-28 20:59:45,520 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2020-10-28 20:59:45,520 INFO L138 BoogieDeclarations]: Found implementation of procedure request_module_async [2020-10-28 20:59:45,520 INFO L138 BoogieDeclarations]: Found implementation of procedure request_modules [2020-10-28 20:59:45,520 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_request_modules [2020-10-28 20:59:45,520 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_start_dma [2020-10-28 20:59:45,520 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_stop_dma [2020-10-28 20:59:45,521 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_restart_queue [2020-10-28 20:59:45,521 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_buf_prepare [2020-10-28 20:59:45,521 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_buf_queue [2020-10-28 20:59:45,521 INFO L138 BoogieDeclarations]: Found implementation of procedure do_cancel_buffers [2020-10-28 20:59:45,521 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_cancel_buffers [2020-10-28 20:59:45,521 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_timeout [2020-10-28 20:59:45,522 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_mpeg_irq [2020-10-28 20:59:45,522 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_irq [2020-10-28 20:59:45,522 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_init_common [2020-10-28 20:59:45,522 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_fini_common [2020-10-28 20:59:45,522 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_suspend_common [2020-10-28 20:59:45,522 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_resume_common [2020-10-28 20:59:45,522 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_get_driver [2020-10-28 20:59:45,522 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_request_acquire [2020-10-28 20:59:45,523 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_request_release [2020-10-28 20:59:45,523 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_check_driver [2020-10-28 20:59:45,523 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_register_driver [2020-10-28 20:59:45,523 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_unregister_driver [2020-10-28 20:59:45,523 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_probe [2020-10-28 20:59:45,523 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_remove [2020-10-28 20:59:45,523 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_init [2020-10-28 20:59:45,524 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_fini [2020-10-28 20:59:45,524 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 20:59:45,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-10-28 20:59:45,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_2 [2020-10-28 20:59:45,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_3 [2020-10-28 20:59:45,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_4 [2020-10-28 20:59:45,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-10-28 20:59:45,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2020-10-28 20:59:45,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-10-28 20:59:45,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2020-10-28 20:59:45,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-10-28 20:59:45,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2020-10-28 20:59:45,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2020-10-28 20:59:45,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2020-10-28 20:59:45,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2020-10-28 20:59:45,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-28 20:59:45,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-28 20:59:45,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_cx88_core [2020-10-28 20:59:45,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_cx88_core [2020-10-28 20:59:45,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_cx88_core [2020-10-28 20:59:45,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_cx88_core [2020-10-28 20:59:45,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_cx88_core [2020-10-28 20:59:45,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_cx88_core [2020-10-28 20:59:45,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_cx88_core [2020-10-28 20:59:45,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_v4l2_ctrl_handler [2020-10-28 20:59:45,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_v4l2_ctrl_handler [2020-10-28 20:59:45,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_v4l2_ctrl_handler [2020-10-28 20:59:45,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_v4l2_ctrl_handler [2020-10-28 20:59:45,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_v4l2_ctrl_handler [2020-10-28 20:59:45,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_v4l2_ctrl_handler [2020-10-28 20:59:45,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_v4l2_ctrl_handler [2020-10-28 20:59:45,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-28 20:59:45,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-28 20:59:45,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-10-28 20:59:45,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-10-28 20:59:45,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-28 20:59:45,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-28 20:59:45,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-10-28 20:59:45,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_vb_lock_of_videobuf_queue [2020-10-28 20:59:45,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_vb_lock_of_videobuf_queue [2020-10-28 20:59:45,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_vb_lock_of_videobuf_queue [2020-10-28 20:59:45,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_vb_lock_of_videobuf_queue [2020-10-28 20:59:45,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_vb_lock_of_videobuf_queue [2020-10-28 20:59:45,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_vb_lock_of_videobuf_queue [2020-10-28 20:59:45,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_vb_lock_of_videobuf_queue [2020-10-28 20:59:45,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 20:59:45,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 20:59:45,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-10-28 20:59:45,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2020-10-28 20:59:45,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-28 20:59:45,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2020-10-28 20:59:45,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-28 20:59:45,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2020-10-28 20:59:45,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2020-10-28 20:59:45,532 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-28 20:59:45,532 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-28 20:59:45,532 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-28 20:59:45,532 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-28 20:59:45,532 INFO L138 BoogieDeclarations]: Found implementation of procedure btcx_riscmem_free [2020-10-28 20:59:45,532 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_core_get [2020-10-28 20:59:45,532 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_core_irq [2020-10-28 20:59:45,533 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_core_put [2020-10-28 20:59:45,533 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_free_buffer [2020-10-28 20:59:45,533 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_print_irqbits [2020-10-28 20:59:45,533 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_reset [2020-10-28 20:59:45,533 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_risc_databuffer [2020-10-28 20:59:45,533 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_risc_stopper [2020-10-28 20:59:45,533 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_shutdown [2020-10-28 20:59:45,534 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_dump [2020-10-28 20:59:45,534 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_setup [2020-10-28 20:59:45,534 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_wakeup [2020-10-28 20:59:45,534 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2020-10-28 20:59:45,534 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2020-10-28 20:59:45,534 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-28 20:59:45,534 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-28 20:59:45,534 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_supported [2020-10-28 20:59:45,535 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work_sync [2020-10-28 20:59:45,535 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2020-10-28 20:59:45,535 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2020-10-28 20:59:45,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-10-28 20:59:45,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2020-10-28 20:59:45,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2020-10-28 20:59:45,536 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-10-28 20:59:45,536 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2020-10-28 20:59:45,536 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2020-10-28 20:59:45,536 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2020-10-28 20:59:45,536 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-28 20:59:45,536 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-10-28 20:59:45,536 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-28 20:59:45,537 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_byte [2020-10-28 20:59:45,537 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2020-10-28 20:59:45,537 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2020-10-28 20:59:45,537 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2020-10-28 20:59:45,537 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2020-10-28 20:59:45,537 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2020-10-28 20:59:45,537 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2020-10-28 20:59:45,538 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2020-10-28 20:59:45,538 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2020-10-28 20:59:45,538 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-28 20:59:45,538 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2020-10-28 20:59:45,538 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2020-10-28 20:59:45,538 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_iolock [2020-10-28 20:59:45,538 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_to_dma [2020-10-28 20:59:45,539 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 20:59:45,539 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-28 20:59:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 20:59:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 20:59:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 20:59:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 20:59:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 20:59:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 20:59:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-28 20:59:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-28 20:59:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-28 20:59:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 20:59:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-28 20:59:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-28 20:59:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 20:59:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-10-28 20:59:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-10-28 20:59:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2020-10-28 20:59:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-10-28 20:59:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_2 [2020-10-28 20:59:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-28 20:59:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_3 [2020-10-28 20:59:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-10-28 20:59:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-10-28 20:59:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-10-28 20:59:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2020-10-28 20:59:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2020-10-28 20:59:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-28 20:59:45,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-10-28 20:59:45,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_4 [2020-10-28 20:59:45,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2020-10-28 20:59:45,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2020-10-28 20:59:45,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2020-10-28 20:59:45,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2020-10-28 20:59:45,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_cx88_core [2020-10-28 20:59:45,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_cx88_core [2020-10-28 20:59:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_v4l2_ctrl_handler [2020-10-28 20:59:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_v4l2_ctrl_handler [2020-10-28 20:59:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-10-28 20:59:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-10-28 20:59:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-10-28 20:59:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_vb_lock_of_videobuf_queue [2020-10-28 20:59:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_vb_lock_of_videobuf_queue [2020-10-28 20:59:45,545 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-28 20:59:45,545 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-28 20:59:45,545 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-28 20:59:45,545 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-28 20:59:45,545 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-28 20:59:45,545 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-28 20:59:45,545 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-28 20:59:45,546 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-28 20:59:45,546 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-28 20:59:45,546 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2020-10-28 20:59:45,546 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-10-28 20:59:45,546 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2020-10-28 20:59:45,546 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2020-10-28 20:59:45,546 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2020-10-28 20:59:45,546 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2020-10-28 20:59:45,547 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2020-10-28 20:59:45,547 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2020-10-28 20:59:45,547 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2020-10-28 20:59:45,547 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work_sync [2020-10-28 20:59:45,547 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2020-10-28 20:59:45,547 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2020-10-28 20:59:45,547 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 20:59:45,547 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 20:59:45,548 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 20:59:45,548 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 20:59:45,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-28 20:59:45,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 20:59:45,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 20:59:45,548 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-28 20:59:45,548 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-28 20:59:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-28 20:59:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-28 20:59:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2020-10-28 20:59:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-28 20:59:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-28 20:59:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2020-10-28 20:59:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2020-10-28 20:59:45,550 INFO L130 BoogieDeclarations]: Found specification of procedure dma_supported [2020-10-28 20:59:45,550 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2020-10-28 20:59:45,550 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2020-10-28 20:59:45,550 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2020-10-28 20:59:45,550 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_byte [2020-10-28 20:59:45,550 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2020-10-28 20:59:45,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 20:59:45,550 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2020-10-28 20:59:45,551 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2020-10-28 20:59:45,551 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2020-10-28 20:59:45,551 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2020-10-28 20:59:45,551 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2020-10-28 20:59:45,551 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2020-10-28 20:59:45,551 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2020-10-28 20:59:45,551 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2020-10-28 20:59:45,551 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2020-10-28 20:59:45,552 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_supported [2020-10-28 20:59:45,552 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2020-10-28 20:59:45,552 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2020-10-28 20:59:45,552 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2020-10-28 20:59:45,552 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_iolock [2020-10-28 20:59:45,552 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_to_dma [2020-10-28 20:59:45,552 INFO L130 BoogieDeclarations]: Found specification of procedure btcx_riscmem_free [2020-10-28 20:59:45,552 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_print_irqbits [2020-10-28 20:59:45,552 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_core_irq [2020-10-28 20:59:45,553 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_wakeup [2020-10-28 20:59:45,553 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_shutdown [2020-10-28 20:59:45,553 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_reset [2020-10-28 20:59:45,553 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_risc_databuffer [2020-10-28 20:59:45,553 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_risc_stopper [2020-10-28 20:59:45,553 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_free_buffer [2020-10-28 20:59:45,554 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_setup [2020-10-28 20:59:45,554 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_dump [2020-10-28 20:59:45,554 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_core_get [2020-10-28 20:59:45,554 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_core_put [2020-10-28 20:59:45,554 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_register_driver [2020-10-28 20:59:45,554 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_unregister_driver [2020-10-28 20:59:45,554 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_get_driver [2020-10-28 20:59:45,554 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_buf_prepare [2020-10-28 20:59:45,555 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_buf_queue [2020-10-28 20:59:45,555 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_cancel_buffers [2020-10-28 20:59:45,555 INFO L130 BoogieDeclarations]: Found specification of procedure request_module_async [2020-10-28 20:59:45,555 INFO L130 BoogieDeclarations]: Found specification of procedure request_modules [2020-10-28 20:59:45,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 20:59:45,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 20:59:45,555 INFO L130 BoogieDeclarations]: Found specification of procedure flush_request_modules [2020-10-28 20:59:45,555 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_start_dma [2020-10-28 20:59:45,556 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_stop_dma [2020-10-28 20:59:45,556 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_restart_queue [2020-10-28 20:59:45,556 INFO L130 BoogieDeclarations]: Found specification of procedure do_cancel_buffers [2020-10-28 20:59:45,556 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_timeout [2020-10-28 20:59:45,556 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_mpeg_irq [2020-10-28 20:59:45,556 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_irq [2020-10-28 20:59:45,556 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_init_common [2020-10-28 20:59:45,556 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_fini_common [2020-10-28 20:59:45,557 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_suspend_common [2020-10-28 20:59:45,557 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_resume_common [2020-10-28 20:59:45,557 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_request_acquire [2020-10-28 20:59:45,557 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-10-28 20:59:45,557 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_request_release [2020-10-28 20:59:45,557 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_check_driver [2020-10-28 20:59:45,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-28 20:59:45,558 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_probe [2020-10-28 20:59:45,558 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_remove [2020-10-28 20:59:45,558 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_init [2020-10-28 20:59:45,558 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_fini [2020-10-28 20:59:45,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 20:59:45,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-10-28 20:59:45,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2020-10-28 20:59:45,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 20:59:45,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2020-10-28 20:59:45,559 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 20:59:45,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-28 20:59:45,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-28 20:59:45,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_cx88_core [2020-10-28 20:59:45,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_cx88_core [2020-10-28 20:59:45,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_cx88_core [2020-10-28 20:59:45,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_cx88_core [2020-10-28 20:59:45,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_cx88_core [2020-10-28 20:59:45,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_v4l2_ctrl_handler [2020-10-28 20:59:45,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_v4l2_ctrl_handler [2020-10-28 20:59:45,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_v4l2_ctrl_handler [2020-10-28 20:59:45,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_v4l2_ctrl_handler [2020-10-28 20:59:45,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_v4l2_ctrl_handler [2020-10-28 20:59:45,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-28 20:59:45,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-28 20:59:45,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-28 20:59:45,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-28 20:59:45,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_vb_lock_of_videobuf_queue [2020-10-28 20:59:45,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_vb_lock_of_videobuf_queue [2020-10-28 20:59:45,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_vb_lock_of_videobuf_queue [2020-10-28 20:59:45,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_vb_lock_of_videobuf_queue [2020-10-28 20:59:45,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_vb_lock_of_videobuf_queue [2020-10-28 20:59:45,561 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-28 20:59:45,561 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-28 20:59:45,561 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 20:59:45,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 20:59:45,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 20:59:45,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 20:59:45,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-28 20:59:45,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 20:59:45,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-28 20:59:45,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-28 20:59:45,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-28 20:59:53,586 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 20:59:53,586 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-28 20:59:53,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:59:53 BoogieIcfgContainer [2020-10-28 20:59:53,591 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 20:59:53,592 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 20:59:53,593 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 20:59:53,596 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 20:59:53,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 08:59:42" (1/3) ... [2020-10-28 20:59:53,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c6b0223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:59:53, skipping insertion in model container [2020-10-28 20:59:53,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:45" (2/3) ... [2020-10-28 20:59:53,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c6b0223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:59:53, skipping insertion in model container [2020-10-28 20:59:53,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:59:53" (3/3) ... [2020-10-28 20:59:53,600 INFO L111 eAbstractionObserver]: Analyzing ICFG m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2020-10-28 20:59:53,611 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 20:59:53,618 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 20:59:53,631 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 20:59:53,664 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 20:59:53,664 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 20:59:53,665 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 20:59:53,665 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 20:59:53,665 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 20:59:53,665 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 20:59:53,665 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 20:59:53,665 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 20:59:53,724 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states. [2020-10-28 20:59:53,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-28 20:59:53,735 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 20:59:53,736 INFO L422 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] [2020-10-28 20:59:53,736 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 20:59:53,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 20:59:53,754 INFO L82 PathProgramCache]: Analyzing trace with hash -1324714268, now seen corresponding path program 1 times [2020-10-28 20:59:53,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 20:59:53,766 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [994801689] [2020-10-28 20:59:53,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 20:59:54,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:59:54,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:59:57,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:59:57,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-28 20:59:57,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:59:57,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2910 [2020-10-28 20:59:57,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:59:57,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:59:57,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:59:57,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 20:59:57,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-28 20:59:57,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 21:00:00,082 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification that was a NOOP. DAG size: 631 [2020-10-28 21:00:00,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:00:00,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:00:00,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:00:00,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:00:00,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:00:00,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:00:00,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 412 [2020-10-28 21:00:00,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:00:00,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:00:00,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:00:00,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:00:00,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:00:00,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:00:00,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:00:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:00:00,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:00:00,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:00:00,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:00:00,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:00:00,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-28 21:00:00,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:00:00,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:00:00,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:00:00,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:00:00,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 21:00:00,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 21:00:00,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 21:00:00,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:00:00,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:00:00,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:00:00,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 21:00:00,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:00:00,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-28 21:00:00,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:00:00,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:00:00,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:00:00,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:00:00,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 21:00:00,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:00:00,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 21:00:00,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:00:00,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:00:00,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:00:00,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 21:00:00,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:00:00,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-28 21:00:00,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:00:00,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:00:00,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:00:00,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:00:00,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 21:00:00,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:00:00,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:00:00,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:00:00,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:00:00,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:00:00,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:00:00,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:00:00,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 21:00:00,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:00:00,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:00:00,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:00:00,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:00:00,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:00:00,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:00:00,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 21:00:00,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [994801689] [2020-10-28 21:00:00,961 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 21:00:00,961 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 21:00:00,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731354167] [2020-10-28 21:00:00,968 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 21:00:00,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 21:00:00,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 21:00:00,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 21:00:00,987 INFO L87 Difference]: Start difference. First operand 1032 states. Second operand 5 states. [2020-10-28 21:00:05,842 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification that was a NOOP. DAG size: 633 [2020-10-28 21:00:30,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 21:00:30,384 INFO L93 Difference]: Finished difference Result 1936 states and 2533 transitions. [2020-10-28 21:00:30,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 21:00:30,387 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-10-28 21:00:30,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 21:00:30,416 INFO L225 Difference]: With dead ends: 1936 [2020-10-28 21:00:30,416 INFO L226 Difference]: Without dead ends: 1178 [2020-10-28 21:00:30,429 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 21:00:30,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1178 states. [2020-10-28 21:00:31,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1178 to 982. [2020-10-28 21:00:31,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 982 states. [2020-10-28 21:00:31,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 982 states and 1240 transitions. [2020-10-28 21:00:31,171 INFO L78 Accepts]: Start accepts. Automaton has 982 states and 1240 transitions. Word has length 30 [2020-10-28 21:00:31,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 21:00:31,171 INFO L481 AbstractCegarLoop]: Abstraction has 982 states and 1240 transitions. [2020-10-28 21:00:31,171 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 21:00:31,172 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 1240 transitions. [2020-10-28 21:00:31,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-28 21:00:31,174 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:00:31,174 INFO L422 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] [2020-10-28 21:00:31,174 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 21:00:31,175 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:00:31,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:00:31,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1271718625, now seen corresponding path program 1 times [2020-10-28 21:00:31,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:00:31,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1007987848] [2020-10-28 21:00:31,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:00:31,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:00:31,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:00:33,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:00:33,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-28 21:00:33,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:00:33,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1943 [2020-10-28 21:00:33,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:00:33,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:00:33,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:00:33,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 21:00:33,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 21:00:33,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:00:35,952 WARN L193 SmtUtils]: Spent 2.53 s on a formula simplification that was a NOOP. DAG size: 631 [2020-10-28 21:00:35,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:00:35,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:00:36,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:00:36,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:00:36,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:00:36,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:00:36,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 353 [2020-10-28 21:00:36,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:00:36,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:00:36,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:00:36,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:00:36,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:00:36,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:00:36,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:00:36,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:00:36,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:00:36,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:00:36,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:00:36,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:00:36,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 21:00:36,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:00:36,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:00:36,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:00:36,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:00:36,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 21:00:36,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:00:36,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 21:00:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:00:36,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:00:36,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:00:36,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 21:00:36,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:00:36,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 21:00:36,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:00:36,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:00:36,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:00:36,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:00:36,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 21:00:36,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:00:36,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 21:00:36,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:00:36,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:00:36,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:00:36,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 21:00:36,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:00:36,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-28 21:00:36,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:00:36,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:00:36,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:00:36,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:00:36,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 21:00:36,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:00:36,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:00:36,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:00:36,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:00:36,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:00:36,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:00:36,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:00:36,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 21:00:36,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:00:36,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:00:36,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:00:36,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:00:36,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:00:36,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:00:36,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 21:00:36,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1007987848] [2020-10-28 21:00:36,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 21:00:36,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 21:00:36,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869513254] [2020-10-28 21:00:36,750 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 21:00:36,750 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 21:00:36,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 21:00:36,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 21:00:36,751 INFO L87 Difference]: Start difference. First operand 982 states and 1240 transitions. Second operand 5 states. [2020-10-28 21:00:42,909 WARN L193 SmtUtils]: Spent 2.66 s on a formula simplification that was a NOOP. DAG size: 633 [2020-10-28 21:01:01,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 21:01:01,193 INFO L93 Difference]: Finished difference Result 1178 states and 1530 transitions. [2020-10-28 21:01:01,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 21:01:01,194 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-10-28 21:01:01,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 21:01:01,205 INFO L225 Difference]: With dead ends: 1178 [2020-10-28 21:01:01,205 INFO L226 Difference]: Without dead ends: 1173 [2020-10-28 21:01:01,207 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 21:01:01,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1173 states. [2020-10-28 21:01:01,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1173 to 981. [2020-10-28 21:01:01,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 981 states. [2020-10-28 21:01:01,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 981 states and 1238 transitions. [2020-10-28 21:01:01,702 INFO L78 Accepts]: Start accepts. Automaton has 981 states and 1238 transitions. Word has length 31 [2020-10-28 21:01:01,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 21:01:01,702 INFO L481 AbstractCegarLoop]: Abstraction has 981 states and 1238 transitions. [2020-10-28 21:01:01,702 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 21:01:01,703 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1238 transitions. [2020-10-28 21:01:01,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-28 21:01:01,705 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:01:01,705 INFO L422 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] [2020-10-28 21:01:01,705 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 21:01:01,705 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:01:01,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:01:01,706 INFO L82 PathProgramCache]: Analyzing trace with hash 161436871, now seen corresponding path program 1 times [2020-10-28 21:01:01,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:01:01,707 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [518977170] [2020-10-28 21:01:01,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:01:01,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:01:01,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:01:03,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:01:03,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 21:01:03,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:01:03,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1764 [2020-10-28 21:01:03,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:01:03,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:01:03,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:01:03,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 21:01:03,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 21:01:03,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:01:06,386 WARN L193 SmtUtils]: Spent 2.66 s on a formula simplification that was a NOOP. DAG size: 631 [2020-10-28 21:01:06,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:01:06,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:01:06,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:01:06,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:01:06,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:01:06,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:01:06,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 345 [2020-10-28 21:01:06,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:01:06,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:01:06,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:01:06,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:01:06,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:01:06,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:01:06,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:01:06,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:01:06,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:01:06,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:01:06,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:01:06,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:01:06,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 21:01:06,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:01:06,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:01:06,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:01:06,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:01:06,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 21:01:06,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:01:06,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 21:01:06,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:01:06,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:01:06,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:01:06,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 21:01:06,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:01:06,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-28 21:01:06,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:01:06,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:01:06,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:01:06,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:01:06,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 21:01:06,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:01:06,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 21:01:06,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:01:07,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:01:07,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:01:07,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 21:01:07,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:01:07,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-28 21:01:07,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:01:07,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:01:07,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:01:07,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:01:07,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 21:01:07,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:01:07,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:01:07,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:01:07,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:01:07,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:01:07,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:01:07,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:01:07,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-28 21:01:07,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:01:07,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:01:07,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:01:07,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:01:07,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:01:07,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:01:07,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 21:01:07,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [518977170] [2020-10-28 21:01:07,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 21:01:07,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 21:01:07,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62667858] [2020-10-28 21:01:07,137 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 21:01:07,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 21:01:07,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 21:01:07,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 21:01:07,138 INFO L87 Difference]: Start difference. First operand 981 states and 1238 transitions. Second operand 5 states. [2020-10-28 21:01:14,184 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification that was a NOOP. DAG size: 633 [2020-10-28 21:01:32,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 21:01:32,444 INFO L93 Difference]: Finished difference Result 1177 states and 1528 transitions. [2020-10-28 21:01:32,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 21:01:32,445 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-10-28 21:01:32,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 21:01:32,455 INFO L225 Difference]: With dead ends: 1177 [2020-10-28 21:01:32,455 INFO L226 Difference]: Without dead ends: 1172 [2020-10-28 21:01:32,457 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 21:01:32,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1172 states. [2020-10-28 21:01:32,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1172 to 980. [2020-10-28 21:01:32,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 980 states. [2020-10-28 21:01:32,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 980 states and 1236 transitions. [2020-10-28 21:01:32,881 INFO L78 Accepts]: Start accepts. Automaton has 980 states and 1236 transitions. Word has length 32 [2020-10-28 21:01:32,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 21:01:32,882 INFO L481 AbstractCegarLoop]: Abstraction has 980 states and 1236 transitions. [2020-10-28 21:01:32,882 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 21:01:32,882 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1236 transitions. [2020-10-28 21:01:32,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-28 21:01:32,883 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:01:32,884 INFO L422 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] [2020-10-28 21:01:32,884 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 21:01:32,884 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:01:32,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:01:32,885 INFO L82 PathProgramCache]: Analyzing trace with hash 107118052, now seen corresponding path program 1 times [2020-10-28 21:01:32,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:01:32,886 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [116151974] [2020-10-28 21:01:32,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:01:32,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:01:33,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:01:34,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:01:34,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-28 21:01:34,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:01:34,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1577 [2020-10-28 21:01:34,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:01:34,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:01:34,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:01:34,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 21:01:34,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-28 21:01:34,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:01:37,227 WARN L193 SmtUtils]: Spent 2.52 s on a formula simplification that was a NOOP. DAG size: 631 [2020-10-28 21:01:37,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:01:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:01:37,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:01:37,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:01:37,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:01:37,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:01:37,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 404 [2020-10-28 21:01:37,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:01:37,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:01:37,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:01:37,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:01:37,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:01:37,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:01:37,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:01:37,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:01:37,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:01:37,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:01:37,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:01:37,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:01:37,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 21:01:37,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:01:37,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:01:37,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:01:37,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:01:37,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 21:01:37,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:01:37,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 21:01:37,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:01:37,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:01:37,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:01:37,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 21:01:37,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:01:37,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 21:01:37,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:01:37,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:01:37,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:01:37,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:01:37,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 21:01:37,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:01:37,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 21:01:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:01:37,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:01:37,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:01:37,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 21:01:37,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:01:37,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 21:01:37,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:01:37,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:01:37,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:01:37,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:01:37,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 21:01:37,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:01:37,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:01:37,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:01:37,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:01:37,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:01:37,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:01:37,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:01:37,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 21:01:37,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:01:37,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:01:37,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:01:37,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:01:37,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:01:37,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:01:37,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 21:01:37,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [116151974] [2020-10-28 21:01:37,939 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 21:01:37,940 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 21:01:37,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017069390] [2020-10-28 21:01:37,940 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 21:01:37,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 21:01:37,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 21:01:37,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 21:01:37,941 INFO L87 Difference]: Start difference. First operand 980 states and 1236 transitions. Second operand 5 states. [2020-10-28 21:01:42,671 WARN L193 SmtUtils]: Spent 2.51 s on a formula simplification that was a NOOP. DAG size: 633 [2020-10-28 21:02:01,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 21:02:01,086 INFO L93 Difference]: Finished difference Result 1176 states and 1526 transitions. [2020-10-28 21:02:01,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 21:02:01,088 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-10-28 21:02:01,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 21:02:01,096 INFO L225 Difference]: With dead ends: 1176 [2020-10-28 21:02:01,096 INFO L226 Difference]: Without dead ends: 1158 [2020-10-28 21:02:01,097 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 21:02:01,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2020-10-28 21:02:01,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 966. [2020-10-28 21:02:01,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 966 states. [2020-10-28 21:02:01,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 966 states and 1218 transitions. [2020-10-28 21:02:01,459 INFO L78 Accepts]: Start accepts. Automaton has 966 states and 1218 transitions. Word has length 33 [2020-10-28 21:02:01,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 21:02:01,459 INFO L481 AbstractCegarLoop]: Abstraction has 966 states and 1218 transitions. [2020-10-28 21:02:01,459 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 21:02:01,459 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1218 transitions. [2020-10-28 21:02:01,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-28 21:02:01,465 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:02:01,466 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 21:02:01,466 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 21:02:01,466 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:02:01,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:02:01,467 INFO L82 PathProgramCache]: Analyzing trace with hash 1704413253, now seen corresponding path program 1 times [2020-10-28 21:02:01,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:02:01,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [385016572] [2020-10-28 21:02:01,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:02:01,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:02:01,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:02:02,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:02:04,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:02:06,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:02:06,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-28 21:02:06,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 21:02:06,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5095 [2020-10-28 21:02:06,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:02:06,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:02:06,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:02:06,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 21:02:06,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-28 21:02:06,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:02:09,503 WARN L193 SmtUtils]: Spent 2.53 s on a formula simplification that was a NOOP. DAG size: 631 [2020-10-28 21:02:09,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:02:09,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:02:09,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:02:10,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:02:10,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:02:10,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:02:10,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 968 [2020-10-28 21:02:10,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:02:10,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:02:10,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:02:10,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:02:10,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 21:02:10,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:02:10,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:02:10,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:02:10,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:02:10,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:02:10,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:02:10,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:02:10,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-28 21:02:10,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:02:10,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:02:10,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:02:10,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:02:10,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 21:02:10,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:02:10,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 21:02:10,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:02:10,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:02:10,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:02:10,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 21:02:10,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:02:10,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-28 21:02:10,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:02:10,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:02:10,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:02:10,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:02:10,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 21:02:10,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:02:10,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 21:02:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:02:10,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:02:10,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:02:10,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 21:02:10,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:02:10,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-28 21:02:10,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:02:10,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:02:10,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:02:10,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:02:10,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 21:02:10,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:02:10,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:02:10,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:02:10,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:02:10,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:02:10,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:02:10,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:02:10,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 21:02:10,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:02:10,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:02:10,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:02:10,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:02:10,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:02:10,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:02:10,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 21:02:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:02:11,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:02:11,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:02:11,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 21:02:11,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:02:11,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-28 21:02:11,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:02:11,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:02:11,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:02:11,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:02:11,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 21:02:11,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:02:11,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 21:02:11,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:02:11,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:02:11,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:02:11,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 21:02:11,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:02:11,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-28 21:02:11,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:02:11,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:02:11,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:02:11,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:02:11,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-28 21:02:11,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:02:11,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:02:11,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:02:11,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:02:11,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:02:11,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 21:02:11,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:02:11,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 21:02:11,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:02:11,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:02:11,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:02:11,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:02:11,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:02:11,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:02:11,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:02:11,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:02:11,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:02:11,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:02:11,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 21:02:11,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:02:11,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 21:02:11,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:02:11,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:02:11,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:02:11,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:02:11,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:02:11,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:02:11,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-28 21:02:11,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:02:11,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:02:11,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:02:11,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 21:02:11,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:02:11,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 21:02:11,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:02:11,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:02:11,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:02:11,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 21:02:11,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:02:11,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:02:11,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:02:11,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:02:11,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:02:11,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:02:11,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:02:11,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:02:11,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 21:02:11,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:02:11,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:02:11,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:02:11,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:02:11,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:02:11,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:02:11,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-28 21:02:11,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:02:11,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:02:11,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:02:11,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-28 21:02:11,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:02:11,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 21:02:11,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:02:11,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:02:11,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:02:11,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-28 21:02:11,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:02:11,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:02:11,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:02:11,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:02:11,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:02:11,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:02:11,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 21:02:11,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:02:11,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 21:02:11,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:02:11,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:02:11,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:02:11,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:02:11,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:02:11,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:02:11,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 21:02:11,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:02:11,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:02:11,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:02:11,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:02:11,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:02:11,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 21:02:11,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:02:11,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:02:11,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:02:11,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:02:11,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:02:11,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:02:11,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-28 21:02:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:02:11,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:02:11,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:02:11,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:02:11,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:02:11,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 21:02:11,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:02:11,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:02:11,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:02:11,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 21:02:11,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:02:11,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:02:11,692 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-28 21:02:11,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [385016572] [2020-10-28 21:02:11,692 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 21:02:11,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 21:02:11,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593084103] [2020-10-28 21:02:11,693 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 21:02:11,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 21:02:11,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 21:02:11,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-28 21:02:11,695 INFO L87 Difference]: Start difference. First operand 966 states and 1218 transitions. Second operand 8 states. [2020-10-28 21:02:18,512 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification that was a NOOP. DAG size: 633 [2020-10-28 21:02:37,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 21:02:37,803 INFO L93 Difference]: Finished difference Result 2178 states and 2859 transitions. [2020-10-28 21:02:37,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 21:02:37,804 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2020-10-28 21:02:37,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 21:02:37,813 INFO L225 Difference]: With dead ends: 2178 [2020-10-28 21:02:37,813 INFO L226 Difference]: Without dead ends: 1234 [2020-10-28 21:02:37,819 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2020-10-28 21:02:37,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2020-10-28 21:02:38,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 960. [2020-10-28 21:02:38,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 960 states. [2020-10-28 21:02:38,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 960 states and 1175 transitions. [2020-10-28 21:02:38,318 INFO L78 Accepts]: Start accepts. Automaton has 960 states and 1175 transitions. Word has length 93 [2020-10-28 21:02:38,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 21:02:38,319 INFO L481 AbstractCegarLoop]: Abstraction has 960 states and 1175 transitions. [2020-10-28 21:02:38,319 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 21:02:38,319 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1175 transitions. [2020-10-28 21:02:38,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-28 21:02:38,323 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:02:38,324 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 21:02:38,324 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 21:02:38,324 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:02:38,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:02:38,325 INFO L82 PathProgramCache]: Analyzing trace with hash 1952559747, now seen corresponding path program 1 times [2020-10-28 21:02:38,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:02:38,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1138561218] [2020-10-28 21:02:38,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:02:38,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:02:38,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:02:39,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:02:43,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:02:43,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-28 21:02:43,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 21:02:43,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5217 [2020-10-28 21:02:43,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:02:43,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:02:43,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:02:43,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 21:02:43,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-28 21:02:43,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:02:46,328 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification that was a NOOP. DAG size: 631 [2020-10-28 21:02:46,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:02:46,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:02:46,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:02:46,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:02:46,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:02:46,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:02:46,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 301 [2020-10-28 21:02:46,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:02:46,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:02:46,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:02:46,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:02:46,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:02:46,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:02:46,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:02:46,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:02:46,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:02:46,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:02:46,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:02:46,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:02:46,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 21:02:46,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:02:46,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:02:46,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:02:46,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:02:46,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 21:02:46,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:02:46,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 21:02:46,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:02:46,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:02:46,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:02:46,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 21:02:46,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:02:46,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 21:02:46,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:02:46,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:02:46,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:02:46,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:02:46,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 21:02:46,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:02:46,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 21:02:46,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:02:46,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:02:46,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:02:46,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 21:02:46,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:02:46,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 21:02:46,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:02:46,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:02:46,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:02:46,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:02:46,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 21:02:46,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:02:46,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:02:46,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:02:46,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:02:46,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:02:46,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:02:46,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:02:46,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 21:02:46,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:02:46,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:02:46,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:02:46,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:02:46,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:02:46,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:02:46,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 21:02:46,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:02:46,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:02:46,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:02:46,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 21:02:46,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:02:46,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 21:02:46,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:02:46,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:02:46,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:02:46,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-28 21:02:46,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:02:46,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:02:46,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 21:02:46,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:02:47,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:02:47,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:02:47,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 21:02:47,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:02:47,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 21:02:47,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:02:47,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:02:47,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:02:47,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 21:02:47,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:02:47,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:02:47,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:02:47,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:02:47,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:02:47,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:02:47,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 21:02:47,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:02:47,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 21:02:47,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:02:47,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:02:47,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:02:47,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:02:47,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:02:47,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:02:47,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:02:47,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:02:47,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:02:47,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:02:47,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 21:02:47,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:02:47,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 21:02:47,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:02:47,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:02:47,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:02:47,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:02:47,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:02:47,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:02:47,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-28 21:02:47,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:02:47,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:02:47,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:02:47,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 21:02:47,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:02:47,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 21:02:47,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:02:47,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:02:47,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:02:47,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 21:02:47,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:02:47,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:02:47,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:02:47,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:02:47,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:02:47,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:02:47,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:02:47,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:02:47,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 21:02:47,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:02:47,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:02:47,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:02:47,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:02:47,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:02:47,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:02:47,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-28 21:02:47,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:02:47,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:02:47,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:02:47,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-28 21:02:47,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:02:47,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 21:02:47,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:02:47,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:02:47,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:02:47,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-28 21:02:47,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:02:47,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:02:47,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:02:47,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:02:47,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:02:47,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:02:47,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 21:02:47,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:02:47,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 21:02:47,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:02:47,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:02:47,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:02:47,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:02:47,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:02:47,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:02:47,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 21:02:47,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:02:47,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:02:47,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:02:47,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:02:47,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:02:47,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 21:02:47,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:02:47,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:02:47,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:02:47,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:02:47,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:02:47,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:02:47,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-28 21:02:47,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:02:47,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:02:47,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:02:47,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:02:47,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:02:47,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 21:02:47,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:02:47,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:02:47,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:02:47,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 21:02:47,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:02:47,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:02:47,415 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-28 21:02:47,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1138561218] [2020-10-28 21:02:47,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 21:02:47,415 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 21:02:47,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168323612] [2020-10-28 21:02:47,417 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 21:02:47,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 21:02:47,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 21:02:47,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-28 21:02:47,419 INFO L87 Difference]: Start difference. First operand 960 states and 1175 transitions. Second operand 7 states. [2020-10-28 21:03:22,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 21:03:22,150 INFO L93 Difference]: Finished difference Result 2204 states and 2797 transitions. [2020-10-28 21:03:22,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 21:03:22,151 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2020-10-28 21:03:22,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 21:03:22,160 INFO L225 Difference]: With dead ends: 2204 [2020-10-28 21:03:22,161 INFO L226 Difference]: Without dead ends: 1266 [2020-10-28 21:03:22,165 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-28 21:03:22,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1266 states. [2020-10-28 21:03:22,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1266 to 976. [2020-10-28 21:03:22,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 976 states. [2020-10-28 21:03:22,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 976 states and 1201 transitions. [2020-10-28 21:03:22,597 INFO L78 Accepts]: Start accepts. Automaton has 976 states and 1201 transitions. Word has length 93 [2020-10-28 21:03:22,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 21:03:22,598 INFO L481 AbstractCegarLoop]: Abstraction has 976 states and 1201 transitions. [2020-10-28 21:03:22,598 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 21:03:22,598 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1201 transitions. [2020-10-28 21:03:22,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-28 21:03:22,602 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:03:22,603 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 21:03:22,603 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 21:03:22,603 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:03:22,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:03:22,604 INFO L82 PathProgramCache]: Analyzing trace with hash -1966667639, now seen corresponding path program 1 times [2020-10-28 21:03:22,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:03:22,604 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [329311998] [2020-10-28 21:03:22,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:03:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:03:22,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:03:22,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking...