/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=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ntdrivers/kbfiltr.i.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 20:39:35,015 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 20:39:35,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 20:39:35,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 20:39:35,080 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 20:39:35,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 20:39:35,091 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 20:39:35,098 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 20:39:35,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 20:39:35,107 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 20:39:35,109 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 20:39:35,110 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 20:39:35,111 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 20:39:35,114 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 20:39:35,118 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 20:39:35,120 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 20:39:35,121 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 20:39:35,125 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 20:39:35,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 20:39:35,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 20:39:35,144 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 20:39:35,145 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 20:39:35,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 20:39:35,150 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 20:39:35,159 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 20:39:35,159 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 20:39:35,160 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 20:39:35,162 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 20:39:35,163 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 20:39:35,164 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 20:39:35,164 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 20:39:35,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 20:39:35,167 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 20:39:35,168 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 20:39:35,169 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 20:39:35,170 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 20:39:35,170 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 20:39:35,171 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 20:39:35,171 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 20:39:35,172 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 20:39:35,172 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 20:39:35,180 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 20:39:35,230 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 20:39:35,230 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 20:39:35,232 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 20:39:35,232 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 20:39:35,232 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 20:39:35,233 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 20:39:35,233 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 20:39:35,233 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 20:39:35,233 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 20:39:35,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 20:39:35,234 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 20:39:35,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 20:39:35,234 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 20:39:35,234 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 20:39:35,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 20:39:35,235 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 20:39:35,235 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 20:39:35,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 20:39:35,235 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 20:39:35,235 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 20:39:35,236 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 20:39:35,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 20:39:35,236 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 20:39:35,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 20:39:35,236 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 20:39:35,236 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 20:39:35,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 20:39:35,237 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 20:39:35,237 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 20:39:35,237 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 20:39:35,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 20:39:35,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 20:39:35,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 20:39:35,737 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 20:39:35,738 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 20:39:35,739 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers/kbfiltr.i.cil-2.c [2020-10-27 20:39:35,838 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/43bb95672/642bd108630b4ce08fb75cd01859c075/FLAG37e3f553b [2020-10-27 20:39:36,885 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 20:39:36,886 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ntdrivers/kbfiltr.i.cil-2.c [2020-10-27 20:39:36,919 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/43bb95672/642bd108630b4ce08fb75cd01859c075/FLAG37e3f553b [2020-10-27 20:39:36,964 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/43bb95672/642bd108630b4ce08fb75cd01859c075 [2020-10-27 20:39:36,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 20:39:36,975 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 20:39:36,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 20:39:36,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 20:39:36,981 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 20:39:36,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:39:36" (1/1) ... [2020-10-27 20:39:36,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fc38e5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:39:36, skipping insertion in model container [2020-10-27 20:39:36,986 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:39:36" (1/1) ... [2020-10-27 20:39:36,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 20:39:37,108 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 20:39:38,099 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:39:38,118 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 20:39:38,317 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:39:38,418 INFO L208 MainTranslator]: Completed translation [2020-10-27 20:39:38,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:39:38 WrapperNode [2020-10-27 20:39:38,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 20:39:38,420 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 20:39:38,420 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 20:39:38,420 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 20:39:38,436 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:39:38" (1/1) ... [2020-10-27 20:39:38,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:39:38" (1/1) ... [2020-10-27 20:39:38,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:39:38" (1/1) ... [2020-10-27 20:39:38,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:39:38" (1/1) ... [2020-10-27 20:39:38,675 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:39:38" (1/1) ... [2020-10-27 20:39:38,707 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:39:38" (1/1) ... [2020-10-27 20:39:38,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:39:38" (1/1) ... [2020-10-27 20:39:38,766 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 20:39:38,768 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 20:39:38,768 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 20:39:38,768 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 20:39:38,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:39:38" (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 [2020-10-27 20:39:38,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 20:39:38,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 20:39:38,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~PVOID~0~X~~PVOID~0~X~$Pointer$~X~$Pointer$~X~~PBOOLEAN~0~TO~~NTSTATUS~0 [2020-10-27 20:39:38,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~PVOID~0~X~~PKEYBOARD_INPUT_DATA~0~X~~POUTPUT_PACKET~0~X~~UCHAR~0~X~~PUCHAR~0~X~~PBOOLEAN~0~X~~PKEYBOARD_SCAN_STATE~0~TO~~BOOLEAN~0 [2020-10-27 20:39:38,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~PVOID~0~X~~PVOID~0~X~~PVOID~0~X~~PVOID~0~TO~VOID [2020-10-27 20:39:38,850 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 20:39:38,850 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 20:39:38,850 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedIncrement [2020-10-27 20:39:38,850 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedDecrement [2020-10-27 20:39:38,850 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_IoCtl [2020-10-27 20:39:38,850 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2020-10-27 20:39:38,851 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2020-10-27 20:39:38,851 INFO L138 BoogieDeclarations]: Found implementation of procedure DriverEntry [2020-10-27 20:39:38,851 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_AddDevice [2020-10-27 20:39:38,851 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2020-10-27 20:39:38,851 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2020-10-27 20:39:38,851 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2020-10-27 20:39:38,852 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InternIoCtl [2020-10-27 20:39:38,852 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2020-10-27 20:39:38,852 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Power [2020-10-27 20:39:38,852 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InitializationRoutine [2020-10-27 20:39:38,852 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_IsrHook [2020-10-27 20:39:38,852 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_ServiceCallback [2020-10-27 20:39:38,853 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Unload [2020-10-27 20:39:38,853 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2020-10-27 20:39:38,853 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 20:39:38,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAcquireFastMutex [2020-10-27 20:39:38,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ExReleaseFastMutex [2020-10-27 20:39:38,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2020-10-27 20:39:38,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ExFreePool [2020-10-27 20:39:38,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertHeadList [2020-10-27 20:39:38,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertTailList [2020-10-27 20:39:38,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedRemoveHeadList [2020-10-27 20:39:38,854 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAllocateMdl [2020-10-27 20:39:38,854 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAttachDeviceToDeviceStack [2020-10-27 20:39:38,854 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildAsynchronousFsdRequest [2020-10-27 20:39:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2020-10-27 20:39:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateDevice [2020-10-27 20:39:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateSymbolicLink [2020-10-27 20:39:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteDevice [2020-10-27 20:39:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2020-10-27 20:39:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDetachDevice [2020-10-27 20:39:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeIrp [2020-10-27 20:39:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeMdl [2020-10-27 20:39:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure IoGetConfigurationInformation [2020-10-27 20:39:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2020-10-27 20:39:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2020-10-27 20:39:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure IoReleaseCancelSpinLock [2020-10-27 20:39:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2020-10-27 20:39:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetHardErrorOrVerifyDevice [2020-10-27 20:39:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2020-10-27 20:39:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2020-10-27 20:39:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2020-10-27 20:39:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure KeAcquireSpinLockRaiseToDpc [2020-10-27 20:39:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure KeDelayExecutionThread [2020-10-27 20:39:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeEvent [2020-10-27 20:39:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSemaphore [2020-10-27 20:39:38,858 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSpinLock [2020-10-27 20:39:38,858 INFO L138 BoogieDeclarations]: Found implementation of procedure KeReleaseSemaphore [2020-10-27 20:39:38,858 INFO L138 BoogieDeclarations]: Found implementation of procedure KfReleaseSpinLock [2020-10-27 20:39:38,858 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2020-10-27 20:39:38,858 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2020-10-27 20:39:38,858 INFO L138 BoogieDeclarations]: Found implementation of procedure MmAllocateContiguousMemory [2020-10-27 20:39:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure MmFreeContiguousMemory [2020-10-27 20:39:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure MmMapLockedPagesSpecifyCache [2020-10-27 20:39:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure MmPageEntireDriver [2020-10-27 20:39:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure MmResetDriverPaging [2020-10-27 20:39:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure MmUnlockPages [2020-10-27 20:39:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2020-10-27 20:39:38,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ObfDereferenceObject [2020-10-27 20:39:38,860 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2020-10-27 20:39:38,860 INFO L138 BoogieDeclarations]: Found implementation of procedure PoStartNextPowerIrp [2020-10-27 20:39:38,860 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2020-10-27 20:39:38,860 INFO L138 BoogieDeclarations]: Found implementation of procedure PsTerminateSystemThread [2020-10-27 20:39:38,860 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlAnsiStringToUnicodeString [2020-10-27 20:39:38,861 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCompareMemory [2020-10-27 20:39:38,861 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCopyUnicodeString [2020-10-27 20:39:38,861 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlDeleteRegistryValue [2020-10-27 20:39:38,861 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlFreeUnicodeString [2020-10-27 20:39:38,861 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitString [2020-10-27 20:39:38,861 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitUnicodeString [2020-10-27 20:39:38,862 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlQueryRegistryValues [2020-10-27 20:39:38,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2020-10-27 20:39:38,862 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-27 20:39:38,862 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2020-10-27 20:39:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 20:39:38,863 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 20:39:38,863 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 20:39:38,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 20:39:38,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-27 20:39:38,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 20:39:38,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-27 20:39:38,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-27 20:39:38,863 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 20:39:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-27 20:39:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2020-10-27 20:39:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-27 20:39:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure RtlQueryRegistryValues [2020-10-27 20:39:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure RtlDeleteRegistryValue [2020-10-27 20:39:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitString [2020-10-27 20:39:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitUnicodeString [2020-10-27 20:39:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure RtlAnsiStringToUnicodeString [2020-10-27 20:39:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCopyUnicodeString [2020-10-27 20:39:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure RtlFreeUnicodeString [2020-10-27 20:39:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCompareMemory [2020-10-27 20:39:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedIncrement [2020-10-27 20:39:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 20:39:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 20:39:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedDecrement [2020-10-27 20:39:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeEvent [2020-10-27 20:39:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2020-10-27 20:39:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSemaphore [2020-10-27 20:39:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure KeReleaseSemaphore [2020-10-27 20:39:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure KeDelayExecutionThread [2020-10-27 20:39:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2020-10-27 20:39:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSpinLock [2020-10-27 20:39:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure KfReleaseSpinLock [2020-10-27 20:39:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2020-10-27 20:39:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure ExFreePool [2020-10-27 20:39:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure ExAcquireFastMutex [2020-10-27 20:39:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure ExReleaseFastMutex [2020-10-27 20:39:38,868 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertHeadList [2020-10-27 20:39:38,868 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertTailList [2020-10-27 20:39:38,868 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedRemoveHeadList [2020-10-27 20:39:38,868 INFO L130 BoogieDeclarations]: Found specification of procedure MmUnlockPages [2020-10-27 20:39:38,868 INFO L130 BoogieDeclarations]: Found specification of procedure MmMapLockedPagesSpecifyCache [2020-10-27 20:39:38,868 INFO L130 BoogieDeclarations]: Found specification of procedure MmAllocateContiguousMemory [2020-10-27 20:39:38,868 INFO L130 BoogieDeclarations]: Found specification of procedure MmFreeContiguousMemory [2020-10-27 20:39:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure MmResetDriverPaging [2020-10-27 20:39:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure MmPageEntireDriver [2020-10-27 20:39:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2020-10-27 20:39:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure PsTerminateSystemThread [2020-10-27 20:39:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure IoAllocateMdl [2020-10-27 20:39:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure IoAttachDeviceToDeviceStack [2020-10-27 20:39:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildAsynchronousFsdRequest [2020-10-27 20:39:38,870 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2020-10-27 20:39:38,870 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2020-10-27 20:39:38,870 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2020-10-27 20:39:38,870 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateDevice [2020-10-27 20:39:38,870 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateSymbolicLink [2020-10-27 20:39:38,870 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteDevice [2020-10-27 20:39:38,870 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2020-10-27 20:39:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure IoDetachDevice [2020-10-27 20:39:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeIrp [2020-10-27 20:39:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeMdl [2020-10-27 20:39:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure IoGetConfigurationInformation [2020-10-27 20:39:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2020-10-27 20:39:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure IoReleaseCancelSpinLock [2020-10-27 20:39:38,872 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetHardErrorOrVerifyDevice [2020-10-27 20:39:38,872 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2020-10-27 20:39:38,872 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2020-10-27 20:39:38,872 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2020-10-27 20:39:38,872 INFO L130 BoogieDeclarations]: Found specification of procedure PoStartNextPowerIrp [2020-10-27 20:39:38,872 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2020-10-27 20:39:38,872 INFO L130 BoogieDeclarations]: Found specification of procedure ObfDereferenceObject [2020-10-27 20:39:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2020-10-27 20:39:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_AddDevice [2020-10-27 20:39:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2020-10-27 20:39:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2020-10-27 20:39:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InternIoCtl [2020-10-27 20:39:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_IoCtl [2020-10-27 20:39:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2020-10-27 20:39:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Power [2020-10-27 20:39:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InitializationRoutine [2020-10-27 20:39:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_IsrHook [2020-10-27 20:39:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_ServiceCallback [2020-10-27 20:39:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Unload [2020-10-27 20:39:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure DriverEntry [2020-10-27 20:39:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 20:39:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2020-10-27 20:39:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2020-10-27 20:39:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 20:39:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 20:39:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 20:39:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-27 20:39:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2020-10-27 20:39:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2020-10-27 20:39:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~PVOID~0~X~~PVOID~0~X~$Pointer$~X~$Pointer$~X~~PBOOLEAN~0~TO~~NTSTATUS~0 [2020-10-27 20:39:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~PVOID~0~X~~PKEYBOARD_INPUT_DATA~0~X~~POUTPUT_PACKET~0~X~~UCHAR~0~X~~PUCHAR~0~X~~PBOOLEAN~0~X~~PKEYBOARD_SCAN_STATE~0~TO~~BOOLEAN~0 [2020-10-27 20:39:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~PVOID~0~X~~PVOID~0~X~~PVOID~0~X~~PVOID~0~TO~VOID [2020-10-27 20:39:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2020-10-27 20:39:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-10-27 20:39:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 20:39:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 20:39:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2020-10-27 20:39:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure KeAcquireSpinLockRaiseToDpc [2020-10-27 20:39:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 20:39:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 20:39:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 20:39:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-27 20:39:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-27 20:39:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-27 20:39:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-27 20:39:39,778 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 20:39:39,813 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 20:39:39,813 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 20:39:39,813 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 20:39:39,825 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 20:39:39,825 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 20:39:39,851 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 20:39:39,864 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 20:39:39,865 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 20:39:39,865 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 20:39:39,882 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 20:39:39,882 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 20:39:39,889 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 20:39:39,902 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 20:39:39,902 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 20:39:40,148 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 20:39:40,173 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 20:39:40,174 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 20:39:40,174 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 20:39:40,210 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 20:39:40,210 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 20:39:40,211 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 20:39:40,252 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 20:39:40,253 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 20:39:40,288 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 20:39:40,307 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 20:39:40,308 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 20:39:40,308 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 20:39:40,320 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 20:39:40,320 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 20:39:40,321 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 20:39:40,343 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 20:39:40,343 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 20:39:40,391 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 20:39:40,404 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 20:39:40,404 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 20:39:40,405 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 20:39:40,416 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 20:39:40,416 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 20:39:40,433 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 20:39:47,181 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2020-10-27 20:39:47,182 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2020-10-27 20:39:47,211 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 20:39:47,246 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2020-10-27 20:39:47,246 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2020-10-27 20:39:47,275 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 20:39:47,282 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 20:39:47,282 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 20:39:47,287 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 20:39:49,497 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2020-10-27 20:39:49,497 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2020-10-27 20:40:00,849 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 20:40:00,857 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 20:40:00,857 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 20:40:01,127 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 20:40:01,140 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 20:40:01,140 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 20:40:01,166 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 20:40:01,216 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2020-10-27 20:40:01,216 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2020-10-27 20:40:01,230 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 20:40:01,250 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2020-10-27 20:40:01,250 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2020-10-27 20:40:01,325 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 20:40:01,333 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 20:40:01,333 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 20:40:01,337 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 20:40:06,622 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2020-10-27 20:40:06,623 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2020-10-27 20:40:06,626 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 20:40:06,634 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 20:40:06,634 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 20:40:08,851 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 20:40:08,851 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-27 20:40:08,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:40:08 BoogieIcfgContainer [2020-10-27 20:40:08,855 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 20:40:08,857 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 20:40:08,857 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 20:40:08,864 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 20:40:08,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 08:39:36" (1/3) ... [2020-10-27 20:40:08,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bdb3f6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:40:08, skipping insertion in model container [2020-10-27 20:40:08,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:39:38" (2/3) ... [2020-10-27 20:40:08,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bdb3f6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:40:08, skipping insertion in model container [2020-10-27 20:40:08,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:40:08" (3/3) ... [2020-10-27 20:40:08,868 INFO L111 eAbstractionObserver]: Analyzing ICFG kbfiltr.i.cil-2.c [2020-10-27 20:40:08,882 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 20:40:08,889 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 20:40:08,905 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 20:40:08,962 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 20:40:08,962 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 20:40:08,963 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 20:40:08,963 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 20:40:08,963 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 20:40:08,963 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 20:40:08,963 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 20:40:08,963 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 20:40:09,005 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states. [2020-10-27 20:40:09,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-27 20:40:09,017 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:40:09,018 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] [2020-10-27 20:40:09,019 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:40:09,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:40:09,029 INFO L82 PathProgramCache]: Analyzing trace with hash 317252191, now seen corresponding path program 1 times [2020-10-27 20:40:09,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:40:09,042 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [838979722] [2020-10-27 20:40:09,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:40:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:40:09,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:40:09,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:40:09,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:40:10,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:40:10,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:40:10,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:40:11,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:40:13,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:40:13,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-27 20:40:13,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 20:40:13,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4002 [2020-10-27 20:40:13,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:40:13,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:40:13,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-27 20:40:13,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:40:13,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 20:40:13,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:40:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:40:13,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:40:13,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:40:13,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:40:13,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:40:13,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 20:40:13,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:40:13,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:40:13,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:40:13,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:40:13,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:40:13,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:40:13,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:40:13,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:40:13,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:40:13,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:40:13,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:40:13,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 20:40:13,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:40:13,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:40:13,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:40:13,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:40:13,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:40:13,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 20:40:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:40:13,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:40:13,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:40:13,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:40:13,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:40:13,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:40:13,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-27 20:40:13,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:40:13,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:40:13,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 20:40:13,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:40:13,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:40:13,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:40:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:40:13,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:40:13,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:40:13,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:40:13,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:40:13,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 20:40:13,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:40:13,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:40:13,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 20:40:13,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:40:13,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:40:14,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:40:14,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [838979722] [2020-10-27 20:40:14,015 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:40:14,015 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 20:40:14,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388829331] [2020-10-27 20:40:14,022 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 20:40:14,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:40:14,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 20:40:14,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-27 20:40:14,054 INFO L87 Difference]: Start difference. First operand 312 states. Second operand 6 states. [2020-10-27 20:40:14,362 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-27 20:40:16,707 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-27 20:40:47,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:40:47,567 INFO L93 Difference]: Finished difference Result 645 states and 953 transitions. [2020-10-27 20:40:47,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 20:40:47,570 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2020-10-27 20:40:47,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:40:47,587 INFO L225 Difference]: With dead ends: 645 [2020-10-27 20:40:47,588 INFO L226 Difference]: Without dead ends: 341 [2020-10-27 20:40:47,596 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-10-27 20:40:47,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2020-10-27 20:40:47,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 296. [2020-10-27 20:40:47,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-27 20:40:47,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 401 transitions. [2020-10-27 20:40:47,725 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 401 transitions. Word has length 32 [2020-10-27 20:40:47,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:40:47,726 INFO L481 AbstractCegarLoop]: Abstraction has 296 states and 401 transitions. [2020-10-27 20:40:47,726 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 20:40:47,726 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 401 transitions. [2020-10-27 20:40:47,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-27 20:40:47,728 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:40:47,728 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] [2020-10-27 20:40:47,728 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 20:40:47,729 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:40:47,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:40:47,737 INFO L82 PathProgramCache]: Analyzing trace with hash -193425723, now seen corresponding path program 1 times [2020-10-27 20:40:47,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:40:47,738 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [576811311] [2020-10-27 20:40:47,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:40:47,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:40:47,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:40:47,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:40:47,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:40:48,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:40:49,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:40:49,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:40:52,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:40:52,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 20:40:52,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:40:52,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4329 [2020-10-27 20:40:52,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:40:52,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:40:52,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-27 20:40:52,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:40:52,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:40:52,306 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-27 20:40:52,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:40:52,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:40:52,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:40:52,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:40:52,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:40:52,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:40:52,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 20:40:52,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:40:52,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:40:52,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:40:52,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:40:52,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:40:52,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:40:52,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:40:52,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:40:52,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:40:52,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:40:52,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:40:52,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 20:40:52,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:40:52,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:40:52,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:40:52,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:40:52,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:40:52,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 20:40:52,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:40:52,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:40:52,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:40:52,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:40:52,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:40:52,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-27 20:40:52,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:40:52,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:40:52,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:40:52,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:40:52,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:40:52,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:40:52,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:40:52,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:40:52,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:40:52,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:40:52,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:40:52,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 20:40:52,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:40:52,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:40:52,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:40:52,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:40:52,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:40:52,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:40:52,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [576811311] [2020-10-27 20:40:52,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:40:52,590 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 20:40:52,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665899233] [2020-10-27 20:40:52,593 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 20:40:52,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:40:52,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 20:40:52,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-27 20:40:52,594 INFO L87 Difference]: Start difference. First operand 296 states and 401 transitions. Second operand 6 states. [2020-10-27 20:40:52,725 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-27 20:41:26,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:41:26,051 INFO L93 Difference]: Finished difference Result 352 states and 478 transitions. [2020-10-27 20:41:26,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 20:41:26,052 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-10-27 20:41:26,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:41:26,058 INFO L225 Difference]: With dead ends: 352 [2020-10-27 20:41:26,058 INFO L226 Difference]: Without dead ends: 338 [2020-10-27 20:41:26,060 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-27 20:41:26,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2020-10-27 20:41:26,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 296. [2020-10-27 20:41:26,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-27 20:41:26,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 400 transitions. [2020-10-27 20:41:26,115 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 400 transitions. Word has length 33 [2020-10-27 20:41:26,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:41:26,116 INFO L481 AbstractCegarLoop]: Abstraction has 296 states and 400 transitions. [2020-10-27 20:41:26,116 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 20:41:26,116 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 400 transitions. [2020-10-27 20:41:26,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-27 20:41:26,125 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:41:26,125 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:41:26,125 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 20:41:26,125 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:41:26,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:41:26,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1750395706, now seen corresponding path program 1 times [2020-10-27 20:41:26,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:41:26,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2060101316] [2020-10-27 20:41:26,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:41:26,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:41:26,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:41:26,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:41:31,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:41:31,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 20:41:31,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:41:31,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5389 [2020-10-27 20:41:31,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:41:31,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:41:31,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-27 20:41:31,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 20:41:31,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 20:41:31,786 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-27 20:41:31,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:41:31,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:41:31,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:41:31,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:41:31,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:41:31,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:41:31,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 20:41:31,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:41:31,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:41:31,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:41:31,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:41:31,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:41:31,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:41:31,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:41:31,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:41:31,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:41:31,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:41:31,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:41:31,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 20:41:31,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:41:31,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:41:31,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:41:31,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:41:31,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:41:31,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 20:41:31,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:41:31,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:41:31,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:41:31,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:41:31,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:41:31,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 20:41:31,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:41:31,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:41:31,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:41:31,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:41:31,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:41:31,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:41:31,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:41:32,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:41:32,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:41:32,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:41:32,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:41:32,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 20:41:32,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:41:32,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:41:32,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:41:32,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:41:32,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:41:32,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 20:41:32,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:41:32,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:41:32,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:41:32,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:41:32,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 20:41:32,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:41:32,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 164 [2020-10-27 20:41:32,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:41:32,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:41:32,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 20:41:32,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:41:32,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:41:32,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:41:32,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:41:32,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:41:32,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:41:32,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:41:32,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:41:32,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-27 20:41:32,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:41:32,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:41:32,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:41:32,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:41:32,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:41:32,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 20:41:32,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:41:32,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:41:32,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:41:32,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:41:32,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:41:32,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 20:41:32,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:41:32,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:41:32,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:41:32,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:41:32,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:41:32,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:41:32,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2060101316] [2020-10-27 20:41:32,533 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:41:32,533 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 20:41:32,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200318162] [2020-10-27 20:41:32,534 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 20:41:32,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:41:32,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 20:41:32,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-27 20:41:32,536 INFO L87 Difference]: Start difference. First operand 296 states and 400 transitions. Second operand 12 states. [2020-10-27 20:41:32,681 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-27 20:42:09,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:42:09,843 INFO L93 Difference]: Finished difference Result 586 states and 809 transitions. [2020-10-27 20:42:09,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 20:42:09,850 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 54 [2020-10-27 20:42:09,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:42:09,854 INFO L225 Difference]: With dead ends: 586 [2020-10-27 20:42:09,854 INFO L226 Difference]: Without dead ends: 338 [2020-10-27 20:42:09,856 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2020-10-27 20:42:09,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2020-10-27 20:42:09,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 300. [2020-10-27 20:42:09,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2020-10-27 20:42:09,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 404 transitions. [2020-10-27 20:42:09,898 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 404 transitions. Word has length 54 [2020-10-27 20:42:09,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:42:09,899 INFO L481 AbstractCegarLoop]: Abstraction has 300 states and 404 transitions. [2020-10-27 20:42:09,899 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 20:42:09,899 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 404 transitions. [2020-10-27 20:42:09,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-27 20:42:09,901 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:42:09,901 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:42:09,902 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 20:42:09,902 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:42:09,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:42:09,902 INFO L82 PathProgramCache]: Analyzing trace with hash -590323749, now seen corresponding path program 1 times [2020-10-27 20:42:09,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:42:09,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [764171346] [2020-10-27 20:42:09,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:42:09,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:42:10,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:42:10,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:42:15,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:42:15,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 20:42:15,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:42:15,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5116 [2020-10-27 20:42:15,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:42:15,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 20:42:15,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-27 20:42:15,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 20:42:15,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:42:15,316 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-27 20:42:15,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:42:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:42:15,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:42:15,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:42:15,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:42:15,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:42:15,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 20:42:15,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:42:15,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:42:15,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:42:15,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:42:15,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:42:15,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:42:15,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:42:15,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:42:15,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:42:15,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:42:15,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:42:15,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 20:42:15,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:42:15,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:42:15,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:42:15,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:42:15,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:42:15,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 20:42:15,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:42:15,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:42:15,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:42:15,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:42:15,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:42:15,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 20:42:15,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:42:15,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:42:15,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:42:15,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:42:15,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:42:15,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:42:15,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:42:15,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:42:15,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:42:15,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:42:15,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:42:15,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 20:42:15,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:42:15,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:42:15,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:42:15,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:42:15,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:42:15,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 20:42:15,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:42:15,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:42:15,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:42:15,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 20:42:15,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:42:15,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 20:42:15,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:42:15,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:42:15,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:42:15,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:42:15,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:42:15,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:42:15,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:42:15,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:42:15,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:42:15,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:42:15,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:42:15,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 20:42:15,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:42:15,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:42:15,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:42:15,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:42:15,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:42:15,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 20:42:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:42:15,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:42:15,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:42:15,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:42:15,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:42:15,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 20:42:15,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:42:15,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:42:15,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:42:15,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 20:42:15,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:42:15,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:42:15,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [764171346] [2020-10-27 20:42:15,784 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:42:15,784 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 20:42:15,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099816279] [2020-10-27 20:42:15,785 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 20:42:15,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:42:15,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 20:42:15,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-27 20:42:15,788 INFO L87 Difference]: Start difference. First operand 300 states and 404 transitions. Second operand 8 states. [2020-10-27 20:42:15,932 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-27 20:42:16,136 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-27 20:42:22,884 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-27 20:43:02,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:43:02,247 INFO L93 Difference]: Finished difference Result 484 states and 651 transitions. [2020-10-27 20:43:02,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 20:43:02,249 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-10-27 20:43:02,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:43:02,253 INFO L225 Difference]: With dead ends: 484 [2020-10-27 20:43:02,254 INFO L226 Difference]: Without dead ends: 432 [2020-10-27 20:43:02,254 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2020-10-27 20:43:02,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2020-10-27 20:43:02,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 351. [2020-10-27 20:43:02,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2020-10-27 20:43:02,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 475 transitions. [2020-10-27 20:43:02,312 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 475 transitions. Word has length 54 [2020-10-27 20:43:02,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:43:02,315 INFO L481 AbstractCegarLoop]: Abstraction has 351 states and 475 transitions. [2020-10-27 20:43:02,315 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 20:43:02,315 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 475 transitions. [2020-10-27 20:43:02,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-27 20:43:02,320 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:43:02,321 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:43:02,321 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 20:43:02,321 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:43:02,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:43:02,324 INFO L82 PathProgramCache]: Analyzing trace with hash 858493165, now seen corresponding path program 1 times [2020-10-27 20:43:02,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:43:02,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [393588655] [2020-10-27 20:43:02,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:43:02,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:02,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:02,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:07,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:07,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-27 20:43:07,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:43:07,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5060 [2020-10-27 20:43:07,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:07,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:43:07,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-27 20:43:07,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 20:43:07,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:07,795 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-27 20:43:07,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:43:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:07,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:07,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:07,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:07,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:07,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 20:43:07,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:07,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:07,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:07,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:07,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:43:07,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:43:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:07,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:07,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:07,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:07,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:07,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 20:43:07,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:07,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:07,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:07,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:07,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:07,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 20:43:07,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:07,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:07,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:07,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:43:07,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:07,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 20:43:07,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:07,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:07,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:07,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:07,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:07,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:43:07,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:07,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:07,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:07,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:43:07,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:07,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 20:43:07,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:07,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:07,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:07,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:07,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:08,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 20:43:08,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:08,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:08,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:08,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 20:43:08,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:08,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 20:43:08,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:08,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:08,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:08,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:08,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:08,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:43:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:08,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:08,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:08,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:43:08,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:08,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 20:43:08,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:08,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:43:08,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:08,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:43:08,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:08,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 20:43:08,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:43:08,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:43:08,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:43:08,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:43:08,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:43:08,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 20:43:08,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:43:08,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:43:08,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:43:08,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 20:43:08,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:43:08,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:43:08,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [393588655] [2020-10-27 20:43:08,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:43:08,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 20:43:08,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96168079] [2020-10-27 20:43:08,169 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 20:43:08,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:43:08,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 20:43:08,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-27 20:43:08,170 INFO L87 Difference]: Start difference. First operand 351 states and 475 transitions. Second operand 8 states. [2020-10-27 20:43:08,316 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-27 20:43:08,524 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-27 20:43:11,407 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 92