/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=SHALLOWEST --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 02:01:02,588 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 02:01:02,591 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 02:01:02,629 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 02:01:02,630 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 02:01:02,631 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 02:01:02,633 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 02:01:02,636 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 02:01:02,639 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 02:01:02,640 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 02:01:02,641 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 02:01:02,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 02:01:02,646 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 02:01:02,650 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 02:01:02,652 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 02:01:02,654 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 02:01:02,655 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 02:01:02,656 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 02:01:02,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 02:01:02,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 02:01:02,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 02:01:02,666 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 02:01:02,668 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 02:01:02,669 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 02:01:02,673 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 02:01:02,673 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 02:01:02,674 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 02:01:02,675 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 02:01:02,676 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 02:01:02,677 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 02:01:02,678 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 02:01:02,679 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 02:01:02,680 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 02:01:02,681 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 02:01:02,683 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 02:01:02,683 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 02:01:02,684 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 02:01:02,685 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 02:01:02,685 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 02:01:02,687 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 02:01:02,688 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 02:01:02,689 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 02:01:02,734 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 02:01:02,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 02:01:02,739 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 02:01:02,740 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 02:01:02,740 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 02:01:02,740 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 02:01:02,741 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 02:01:02,741 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 02:01:02,741 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 02:01:02,741 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 02:01:02,742 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 02:01:02,744 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 02:01:02,745 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 02:01:02,745 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 02:01:02,745 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 02:01:02,745 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 02:01:02,746 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 02:01:02,746 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 02:01:02,746 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 02:01:02,747 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 02:01:02,747 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 02:01:02,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:01:02,748 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 02:01:02,749 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 02:01:02,749 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 02:01:02,749 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 02:01:02,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 02:01:02,750 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 02:01:02,751 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 02:01:02,751 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 02:01:03,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 02:01:03,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 02:01:03,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 02:01:03,252 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 02:01:03,253 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 02:01:03,254 INFO L432 ainManager$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 02:01:03,353 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/faa96af7f/48da3d7db6214f29aec79636440c177a/FLAGa2a3e06a2 [2020-10-27 02:01:04,402 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 02:01:04,402 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ntdrivers/kbfiltr.i.cil-2.c [2020-10-27 02:01:04,441 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/faa96af7f/48da3d7db6214f29aec79636440c177a/FLAGa2a3e06a2 [2020-10-27 02:01:04,920 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/faa96af7f/48da3d7db6214f29aec79636440c177a [2020-10-27 02:01:04,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 02:01:04,933 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 02:01:04,935 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 02:01:04,935 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 02:01:04,939 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 02:01:04,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:01:04" (1/1) ... [2020-10-27 02:01:04,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68b9fb4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:01:04, skipping insertion in model container [2020-10-27 02:01:04,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:01:04" (1/1) ... [2020-10-27 02:01:04,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 02:01:05,027 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 02:01:06,212 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:01:06,231 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 02:01:06,511 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:01:06,624 INFO L208 MainTranslator]: Completed translation [2020-10-27 02:01:06,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:01:06 WrapperNode [2020-10-27 02:01:06,625 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 02:01:06,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 02:01:06,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 02:01:06,626 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 02:01:06,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:01:06" (1/1) ... [2020-10-27 02:01:06,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:01:06" (1/1) ... [2020-10-27 02:01:06,727 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:01:06" (1/1) ... [2020-10-27 02:01:06,728 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:01:06" (1/1) ... [2020-10-27 02:01:06,891 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:01:06" (1/1) ... [2020-10-27 02:01:06,915 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:01:06" (1/1) ... [2020-10-27 02:01:06,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:01:06" (1/1) ... [2020-10-27 02:01:06,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 02:01:06,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 02:01:06,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 02:01:06,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 02:01:06,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:01:06" (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 02:01:07,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 02:01:07,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 02:01:07,049 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 02:01:07,049 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 02:01:07,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~PVOID~0~X~~PVOID~0~X~~PVOID~0~X~~PVOID~0~TO~VOID [2020-10-27 02:01:07,050 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 02:01:07,050 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 02:01:07,050 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedIncrement [2020-10-27 02:01:07,050 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedDecrement [2020-10-27 02:01:07,050 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_IoCtl [2020-10-27 02:01:07,050 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2020-10-27 02:01:07,050 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2020-10-27 02:01:07,051 INFO L138 BoogieDeclarations]: Found implementation of procedure DriverEntry [2020-10-27 02:01:07,051 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_AddDevice [2020-10-27 02:01:07,051 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2020-10-27 02:01:07,051 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2020-10-27 02:01:07,051 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2020-10-27 02:01:07,051 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InternIoCtl [2020-10-27 02:01:07,052 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2020-10-27 02:01:07,052 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Power [2020-10-27 02:01:07,052 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InitializationRoutine [2020-10-27 02:01:07,052 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_IsrHook [2020-10-27 02:01:07,052 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_ServiceCallback [2020-10-27 02:01:07,052 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Unload [2020-10-27 02:01:07,052 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2020-10-27 02:01:07,053 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 02:01:07,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAcquireFastMutex [2020-10-27 02:01:07,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ExReleaseFastMutex [2020-10-27 02:01:07,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2020-10-27 02:01:07,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ExFreePool [2020-10-27 02:01:07,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertHeadList [2020-10-27 02:01:07,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertTailList [2020-10-27 02:01:07,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedRemoveHeadList [2020-10-27 02:01:07,054 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAllocateMdl [2020-10-27 02:01:07,054 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAttachDeviceToDeviceStack [2020-10-27 02:01:07,054 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildAsynchronousFsdRequest [2020-10-27 02:01:07,054 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2020-10-27 02:01:07,054 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateDevice [2020-10-27 02:01:07,054 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateSymbolicLink [2020-10-27 02:01:07,055 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteDevice [2020-10-27 02:01:07,055 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2020-10-27 02:01:07,055 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDetachDevice [2020-10-27 02:01:07,055 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeIrp [2020-10-27 02:01:07,055 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeMdl [2020-10-27 02:01:07,055 INFO L138 BoogieDeclarations]: Found implementation of procedure IoGetConfigurationInformation [2020-10-27 02:01:07,055 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2020-10-27 02:01:07,056 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2020-10-27 02:01:07,056 INFO L138 BoogieDeclarations]: Found implementation of procedure IoReleaseCancelSpinLock [2020-10-27 02:01:07,056 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2020-10-27 02:01:07,056 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetHardErrorOrVerifyDevice [2020-10-27 02:01:07,056 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2020-10-27 02:01:07,056 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2020-10-27 02:01:07,056 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2020-10-27 02:01:07,057 INFO L138 BoogieDeclarations]: Found implementation of procedure KeAcquireSpinLockRaiseToDpc [2020-10-27 02:01:07,057 INFO L138 BoogieDeclarations]: Found implementation of procedure KeDelayExecutionThread [2020-10-27 02:01:07,057 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeEvent [2020-10-27 02:01:07,057 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSemaphore [2020-10-27 02:01:07,057 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSpinLock [2020-10-27 02:01:07,057 INFO L138 BoogieDeclarations]: Found implementation of procedure KeReleaseSemaphore [2020-10-27 02:01:07,057 INFO L138 BoogieDeclarations]: Found implementation of procedure KfReleaseSpinLock [2020-10-27 02:01:07,058 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2020-10-27 02:01:07,058 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2020-10-27 02:01:07,058 INFO L138 BoogieDeclarations]: Found implementation of procedure MmAllocateContiguousMemory [2020-10-27 02:01:07,058 INFO L138 BoogieDeclarations]: Found implementation of procedure MmFreeContiguousMemory [2020-10-27 02:01:07,058 INFO L138 BoogieDeclarations]: Found implementation of procedure MmMapLockedPagesSpecifyCache [2020-10-27 02:01:07,058 INFO L138 BoogieDeclarations]: Found implementation of procedure MmPageEntireDriver [2020-10-27 02:01:07,058 INFO L138 BoogieDeclarations]: Found implementation of procedure MmResetDriverPaging [2020-10-27 02:01:07,059 INFO L138 BoogieDeclarations]: Found implementation of procedure MmUnlockPages [2020-10-27 02:01:07,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2020-10-27 02:01:07,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ObfDereferenceObject [2020-10-27 02:01:07,059 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2020-10-27 02:01:07,059 INFO L138 BoogieDeclarations]: Found implementation of procedure PoStartNextPowerIrp [2020-10-27 02:01:07,059 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2020-10-27 02:01:07,060 INFO L138 BoogieDeclarations]: Found implementation of procedure PsTerminateSystemThread [2020-10-27 02:01:07,060 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlAnsiStringToUnicodeString [2020-10-27 02:01:07,060 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCompareMemory [2020-10-27 02:01:07,060 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCopyUnicodeString [2020-10-27 02:01:07,060 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlDeleteRegistryValue [2020-10-27 02:01:07,060 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlFreeUnicodeString [2020-10-27 02:01:07,060 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitString [2020-10-27 02:01:07,061 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitUnicodeString [2020-10-27 02:01:07,061 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlQueryRegistryValues [2020-10-27 02:01:07,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2020-10-27 02:01:07,061 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-27 02:01:07,061 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2020-10-27 02:01:07,061 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 02:01:07,062 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 02:01:07,062 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 02:01:07,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 02:01:07,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-27 02:01:07,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 02:01:07,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-27 02:01:07,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-27 02:01:07,063 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 02:01:07,063 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-27 02:01:07,063 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2020-10-27 02:01:07,063 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-27 02:01:07,063 INFO L130 BoogieDeclarations]: Found specification of procedure RtlQueryRegistryValues [2020-10-27 02:01:07,063 INFO L130 BoogieDeclarations]: Found specification of procedure RtlDeleteRegistryValue [2020-10-27 02:01:07,063 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitString [2020-10-27 02:01:07,063 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitUnicodeString [2020-10-27 02:01:07,064 INFO L130 BoogieDeclarations]: Found specification of procedure RtlAnsiStringToUnicodeString [2020-10-27 02:01:07,064 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCopyUnicodeString [2020-10-27 02:01:07,064 INFO L130 BoogieDeclarations]: Found specification of procedure RtlFreeUnicodeString [2020-10-27 02:01:07,064 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCompareMemory [2020-10-27 02:01:07,064 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedIncrement [2020-10-27 02:01:07,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 02:01:07,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 02:01:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedDecrement [2020-10-27 02:01:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeEvent [2020-10-27 02:01:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2020-10-27 02:01:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSemaphore [2020-10-27 02:01:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure KeReleaseSemaphore [2020-10-27 02:01:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure KeDelayExecutionThread [2020-10-27 02:01:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2020-10-27 02:01:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSpinLock [2020-10-27 02:01:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure KfReleaseSpinLock [2020-10-27 02:01:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2020-10-27 02:01:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure ExFreePool [2020-10-27 02:01:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure ExAcquireFastMutex [2020-10-27 02:01:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure ExReleaseFastMutex [2020-10-27 02:01:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertHeadList [2020-10-27 02:01:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertTailList [2020-10-27 02:01:07,067 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedRemoveHeadList [2020-10-27 02:01:07,067 INFO L130 BoogieDeclarations]: Found specification of procedure MmUnlockPages [2020-10-27 02:01:07,067 INFO L130 BoogieDeclarations]: Found specification of procedure MmMapLockedPagesSpecifyCache [2020-10-27 02:01:07,067 INFO L130 BoogieDeclarations]: Found specification of procedure MmAllocateContiguousMemory [2020-10-27 02:01:07,067 INFO L130 BoogieDeclarations]: Found specification of procedure MmFreeContiguousMemory [2020-10-27 02:01:07,067 INFO L130 BoogieDeclarations]: Found specification of procedure MmResetDriverPaging [2020-10-27 02:01:07,067 INFO L130 BoogieDeclarations]: Found specification of procedure MmPageEntireDriver [2020-10-27 02:01:07,068 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2020-10-27 02:01:07,068 INFO L130 BoogieDeclarations]: Found specification of procedure PsTerminateSystemThread [2020-10-27 02:01:07,068 INFO L130 BoogieDeclarations]: Found specification of procedure IoAllocateMdl [2020-10-27 02:01:07,068 INFO L130 BoogieDeclarations]: Found specification of procedure IoAttachDeviceToDeviceStack [2020-10-27 02:01:07,068 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildAsynchronousFsdRequest [2020-10-27 02:01:07,068 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2020-10-27 02:01:07,068 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2020-10-27 02:01:07,069 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2020-10-27 02:01:07,069 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateDevice [2020-10-27 02:01:07,069 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateSymbolicLink [2020-10-27 02:01:07,069 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteDevice [2020-10-27 02:01:07,069 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2020-10-27 02:01:07,069 INFO L130 BoogieDeclarations]: Found specification of procedure IoDetachDevice [2020-10-27 02:01:07,069 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeIrp [2020-10-27 02:01:07,070 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeMdl [2020-10-27 02:01:07,070 INFO L130 BoogieDeclarations]: Found specification of procedure IoGetConfigurationInformation [2020-10-27 02:01:07,070 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2020-10-27 02:01:07,070 INFO L130 BoogieDeclarations]: Found specification of procedure IoReleaseCancelSpinLock [2020-10-27 02:01:07,070 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetHardErrorOrVerifyDevice [2020-10-27 02:01:07,070 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2020-10-27 02:01:07,070 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2020-10-27 02:01:07,070 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2020-10-27 02:01:07,071 INFO L130 BoogieDeclarations]: Found specification of procedure PoStartNextPowerIrp [2020-10-27 02:01:07,071 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2020-10-27 02:01:07,071 INFO L130 BoogieDeclarations]: Found specification of procedure ObfDereferenceObject [2020-10-27 02:01:07,071 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2020-10-27 02:01:07,071 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_AddDevice [2020-10-27 02:01:07,071 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2020-10-27 02:01:07,071 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2020-10-27 02:01:07,072 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InternIoCtl [2020-10-27 02:01:07,072 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_IoCtl [2020-10-27 02:01:07,072 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2020-10-27 02:01:07,072 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Power [2020-10-27 02:01:07,072 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InitializationRoutine [2020-10-27 02:01:07,072 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_IsrHook [2020-10-27 02:01:07,072 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_ServiceCallback [2020-10-27 02:01:07,072 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Unload [2020-10-27 02:01:07,073 INFO L130 BoogieDeclarations]: Found specification of procedure DriverEntry [2020-10-27 02:01:07,073 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 02:01:07,073 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2020-10-27 02:01:07,073 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2020-10-27 02:01:07,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 02:01:07,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 02:01:07,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 02:01:07,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-27 02:01:07,074 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2020-10-27 02:01:07,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2020-10-27 02:01:07,074 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 02:01:07,074 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 02:01:07,074 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~PVOID~0~X~~PVOID~0~X~~PVOID~0~X~~PVOID~0~TO~VOID [2020-10-27 02:01:07,074 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2020-10-27 02:01:07,074 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-10-27 02:01:07,074 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 02:01:07,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 02:01:07,075 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2020-10-27 02:01:07,075 INFO L130 BoogieDeclarations]: Found specification of procedure KeAcquireSpinLockRaiseToDpc [2020-10-27 02:01:07,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 02:01:07,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 02:01:07,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 02:01:07,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-27 02:01:07,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-27 02:01:07,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-27 02:01:07,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-27 02:01:07,853 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:07,893 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:01:07,893 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:01:07,894 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:07,905 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:01:07,905 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:01:07,928 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:07,938 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:01:07,939 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:01:07,939 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:07,954 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:01:07,955 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:01:07,961 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:07,973 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:01:07,974 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:01:08,341 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:08,352 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:01:08,352 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:01:08,353 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:08,367 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:01:08,368 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:01:08,368 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:08,390 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:01:08,390 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:01:08,413 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:08,421 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:01:08,422 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:01:08,422 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:08,430 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:01:08,430 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:01:08,431 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:08,442 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:01:08,443 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:01:08,495 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:08,505 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:01:08,506 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:01:08,506 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:08,515 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:01:08,515 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:01:08,534 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:15,587 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2020-10-27 02:01:15,587 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2020-10-27 02:01:15,617 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:15,655 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2020-10-27 02:01:15,656 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2020-10-27 02:01:15,681 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:15,689 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:01:15,689 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:01:15,695 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:17,943 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2020-10-27 02:01:17,943 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2020-10-27 02:01:29,260 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:29,268 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:01:29,268 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:01:29,518 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:29,529 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:01:29,529 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:01:29,550 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:29,575 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2020-10-27 02:01:29,575 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2020-10-27 02:01:29,589 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:29,611 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2020-10-27 02:01:29,611 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2020-10-27 02:01:29,660 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:29,667 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:01:29,668 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:01:29,675 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:34,899 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2020-10-27 02:01:34,899 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2020-10-27 02:01:34,903 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:34,920 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:01:34,920 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:01:37,140 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 02:01:37,140 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-27 02:01:37,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:01:37 BoogieIcfgContainer [2020-10-27 02:01:37,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 02:01:37,149 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 02:01:37,149 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 02:01:37,156 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 02:01:37,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:01:04" (1/3) ... [2020-10-27 02:01:37,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76bde57f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:01:37, skipping insertion in model container [2020-10-27 02:01:37,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:01:06" (2/3) ... [2020-10-27 02:01:37,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76bde57f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:01:37, skipping insertion in model container [2020-10-27 02:01:37,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:01:37" (3/3) ... [2020-10-27 02:01:37,159 INFO L111 eAbstractionObserver]: Analyzing ICFG kbfiltr.i.cil-2.c [2020-10-27 02:01:37,172 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 02:01:37,179 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 02:01:37,192 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 02:01:37,240 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 02:01:37,240 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 02:01:37,240 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 02:01:37,240 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 02:01:37,240 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 02:01:37,240 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 02:01:37,240 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 02:01:37,240 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 02:01:37,264 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states. [2020-10-27 02:01:37,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-27 02:01:37,271 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:01:37,272 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 02:01:37,272 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:01:37,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:01:37,277 INFO L82 PathProgramCache]: Analyzing trace with hash 317252191, now seen corresponding path program 1 times [2020-10-27 02:01:37,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:01:37,287 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2123708320] [2020-10-27 02:01:37,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:01:37,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:01:37,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:01:37,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:01:38,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:01:38,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:01:38,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:01:39,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:01:39,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:01:41,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:01:41,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-27 02:01:41,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 02:01:41,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3854 [2020-10-27 02:01:41,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:01:41,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:01:41,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 02:01:41,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 02:01:41,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 02:01:41,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:01:41,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:01:41,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:01:41,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:01:41,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:01:41,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:01:41,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 02:01:41,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:01:41,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:01:41,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:01:41,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:01:41,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:01:41,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:01:41,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:01:41,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:01:41,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:01:41,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:01:41,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:01:41,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-27 02:01:41,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:01:41,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:01:41,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:01:41,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:01:41,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:01:41,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:01:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:01:41,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:01:41,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:01:42,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:01:42,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:01:42,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:01:42,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138 [2020-10-27 02:01:42,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:01:42,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:01:42,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:01:42,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:01:42,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:01:42,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:01:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:01:42,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:01:42,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:01:42,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:01:42,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:01:42,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:01:42,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 02:01:42,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:01:42,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:01:42,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:01:42,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:01:42,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 02:01:42,151 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 02:01:42,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2123708320] [2020-10-27 02:01:42,155 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:01:42,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 02:01:42,157 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245528051] [2020-10-27 02:01:42,162 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 02:01:42,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:01:42,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 02:01:42,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-27 02:01:42,182 INFO L87 Difference]: Start difference. First operand 312 states. Second operand 6 states. [2020-10-27 02:01:42,348 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-27 02:01:44,641 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-27 02:01:44,917 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-27 02:02:14,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:02:14,662 INFO L93 Difference]: Finished difference Result 670 states and 997 transitions. [2020-10-27 02:02:14,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 02:02:14,664 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2020-10-27 02:02:14,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:02:14,681 INFO L225 Difference]: With dead ends: 670 [2020-10-27 02:02:14,681 INFO L226 Difference]: Without dead ends: 360 [2020-10-27 02:02:14,688 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-10-27 02:02:14,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-10-27 02:02:14,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 307. [2020-10-27 02:02:14,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2020-10-27 02:02:14,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 417 transitions. [2020-10-27 02:02:14,811 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 417 transitions. Word has length 32 [2020-10-27 02:02:14,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:02:14,811 INFO L481 AbstractCegarLoop]: Abstraction has 307 states and 417 transitions. [2020-10-27 02:02:14,811 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 02:02:14,812 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 417 transitions. [2020-10-27 02:02:14,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-27 02:02:14,813 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:02:14,813 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 02:02:14,813 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 02:02:14,814 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:02:14,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:02:14,814 INFO L82 PathProgramCache]: Analyzing trace with hash -203083451, now seen corresponding path program 1 times [2020-10-27 02:02:14,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:02:14,815 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [350946079] [2020-10-27 02:02:14,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:02:14,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:02:14,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:02:15,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:02:15,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:02:15,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:02:15,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:02:15,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:02:19,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:02:19,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 02:02:19,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:02:19,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4114 [2020-10-27 02:02:19,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:02:19,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:02:19,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 02:02:19,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 02:02:19,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:02:19,182 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-27 02:02:19,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:02:19,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:02:19,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:02:19,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:02:19,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:02:19,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:02:19,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 02:02:19,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:02:19,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:02:19,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:02:19,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:02:19,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:02:19,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:02:19,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:02:19,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:02:19,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:02:19,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:02:19,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:02:19,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 02:02:19,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:02:19,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:02:19,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:02:19,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:02:19,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:02:19,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:02:19,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:02:19,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:02:19,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:02:19,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:02:19,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:02:19,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-27 02:02:19,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:02:19,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:02:19,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:02:19,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:02:19,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:02:19,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:02:19,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:02:19,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:02:19,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:02:19,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:02:19,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:02:19,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 02:02:19,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:02:19,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:02:19,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:02:19,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:02:19,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:02:19,516 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 02:02:19,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [350946079] [2020-10-27 02:02:19,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:02:19,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 02:02:19,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138239832] [2020-10-27 02:02:19,519 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 02:02:19,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:02:19,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 02:02:19,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-27 02:02:19,520 INFO L87 Difference]: Start difference. First operand 307 states and 417 transitions. Second operand 6 states. [2020-10-27 02:02:19,646 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-27 02:02:19,818 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-27 02:02:22,268 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-27 02:02:54,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:02:54,027 INFO L93 Difference]: Finished difference Result 360 states and 491 transitions. [2020-10-27 02:02:54,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 02:02:54,029 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-10-27 02:02:54,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:02:54,034 INFO L225 Difference]: With dead ends: 360 [2020-10-27 02:02:54,034 INFO L226 Difference]: Without dead ends: 342 [2020-10-27 02:02:54,035 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-10-27 02:02:54,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-10-27 02:02:54,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 300. [2020-10-27 02:02:54,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2020-10-27 02:02:54,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 407 transitions. [2020-10-27 02:02:54,084 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 407 transitions. Word has length 33 [2020-10-27 02:02:54,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:02:54,085 INFO L481 AbstractCegarLoop]: Abstraction has 300 states and 407 transitions. [2020-10-27 02:02:54,085 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 02:02:54,085 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 407 transitions. [2020-10-27 02:02:54,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-27 02:02:54,088 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:02:54,088 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 02:02:54,088 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 02:02:54,089 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:02:54,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:02:54,089 INFO L82 PathProgramCache]: Analyzing trace with hash 1750395706, now seen corresponding path program 1 times [2020-10-27 02:02:54,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:02:54,090 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1357986767] [2020-10-27 02:02:54,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:02:54,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:02:54,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:02:54,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:02:59,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:02:59,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 02:02:59,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:02:59,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5337 [2020-10-27 02:02:59,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:02:59,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:02:59,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-27 02:02:59,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:02:59,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:02:59,674 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-27 02:02:59,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:02:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:02:59,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:02:59,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:02:59,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:02:59,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:02:59,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 02:02:59,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:02:59,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:02:59,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:02:59,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:02:59,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:02:59,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:02:59,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:02:59,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:02:59,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:02:59,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:02:59,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:02:59,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 02:02:59,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:02:59,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:02:59,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:02:59,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:02:59,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:02:59,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:02:59,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:02:59,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:02:59,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:02:59,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:02:59,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:02:59,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 02:02:59,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:02:59,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:02:59,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:02:59,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:02:59,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:02:59,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:02:59,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:02:59,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:02:59,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:02:59,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:02:59,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:02:59,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 02:02:59,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:02:59,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:02:59,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:02:59,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:02:59,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:02:59,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:02:59,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:02:59,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:03:00,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:03:00,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 02:03:00,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:03:00,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-27 02:03:00,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:03:00,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:03:00,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 02:03:00,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:03:00,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:03:00,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:03:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:03:00,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:03:00,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:03:00,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:03:00,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:03:00,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-27 02:03:00,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:03:00,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:03:00,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:03:00,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:03:00,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:03:00,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 02:03:00,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:03:00,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:03:00,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:03:00,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:03:00,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:03:00,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 02:03:00,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:03:00,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:03:00,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:03:00,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:03:00,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 02:03:00,265 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 02:03:00,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1357986767] [2020-10-27 02:03:00,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:03:00,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 02:03:00,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892721819] [2020-10-27 02:03:00,269 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 02:03:00,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:03:00,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 02:03:00,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-27 02:03:00,271 INFO L87 Difference]: Start difference. First operand 300 states and 407 transitions. Second operand 10 states. [2020-10-27 02:03:00,413 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-27 02:03:48,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:03:48,652 INFO L93 Difference]: Finished difference Result 594 states and 823 transitions. [2020-10-27 02:03:48,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 02:03:48,653 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 54 [2020-10-27 02:03:48,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:03:48,658 INFO L225 Difference]: With dead ends: 594 [2020-10-27 02:03:48,658 INFO L226 Difference]: Without dead ends: 342 [2020-10-27 02:03:48,659 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2020-10-27 02:03:48,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-10-27 02:03:48,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 304. [2020-10-27 02:03:48,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2020-10-27 02:03:48,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 411 transitions. [2020-10-27 02:03:48,695 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 411 transitions. Word has length 54 [2020-10-27 02:03:48,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:03:48,695 INFO L481 AbstractCegarLoop]: Abstraction has 304 states and 411 transitions. [2020-10-27 02:03:48,696 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 02:03:48,696 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 411 transitions. [2020-10-27 02:03:48,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-27 02:03:48,699 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:03:48,699 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 02:03:48,699 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 02:03:48,699 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:03:48,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:03:48,700 INFO L82 PathProgramCache]: Analyzing trace with hash -590323749, now seen corresponding path program 1 times [2020-10-27 02:03:48,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:03:48,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [365732540] [2020-10-27 02:03:48,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:03:48,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:03:48,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:03:48,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:03:53,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:03:53,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 02:03:53,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:03:53,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5118 [2020-10-27 02:03:53,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:03:53,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:03:53,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-27 02:03:53,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 02:03:53,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:03:54,086 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-27 02:03:54,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:03:54,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:03:54,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:03:54,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:03:54,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:03:54,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:03:54,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 02:03:54,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:03:54,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:03:54,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:03:54,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:03:54,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:03:54,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:03:54,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:03:54,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:03:54,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:03:54,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:03:54,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:03:54,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 02:03:54,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:03:54,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:03:54,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:03:54,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:03:54,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:03:54,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:03:54,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:03:54,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:03:54,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:03:54,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:03:54,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:03:54,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 02:03:54,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:03:54,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:03:54,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:03:54,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:03:54,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:03:54,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:03:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:03:54,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:03:54,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:03:54,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:03:54,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:03:54,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 02:03:54,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:03:54,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:03:54,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:03:54,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:03:54,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:03:54,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:03:54,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:03:54,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:03:54,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:03:54,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 02:03:54,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:03:54,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-27 02:03:54,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:03:54,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:03:54,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:03:54,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 02:03:54,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:03:54,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:03:54,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:03:54,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:03:54,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:03:54,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:03:54,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:03:54,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 02:03:54,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:03:54,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:03:54,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:03:54,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:03:54,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:03:54,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 02:03:54,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:03:54,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:03:54,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:03:54,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:03:54,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:03:54,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 02:03:54,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:03:54,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:03:54,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:03:54,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:03:54,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:03:54,561 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 02:03:54,562 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [365732540] [2020-10-27 02:03:54,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:03:54,562 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 02:03:54,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885101249] [2020-10-27 02:03:54,563 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 02:03:54,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:03:54,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 02:03:54,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-27 02:03:54,565 INFO L87 Difference]: Start difference. First operand 304 states and 411 transitions. Second operand 10 states. [2020-10-27 02:03:54,707 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-27 02:04:51,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:04:51,588 INFO L93 Difference]: Finished difference Result 589 states and 818 transitions. [2020-10-27 02:04:51,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 02:04:51,589 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 54 [2020-10-27 02:04:51,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:04:51,594 INFO L225 Difference]: With dead ends: 589 [2020-10-27 02:04:51,594 INFO L226 Difference]: Without dead ends: 340 [2020-10-27 02:04:51,596 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-10-27 02:04:51,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2020-10-27 02:04:51,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 300. [2020-10-27 02:04:51,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2020-10-27 02:04:51,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 406 transitions. [2020-10-27 02:04:51,645 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 406 transitions. Word has length 54 [2020-10-27 02:04:51,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:04:51,648 INFO L481 AbstractCegarLoop]: Abstraction has 300 states and 406 transitions. [2020-10-27 02:04:51,648 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 02:04:51,648 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 406 transitions. [2020-10-27 02:04:51,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-27 02:04:51,659 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:04:51,659 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:04:51,659 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 02:04:51,660 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:04:51,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:04:51,660 INFO L82 PathProgramCache]: Analyzing trace with hash 154470154, now seen corresponding path program 1 times [2020-10-27 02:04:51,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:04:51,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1001014603] [2020-10-27 02:04:51,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:04:51,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:51,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:55,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:57,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:57,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 02:04:57,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:04:57,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5607 [2020-10-27 02:04:57,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:57,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:04:57,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-27 02:04:57,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:04:57,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:57,505 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-27 02:04:57,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:04:57,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:57,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:57,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:57,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:04:57,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:04:57,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 02:04:57,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:57,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:04:57,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:04:57,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:04:57,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:57,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:04:57,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:57,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:57,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:57,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:04:57,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:04:57,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 02:04:57,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:57,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:04:57,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:04:57,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:04:57,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:57,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:04:57,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:57,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:57,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:57,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:04:57,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:04:57,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 02:04:57,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:57,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:04:57,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:04:57,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:04:57,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:57,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:04:57,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:57,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:57,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:57,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:04:57,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:04:57,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 02:04:57,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:57,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:04:57,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:04:57,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:04:57,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:57,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:04:57,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:57,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:57,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:57,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 02:04:57,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:04:57,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-10-27 02:04:57,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:57,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:04:57,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 02:04:57,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:04:57,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:57,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:04:57,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:57,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:57,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:57,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:04:57,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:04:57,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 02:04:57,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:57,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:04:57,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:04:57,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:04:57,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:57,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:04:57,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:58,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:58,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:58,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:04:58,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:04:58,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 02:04:58,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:58,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:04:58,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:04:58,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:04:58,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:58,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 02:04:58,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:58,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:58,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:58,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:04:58,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:04:58,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 02:04:58,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:58,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:04:58,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:04:58,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:04:58,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:58,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 02:04:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:58,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:58,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:58,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:04:58,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:04:58,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 02:04:58,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:58,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:04:58,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:04:58,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:04:58,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:58,178 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 02:04:58,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1001014603] [2020-10-27 02:04:58,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:04:58,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 02:04:58,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612014606] [2020-10-27 02:04:58,180 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 02:04:58,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:04:58,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 02:04:58,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-27 02:04:58,182 INFO L87 Difference]: Start difference. First operand 300 states and 406 transitions. Second operand 9 states. [2020-10-27 02:04:58,354 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-27 02:05:01,188 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-27 02:05:01,371 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 105