/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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 -i ../../../trunk/examples/svcomp/ntdrivers/kbfiltr.i.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 00:13:20,163 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 00:13:20,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 00:13:20,210 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 00:13:20,210 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 00:13:20,222 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 00:13:20,223 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 00:13:20,226 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 00:13:20,230 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 00:13:20,233 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 00:13:20,234 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 00:13:20,236 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 00:13:20,236 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 00:13:20,239 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 00:13:20,242 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 00:13:20,245 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 00:13:20,245 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 00:13:20,247 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 00:13:20,249 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 00:13:20,256 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 00:13:20,262 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 00:13:20,262 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 00:13:20,264 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 00:13:20,265 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 00:13:20,268 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 00:13:20,268 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 00:13:20,269 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 00:13:20,270 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 00:13:20,271 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 00:13:20,272 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 00:13:20,272 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 00:13:20,273 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 00:13:20,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 00:13:20,274 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 00:13:20,276 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 00:13:20,276 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 00:13:20,276 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 00:13:20,277 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 00:13:20,277 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 00:13:20,278 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 00:13:20,279 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 00:13:20,281 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 [2020-10-15 00:13:20,324 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 00:13:20,324 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 00:13:20,327 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 00:13:20,327 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 00:13:20,327 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 00:13:20,327 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 00:13:20,328 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 00:13:20,328 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 00:13:20,328 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 00:13:20,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 00:13:20,329 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 00:13:20,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 00:13:20,330 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 00:13:20,330 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 00:13:20,331 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 00:13:20,331 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 00:13:20,331 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 00:13:20,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 00:13:20,331 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 00:13:20,332 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 00:13:20,332 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 00:13:20,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 00:13:20,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 00:13:20,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 00:13:20,333 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 00:13:20,333 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 00:13:20,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 00:13:20,333 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 00:13:20,333 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 00:13:20,333 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 00:13:20,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 00:13:20,638 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 00:13:20,642 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 00:13:20,644 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 00:13:20,644 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 00:13:20,645 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers/kbfiltr.i.cil-2.c [2020-10-15 00:13:20,708 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5359b7272/d7377da2efb6425597aa7eabc11137ed/FLAGb107b2094 [2020-10-15 00:13:21,428 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 00:13:21,429 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ntdrivers/kbfiltr.i.cil-2.c [2020-10-15 00:13:21,471 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5359b7272/d7377da2efb6425597aa7eabc11137ed/FLAGb107b2094 [2020-10-15 00:13:21,539 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5359b7272/d7377da2efb6425597aa7eabc11137ed [2020-10-15 00:13:21,549 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 00:13:21,551 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 00:13:21,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 00:13:21,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 00:13:21,558 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 00:13:21,559 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:13:21" (1/1) ... [2020-10-15 00:13:21,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aa9c59c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:13:21, skipping insertion in model container [2020-10-15 00:13:21,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:13:21" (1/1) ... [2020-10-15 00:13:21,573 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 00:13:21,670 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 00:13:22,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 00:13:22,702 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 00:13:22,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 00:13:23,099 INFO L208 MainTranslator]: Completed translation [2020-10-15 00:13:23,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:13:23 WrapperNode [2020-10-15 00:13:23,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 00:13:23,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 00:13:23,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 00:13:23,103 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 00:13:23,121 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:13:23" (1/1) ... [2020-10-15 00:13:23,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:13:23" (1/1) ... [2020-10-15 00:13:23,211 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:13:23" (1/1) ... [2020-10-15 00:13:23,211 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:13:23" (1/1) ... [2020-10-15 00:13:23,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:13:23" (1/1) ... [2020-10-15 00:13:23,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:13:23" (1/1) ... [2020-10-15 00:13:23,430 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:13:23" (1/1) ... [2020-10-15 00:13:23,452 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 00:13:23,453 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 00:13:23,453 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 00:13:23,453 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 00:13:23,454 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:13:23" (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 [2020-10-15 00:13:23,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 00:13:23,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 00:13:23,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~PVOID~0~X~~PVOID~0~X~$Pointer$~X~$Pointer$~X~~PBOOLEAN~0~TO~~NTSTATUS~0 [2020-10-15 00:13:23,537 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 [2020-10-15 00:13:23,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~PVOID~0~X~~PVOID~0~X~~PVOID~0~X~~PVOID~0~TO~VOID [2020-10-15 00:13:23,537 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-15 00:13:23,537 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedIncrement [2020-10-15 00:13:23,537 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedDecrement [2020-10-15 00:13:23,538 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_IoCtl [2020-10-15 00:13:23,538 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2020-10-15 00:13:23,538 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2020-10-15 00:13:23,538 INFO L138 BoogieDeclarations]: Found implementation of procedure DriverEntry [2020-10-15 00:13:23,538 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_AddDevice [2020-10-15 00:13:23,539 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2020-10-15 00:13:23,539 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2020-10-15 00:13:23,539 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2020-10-15 00:13:23,539 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InternIoCtl [2020-10-15 00:13:23,539 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2020-10-15 00:13:23,540 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Power [2020-10-15 00:13:23,540 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InitializationRoutine [2020-10-15 00:13:23,540 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_IsrHook [2020-10-15 00:13:23,540 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_ServiceCallback [2020-10-15 00:13:23,540 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Unload [2020-10-15 00:13:23,541 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2020-10-15 00:13:23,541 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 00:13:23,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAcquireFastMutex [2020-10-15 00:13:23,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ExReleaseFastMutex [2020-10-15 00:13:23,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2020-10-15 00:13:23,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ExFreePool [2020-10-15 00:13:23,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertHeadList [2020-10-15 00:13:23,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertTailList [2020-10-15 00:13:23,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedRemoveHeadList [2020-10-15 00:13:23,542 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAllocateMdl [2020-10-15 00:13:23,542 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAttachDeviceToDeviceStack [2020-10-15 00:13:23,542 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildAsynchronousFsdRequest [2020-10-15 00:13:23,542 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2020-10-15 00:13:23,543 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateDevice [2020-10-15 00:13:23,543 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateSymbolicLink [2020-10-15 00:13:23,543 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteDevice [2020-10-15 00:13:23,543 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2020-10-15 00:13:23,543 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDetachDevice [2020-10-15 00:13:23,543 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeIrp [2020-10-15 00:13:23,543 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeMdl [2020-10-15 00:13:23,544 INFO L138 BoogieDeclarations]: Found implementation of procedure IoGetConfigurationInformation [2020-10-15 00:13:23,544 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2020-10-15 00:13:23,544 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2020-10-15 00:13:23,544 INFO L138 BoogieDeclarations]: Found implementation of procedure IoReleaseCancelSpinLock [2020-10-15 00:13:23,544 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2020-10-15 00:13:23,544 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetHardErrorOrVerifyDevice [2020-10-15 00:13:23,545 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2020-10-15 00:13:23,545 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2020-10-15 00:13:23,545 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2020-10-15 00:13:23,545 INFO L138 BoogieDeclarations]: Found implementation of procedure KeAcquireSpinLockRaiseToDpc [2020-10-15 00:13:23,545 INFO L138 BoogieDeclarations]: Found implementation of procedure KeDelayExecutionThread [2020-10-15 00:13:23,545 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeEvent [2020-10-15 00:13:23,545 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSemaphore [2020-10-15 00:13:23,546 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSpinLock [2020-10-15 00:13:23,546 INFO L138 BoogieDeclarations]: Found implementation of procedure KeReleaseSemaphore [2020-10-15 00:13:23,546 INFO L138 BoogieDeclarations]: Found implementation of procedure KfReleaseSpinLock [2020-10-15 00:13:23,546 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2020-10-15 00:13:23,546 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2020-10-15 00:13:23,546 INFO L138 BoogieDeclarations]: Found implementation of procedure MmAllocateContiguousMemory [2020-10-15 00:13:23,547 INFO L138 BoogieDeclarations]: Found implementation of procedure MmFreeContiguousMemory [2020-10-15 00:13:23,547 INFO L138 BoogieDeclarations]: Found implementation of procedure MmMapLockedPagesSpecifyCache [2020-10-15 00:13:23,547 INFO L138 BoogieDeclarations]: Found implementation of procedure MmPageEntireDriver [2020-10-15 00:13:23,547 INFO L138 BoogieDeclarations]: Found implementation of procedure MmResetDriverPaging [2020-10-15 00:13:23,547 INFO L138 BoogieDeclarations]: Found implementation of procedure MmUnlockPages [2020-10-15 00:13:23,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2020-10-15 00:13:23,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ObfDereferenceObject [2020-10-15 00:13:23,548 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2020-10-15 00:13:23,548 INFO L138 BoogieDeclarations]: Found implementation of procedure PoStartNextPowerIrp [2020-10-15 00:13:23,548 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2020-10-15 00:13:23,548 INFO L138 BoogieDeclarations]: Found implementation of procedure PsTerminateSystemThread [2020-10-15 00:13:23,548 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlAnsiStringToUnicodeString [2020-10-15 00:13:23,548 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCompareMemory [2020-10-15 00:13:23,549 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCopyUnicodeString [2020-10-15 00:13:23,549 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlDeleteRegistryValue [2020-10-15 00:13:23,549 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlFreeUnicodeString [2020-10-15 00:13:23,549 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitString [2020-10-15 00:13:23,549 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitUnicodeString [2020-10-15 00:13:23,549 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlQueryRegistryValues [2020-10-15 00:13:23,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2020-10-15 00:13:23,550 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-15 00:13:23,550 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2020-10-15 00:13:23,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 00:13:23,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-15 00:13:23,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 00:13:23,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-15 00:13:23,551 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-15 00:13:23,551 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-15 00:13:23,551 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-15 00:13:23,551 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-15 00:13:23,551 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2020-10-15 00:13:23,551 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-15 00:13:23,551 INFO L130 BoogieDeclarations]: Found specification of procedure RtlQueryRegistryValues [2020-10-15 00:13:23,552 INFO L130 BoogieDeclarations]: Found specification of procedure RtlDeleteRegistryValue [2020-10-15 00:13:23,552 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitString [2020-10-15 00:13:23,552 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitUnicodeString [2020-10-15 00:13:23,552 INFO L130 BoogieDeclarations]: Found specification of procedure RtlAnsiStringToUnicodeString [2020-10-15 00:13:23,552 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCopyUnicodeString [2020-10-15 00:13:23,552 INFO L130 BoogieDeclarations]: Found specification of procedure RtlFreeUnicodeString [2020-10-15 00:13:23,552 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCompareMemory [2020-10-15 00:13:23,553 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedIncrement [2020-10-15 00:13:23,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 00:13:23,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 00:13:23,553 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedDecrement [2020-10-15 00:13:23,553 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeEvent [2020-10-15 00:13:23,553 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2020-10-15 00:13:23,554 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSemaphore [2020-10-15 00:13:23,554 INFO L130 BoogieDeclarations]: Found specification of procedure KeReleaseSemaphore [2020-10-15 00:13:23,554 INFO L130 BoogieDeclarations]: Found specification of procedure KeDelayExecutionThread [2020-10-15 00:13:23,554 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2020-10-15 00:13:23,554 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSpinLock [2020-10-15 00:13:23,554 INFO L130 BoogieDeclarations]: Found specification of procedure KfReleaseSpinLock [2020-10-15 00:13:23,554 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2020-10-15 00:13:23,555 INFO L130 BoogieDeclarations]: Found specification of procedure ExFreePool [2020-10-15 00:13:23,555 INFO L130 BoogieDeclarations]: Found specification of procedure ExAcquireFastMutex [2020-10-15 00:13:23,555 INFO L130 BoogieDeclarations]: Found specification of procedure ExReleaseFastMutex [2020-10-15 00:13:23,555 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertHeadList [2020-10-15 00:13:23,555 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertTailList [2020-10-15 00:13:23,555 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedRemoveHeadList [2020-10-15 00:13:23,555 INFO L130 BoogieDeclarations]: Found specification of procedure MmUnlockPages [2020-10-15 00:13:23,556 INFO L130 BoogieDeclarations]: Found specification of procedure MmMapLockedPagesSpecifyCache [2020-10-15 00:13:23,556 INFO L130 BoogieDeclarations]: Found specification of procedure MmAllocateContiguousMemory [2020-10-15 00:13:23,556 INFO L130 BoogieDeclarations]: Found specification of procedure MmFreeContiguousMemory [2020-10-15 00:13:23,556 INFO L130 BoogieDeclarations]: Found specification of procedure MmResetDriverPaging [2020-10-15 00:13:23,556 INFO L130 BoogieDeclarations]: Found specification of procedure MmPageEntireDriver [2020-10-15 00:13:23,556 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2020-10-15 00:13:23,557 INFO L130 BoogieDeclarations]: Found specification of procedure PsTerminateSystemThread [2020-10-15 00:13:23,557 INFO L130 BoogieDeclarations]: Found specification of procedure IoAllocateMdl [2020-10-15 00:13:23,557 INFO L130 BoogieDeclarations]: Found specification of procedure IoAttachDeviceToDeviceStack [2020-10-15 00:13:23,557 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildAsynchronousFsdRequest [2020-10-15 00:13:23,557 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2020-10-15 00:13:23,557 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2020-10-15 00:13:23,558 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2020-10-15 00:13:23,558 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateDevice [2020-10-15 00:13:23,558 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateSymbolicLink [2020-10-15 00:13:23,558 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteDevice [2020-10-15 00:13:23,558 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2020-10-15 00:13:23,558 INFO L130 BoogieDeclarations]: Found specification of procedure IoDetachDevice [2020-10-15 00:13:23,558 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeIrp [2020-10-15 00:13:23,559 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeMdl [2020-10-15 00:13:23,559 INFO L130 BoogieDeclarations]: Found specification of procedure IoGetConfigurationInformation [2020-10-15 00:13:23,559 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2020-10-15 00:13:23,559 INFO L130 BoogieDeclarations]: Found specification of procedure IoReleaseCancelSpinLock [2020-10-15 00:13:23,559 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetHardErrorOrVerifyDevice [2020-10-15 00:13:23,559 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2020-10-15 00:13:23,559 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2020-10-15 00:13:23,560 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2020-10-15 00:13:23,560 INFO L130 BoogieDeclarations]: Found specification of procedure PoStartNextPowerIrp [2020-10-15 00:13:23,560 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2020-10-15 00:13:23,560 INFO L130 BoogieDeclarations]: Found specification of procedure ObfDereferenceObject [2020-10-15 00:13:23,560 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2020-10-15 00:13:23,560 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_AddDevice [2020-10-15 00:13:23,560 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2020-10-15 00:13:23,561 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2020-10-15 00:13:23,561 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InternIoCtl [2020-10-15 00:13:23,561 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_IoCtl [2020-10-15 00:13:23,561 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2020-10-15 00:13:23,561 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Power [2020-10-15 00:13:23,561 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InitializationRoutine [2020-10-15 00:13:23,561 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_IsrHook [2020-10-15 00:13:23,562 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_ServiceCallback [2020-10-15 00:13:23,562 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Unload [2020-10-15 00:13:23,562 INFO L130 BoogieDeclarations]: Found specification of procedure DriverEntry [2020-10-15 00:13:23,562 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 00:13:23,562 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2020-10-15 00:13:23,562 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2020-10-15 00:13:23,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 00:13:23,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 00:13:23,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 00:13:23,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 00:13:23,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-15 00:13:23,563 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2020-10-15 00:13:23,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2020-10-15 00:13:23,563 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~PVOID~0~X~~PVOID~0~X~$Pointer$~X~$Pointer$~X~~PBOOLEAN~0~TO~~NTSTATUS~0 [2020-10-15 00:13:23,563 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 [2020-10-15 00:13:23,564 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~PVOID~0~X~~PVOID~0~X~~PVOID~0~X~~PVOID~0~TO~VOID [2020-10-15 00:13:23,564 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2020-10-15 00:13:23,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-10-15 00:13:23,564 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 00:13:23,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 00:13:23,564 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2020-10-15 00:13:23,565 INFO L130 BoogieDeclarations]: Found specification of procedure KeAcquireSpinLockRaiseToDpc [2020-10-15 00:13:23,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 00:13:23,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 00:13:23,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-15 00:13:23,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-15 00:13:23,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-15 00:13:23,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-15 00:13:24,178 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:13:24,239 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-15 00:13:24,239 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-15 00:13:24,240 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:13:24,249 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-15 00:13:24,250 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-15 00:13:24,270 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:13:24,279 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-15 00:13:24,280 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-15 00:13:24,280 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:13:24,294 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-15 00:13:24,294 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-15 00:13:24,300 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:13:24,310 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-15 00:13:24,311 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-15 00:13:24,702 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:13:24,720 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-15 00:13:24,720 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-15 00:13:24,720 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:13:24,737 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-15 00:13:24,737 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-15 00:13:24,738 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:13:24,764 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-15 00:13:24,765 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-15 00:13:24,805 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:13:24,815 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-15 00:13:24,815 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-15 00:13:24,815 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:13:24,824 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-15 00:13:24,824 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-15 00:13:24,824 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:13:24,836 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-15 00:13:24,837 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-15 00:13:24,890 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:13:24,899 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-15 00:13:24,899 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-15 00:13:24,900 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:13:24,911 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-15 00:13:24,911 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-15 00:13:24,925 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:13:32,167 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2020-10-15 00:13:32,168 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2020-10-15 00:13:32,193 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:13:32,215 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2020-10-15 00:13:32,215 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2020-10-15 00:13:32,234 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:13:32,240 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-15 00:13:32,241 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-15 00:13:32,245 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:13:34,451 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2020-10-15 00:13:34,451 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2020-10-15 00:13:45,326 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:13:45,338 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-15 00:13:45,338 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-15 00:13:45,486 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:13:45,502 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-15 00:13:45,502 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-15 00:13:45,520 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:13:45,544 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2020-10-15 00:13:45,544 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2020-10-15 00:13:45,552 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:13:45,565 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2020-10-15 00:13:45,566 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2020-10-15 00:13:45,605 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:13:45,613 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-15 00:13:45,613 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-15 00:13:45,623 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:13:50,481 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2020-10-15 00:13:50,481 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2020-10-15 00:13:50,490 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 00:13:50,495 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-15 00:13:50,495 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-15 00:13:52,651 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 00:13:52,651 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-15 00:13:52,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:13:52 BoogieIcfgContainer [2020-10-15 00:13:52,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 00:13:52,664 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 00:13:52,665 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 00:13:52,668 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 00:13:52,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 12:13:21" (1/3) ... [2020-10-15 00:13:52,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fcc87e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:13:52, skipping insertion in model container [2020-10-15 00:13:52,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:13:23" (2/3) ... [2020-10-15 00:13:52,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fcc87e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:13:52, skipping insertion in model container [2020-10-15 00:13:52,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:13:52" (3/3) ... [2020-10-15 00:13:52,674 INFO L109 eAbstractionObserver]: Analyzing ICFG kbfiltr.i.cil-2.c [2020-10-15 00:13:52,696 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 00:13:52,709 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 00:13:52,726 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 00:13:52,771 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 00:13:52,771 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 00:13:52,771 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 00:13:52,771 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 00:13:52,771 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 00:13:52,772 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 00:13:52,772 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 00:13:52,772 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 00:13:52,808 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states. [2020-10-15 00:13:52,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-15 00:13:52,816 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 00:13:52,818 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 00:13:52,818 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 00:13:52,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 00:13:52,824 INFO L82 PathProgramCache]: Analyzing trace with hash -1527304897, now seen corresponding path program 1 times [2020-10-15 00:13:52,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 00:13:52,836 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2063773971] [2020-10-15 00:13:52,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 00:13:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:13:53,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:13:53,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:13:53,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:13:54,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:13:54,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:13:54,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:13:54,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:13:56,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:13:56,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 00:13:56,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-15 00:13:56,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3680 [2020-10-15 00:13:56,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:13:56,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:13:56,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:13:56,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 00:13:56,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 00:13:56,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-15 00:13:57,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:13:57,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:13:57,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:13:57,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:13:57,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:13:57,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:13:57,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-15 00:13:57,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:13:57,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:13:57,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:13:57,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:13:57,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:13:57,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:13:57,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:13:57,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:13:57,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:13:57,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:13:57,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:13:57,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:13:57,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-15 00:13:57,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:13:57,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:13:57,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:13:57,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:13:57,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 00:13:57,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:13:57,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 00:13:57,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:13:57,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:13:57,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:13:57,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:13:57,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 00:13:57,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 00:13:57,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-15 00:13:57,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:13:57,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:13:57,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:13:57,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:13:57,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 00:13:57,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:13:57,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:13:57,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:13:57,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:13:57,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:13:57,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:13:57,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:13:57,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 00:13:57,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-15 00:13:57,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:13:57,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:13:57,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:13:57,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-15 00:13:57,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:13:57,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:13:57,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 00:13:57,400 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2063773971] [2020-10-15 00:13:57,402 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 00:13:57,402 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 00:13:57,403 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186792813] [2020-10-15 00:13:57,409 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 00:13:57,409 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 00:13:57,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 00:13:57,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-15 00:13:57,427 INFO L87 Difference]: Start difference. First operand 308 states. Second operand 6 states. [2020-10-15 00:14:30,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 00:14:30,967 INFO L93 Difference]: Finished difference Result 639 states and 945 transitions. [2020-10-15 00:14:30,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-15 00:14:30,972 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2020-10-15 00:14:30,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 00:14:30,996 INFO L225 Difference]: With dead ends: 639 [2020-10-15 00:14:30,996 INFO L226 Difference]: Without dead ends: 339 [2020-10-15 00:14:31,004 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-10-15 00:14:31,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2020-10-15 00:14:31,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 295. [2020-10-15 00:14:31,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2020-10-15 00:14:31,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 400 transitions. [2020-10-15 00:14:31,105 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 400 transitions. Word has length 31 [2020-10-15 00:14:31,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 00:14:31,106 INFO L479 AbstractCegarLoop]: Abstraction has 295 states and 400 transitions. [2020-10-15 00:14:31,106 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 00:14:31,106 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 400 transitions. [2020-10-15 00:14:31,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-15 00:14:31,107 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 00:14:31,108 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] [2020-10-15 00:14:31,108 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 00:14:31,108 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 00:14:31,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 00:14:31,109 INFO L82 PathProgramCache]: Analyzing trace with hash -2087837880, now seen corresponding path program 1 times [2020-10-15 00:14:31,109 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 00:14:31,110 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1195937293] [2020-10-15 00:14:31,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 00:14:31,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:14:31,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:14:31,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:14:31,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:14:31,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:14:32,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:14:32,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:14:34,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:14:34,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-15 00:14:34,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 00:14:34,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3639 [2020-10-15 00:14:34,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:14:34,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:14:34,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:14:34,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 00:14:34,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-15 00:14:34,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:14:34,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:14:34,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:14:34,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:14:34,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:14:34,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:14:34,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:14:34,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 00:14:35,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:14:35,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:14:35,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:14:35,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:14:35,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:14:35,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:14:35,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:14:35,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:14:35,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:14:35,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:14:35,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:14:35,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:14:35,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-15 00:14:35,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:14:35,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:14:35,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:14:35,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:14:35,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 00:14:35,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:14:35,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 00:14:35,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:14:35,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:14:35,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:14:35,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 00:14:35,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:14:35,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-15 00:14:35,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:14:35,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:14:35,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:14:35,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:14:35,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 00:14:35,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:14:35,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:14:35,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:14:35,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:14:35,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:14:35,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:14:35,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:14:35,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 00:14:35,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:14:35,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:14:35,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:14:35,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:14:35,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:14:35,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:14:35,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 00:14:35,246 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1195937293] [2020-10-15 00:14:35,247 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 00:14:35,247 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 00:14:35,247 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815954238] [2020-10-15 00:14:35,249 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 00:14:35,250 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 00:14:35,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 00:14:35,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-15 00:14:35,250 INFO L87 Difference]: Start difference. First operand 295 states and 400 transitions. Second operand 6 states. [2020-10-15 00:15:09,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 00:15:09,115 INFO L93 Difference]: Finished difference Result 350 states and 476 transitions. [2020-10-15 00:15:09,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-15 00:15:09,116 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2020-10-15 00:15:09,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 00:15:09,123 INFO L225 Difference]: With dead ends: 350 [2020-10-15 00:15:09,124 INFO L226 Difference]: Without dead ends: 337 [2020-10-15 00:15:09,125 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-10-15 00:15:09,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2020-10-15 00:15:09,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 295. [2020-10-15 00:15:09,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2020-10-15 00:15:09,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 399 transitions. [2020-10-15 00:15:09,185 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 399 transitions. Word has length 32 [2020-10-15 00:15:09,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 00:15:09,186 INFO L479 AbstractCegarLoop]: Abstraction has 295 states and 399 transitions. [2020-10-15 00:15:09,186 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 00:15:09,186 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 399 transitions. [2020-10-15 00:15:09,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-15 00:15:09,195 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 00:15:09,195 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] [2020-10-15 00:15:09,195 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 00:15:09,196 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 00:15:09,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 00:15:09,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1475200930, now seen corresponding path program 1 times [2020-10-15 00:15:09,196 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 00:15:09,198 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [184311305] [2020-10-15 00:15:09,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 00:15:09,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:15:09,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:15:09,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:15:13,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:15:14,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:15:14,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-15 00:15:14,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 00:15:14,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5080 [2020-10-15 00:15:14,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:15:14,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:15:14,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 00:15:14,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-15 00:15:14,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-15 00:15:14,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:15:14,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:15:14,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:15:14,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:15:14,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:15:14,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:15:14,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:15:14,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 00:15:14,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:15:14,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:15:14,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:15:14,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:15:14,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:15:14,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:15:14,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:15:14,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:15:14,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:15:14,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:15:14,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:15:14,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:15:14,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-15 00:15:14,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:15:14,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:15:14,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:15:14,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:15:14,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:15:14,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:15:14,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 00:15:14,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:15:14,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:15:14,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:15:14,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 00:15:14,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:15:14,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-15 00:15:14,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:15:14,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:15:14,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:15:14,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:15:14,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:15:14,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:15:14,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:15:14,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:15:14,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:15:14,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:15:14,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:15:14,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:15:14,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 00:15:14,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:15:14,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:15:14,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:15:14,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:15:14,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:15:14,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:15:14,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 00:15:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:15:14,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:15:14,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:15:14,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:15:14,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 00:15:14,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 00:15:14,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-15 00:15:14,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:15:14,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:15:14,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 00:15:14,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 00:15:14,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 00:15:14,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:15:14,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:15:14,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:15:14,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:15:14,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:15:14,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 00:15:15,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:15:15,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-15 00:15:15,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:15:15,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:15:15,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 00:15:15,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:15:15,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 00:15:15,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:15:15,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-15 00:15:15,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:15:15,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:15:15,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:15:15,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:15:15,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:15:15,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-15 00:15:15,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:15:15,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:15:15,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:15:15,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:15:15,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 00:15:15,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:15:15,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 00:15:15,131 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [184311305] [2020-10-15 00:15:15,131 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 00:15:15,131 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-15 00:15:15,132 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656705708] [2020-10-15 00:15:15,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 00:15:15,133 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 00:15:15,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 00:15:15,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-10-15 00:15:15,134 INFO L87 Difference]: Start difference. First operand 295 states and 399 transitions. Second operand 11 states. [2020-10-15 00:16:05,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 00:16:05,896 INFO L93 Difference]: Finished difference Result 677 states and 932 transitions. [2020-10-15 00:16:05,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-15 00:16:05,897 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 53 [2020-10-15 00:16:05,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 00:16:05,906 INFO L225 Difference]: With dead ends: 677 [2020-10-15 00:16:05,907 INFO L226 Difference]: Without dead ends: 430 [2020-10-15 00:16:05,909 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=108, Invalid=354, Unknown=0, NotChecked=0, Total=462 [2020-10-15 00:16:05,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2020-10-15 00:16:05,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 350. [2020-10-15 00:16:05,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2020-10-15 00:16:05,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 474 transitions. [2020-10-15 00:16:05,945 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 474 transitions. Word has length 53 [2020-10-15 00:16:05,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 00:16:05,946 INFO L479 AbstractCegarLoop]: Abstraction has 350 states and 474 transitions. [2020-10-15 00:16:05,946 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 00:16:05,946 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 474 transitions. [2020-10-15 00:16:05,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-15 00:16:05,948 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 00:16:05,948 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] [2020-10-15 00:16:05,949 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 00:16:05,949 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 00:16:05,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 00:16:05,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1386963469, now seen corresponding path program 1 times [2020-10-15 00:16:05,949 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 00:16:05,950 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1308642118] [2020-10-15 00:16:05,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 00:16:06,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:16:06,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:16:07,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:16:11,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:16:11,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-15 00:16:11,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 00:16:11,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-15 00:16:11,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:16:11,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:16:11,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 00:16:11,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-15 00:16:11,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 00:16:11,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:16:11,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:16:11,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:16:11,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:16:11,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:16:11,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:16:11,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:16:11,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 00:16:11,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:16:11,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:16:11,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:16:11,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:16:11,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:16:11,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:16:11,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:16:11,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:16:11,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:16:11,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:16:11,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:16:11,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:16:11,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 00:16:11,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:16:11,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:16:11,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:16:11,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:16:11,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:16:11,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:16:11,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 00:16:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:16:11,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:16:11,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:16:11,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 00:16:11,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:16:11,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-15 00:16:11,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:16:11,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:16:11,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:16:11,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:16:11,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:16:11,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 00:16:11,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:16:11,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:16:11,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:16:11,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:16:11,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:16:11,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:16:11,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 00:16:11,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:16:11,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:16:11,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:16:11,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:16:11,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:16:11,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:16:11,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 00:16:11,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:16:11,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:16:11,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:16:11,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 00:16:11,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:16:11,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-15 00:16:11,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:16:11,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:16:11,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:16:11,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:16:11,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:16:11,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:16:11,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:16:11,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:16:11,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:16:11,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:16:11,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 00:16:11,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:16:11,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 00:16:11,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:16:11,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:16:11,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:16:11,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:16:11,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:16:11,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:16:11,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-15 00:16:11,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:16:11,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:16:11,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:16:11,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:16:11,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:16:11,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 00:16:11,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:16:11,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:16:11,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:16:11,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:16:11,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 00:16:11,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:16:11,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 00:16:11,522 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1308642118] [2020-10-15 00:16:11,522 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 00:16:11,522 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-15 00:16:11,522 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84196831] [2020-10-15 00:16:11,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 00:16:11,526 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 00:16:11,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 00:16:11,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-15 00:16:11,528 INFO L87 Difference]: Start difference. First operand 350 states and 474 transitions. Second operand 8 states. [2020-10-15 00:16:53,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 00:16:53,206 INFO L93 Difference]: Finished difference Result 432 states and 579 transitions. [2020-10-15 00:16:53,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-15 00:16:53,207 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2020-10-15 00:16:53,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 00:16:53,212 INFO L225 Difference]: With dead ends: 432 [2020-10-15 00:16:53,212 INFO L226 Difference]: Without dead ends: 426 [2020-10-15 00:16:53,213 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2020-10-15 00:16:53,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2020-10-15 00:16:53,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 346. [2020-10-15 00:16:53,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 346 states. [2020-10-15 00:16:53,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 466 transitions. [2020-10-15 00:16:53,248 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 466 transitions. Word has length 53 [2020-10-15 00:16:53,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 00:16:53,248 INFO L479 AbstractCegarLoop]: Abstraction has 346 states and 466 transitions. [2020-10-15 00:16:53,248 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 00:16:53,248 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 466 transitions. [2020-10-15 00:16:53,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-15 00:16:53,250 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 00:16:53,250 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] [2020-10-15 00:16:53,251 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 00:16:53,251 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 00:16:53,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 00:16:53,251 INFO L82 PathProgramCache]: Analyzing trace with hash -1012479778, now seen corresponding path program 1 times [2020-10-15 00:16:53,251 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 00:16:53,252 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [844022772] [2020-10-15 00:16:53,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 00:16:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:16:53,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:16:56,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:16:58,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:16:58,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-15 00:16:58,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 00:16:58,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5253 [2020-10-15 00:16:58,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:16:58,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:16:58,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 00:16:58,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-15 00:16:58,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 00:16:58,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:16:58,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 00:16:58,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:16:58,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:16:58,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:16:58,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:16:58,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:16:58,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 00:16:58,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:16:58,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:16:58,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:16:58,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:16:58,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:16:58,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:16:58,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 00:16:58,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:16:58,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:16:58,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:16:58,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:16:58,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:16:58,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 00:16:58,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:16:58,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:16:58,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:16:58,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:16:58,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:16:58,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:16:58,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 00:16:58,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:16:58,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:16:58,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:16:58,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 00:16:58,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:16:58,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-15 00:16:58,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:16:58,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:16:58,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:16:58,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:16:58,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:16:58,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:16:58,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:16:58,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:16:58,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:16:58,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:16:58,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 00:16:58,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:16:58,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 00:16:58,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:16:58,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:16:58,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:16:58,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:16:58,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:16:58,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:16:58,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 00:16:58,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:16:58,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:16:58,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:16:58,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 00:16:58,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:16:58,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 00:16:58,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:16:58,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:16:58,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:16:58,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:16:58,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:16:58,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:16:58,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 00:16:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:16:58,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:16:58,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:16:58,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 00:16:58,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:16:58,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 00:16:58,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:16:58,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:16:58,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 00:16:58,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:16:58,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 00:16:58,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 00:16:58,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-15 00:16:58,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:16:58,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:16:58,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 00:16:58,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 00:16:58,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 00:16:58,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 00:16:58,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 00:16:58,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 00:16:58,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 00:16:58,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 00:16:58,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 00:16:58,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 00:16:59,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 00:16:59,007 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [844022772] [2020-10-15 00:16:59,007 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 00:16:59,007 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-15 00:16:59,008 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479767212] [2020-10-15 00:16:59,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 00:16:59,008 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 00:16:59,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 00:16:59,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-15 00:16:59,009 INFO L87 Difference]: Start difference. First operand 346 states and 466 transitions. Second operand 8 states. [2020-10-15 00:17:30,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 00:17:31,000 INFO L93 Difference]: Finished difference Result 428 states and 571 transitions. [2020-10-15 00:17:31,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-15 00:17:31,001 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2020-10-15 00:17:31,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 00:17:31,006 INFO L225 Difference]: With dead ends: 428 [2020-10-15 00:17:31,006 INFO L226 Difference]: Without dead ends: 425 [2020-10-15 00:17:31,007 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2020-10-15 00:17:31,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2020-10-15 00:17:31,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 345. [2020-10-15 00:17:31,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 345 states. [2020-10-15 00:17:31,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 464 transitions. [2020-10-15 00:17:31,042 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 464 transitions. Word has length 53 [2020-10-15 00:17:31,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 00:17:31,042 INFO L479 AbstractCegarLoop]: Abstraction has 345 states and 464 transitions. [2020-10-15 00:17:31,042 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 00:17:31,042 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 464 transitions. [2020-10-15 00:17:31,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-15 00:17:31,044 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 00:17:31,044 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] [2020-10-15 00:17:31,044 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 00:17:31,045 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 00:17:31,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 00:17:31,045 INFO L82 PathProgramCache]: Analyzing trace with hash -177091811, now seen corresponding path program 1 times [2020-10-15 00:17:31,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 00:17:31,045 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1399105942] [2020-10-15 00:17:31,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 00:17:31,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 00:17:31,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 00:17:31,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking...