/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ntdrivers/diskperf.i.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 02:00:28,390 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 02:00:28,393 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 02:00:28,441 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 02:00:28,442 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 02:00:28,449 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 02:00:28,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 02:00:28,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 02:00:28,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 02:00:28,465 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 02:00:28,467 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 02:00:28,468 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 02:00:28,469 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 02:00:28,472 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 02:00:28,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 02:00:28,477 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 02:00:28,478 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 02:00:28,482 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 02:00:28,488 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 02:00:28,505 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 02:00:28,507 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 02:00:28,509 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 02:00:28,511 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 02:00:28,513 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 02:00:28,521 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 02:00:28,522 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 02:00:28,522 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 02:00:28,524 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 02:00:28,525 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 02:00:28,526 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 02:00:28,526 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 02:00:28,527 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 02:00:28,529 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 02:00:28,530 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 02:00:28,531 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 02:00:28,531 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 02:00:28,532 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 02:00:28,532 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 02:00:28,532 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 02:00:28,533 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 02:00:28,534 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 02:00:28,541 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 02:00:28,590 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 02:00:28,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 02:00:28,594 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 02:00:28,595 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 02:00:28,595 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 02:00:28,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 02:00:28,595 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 02:00:28,596 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 02:00:28,596 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 02:00:28,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 02:00:28,597 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 02:00:28,597 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 02:00:28,597 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 02:00:28,597 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 02:00:28,598 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 02:00:28,598 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 02:00:28,598 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 02:00:28,598 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 02:00:28,598 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 02:00:28,599 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 02:00:28,599 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 02:00:28,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:00:28,599 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 02:00:28,599 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 02:00:28,599 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 02:00:28,600 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 02:00:28,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 02:00:28,600 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 02:00:28,600 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 02:00:28,600 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 02:00:29,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 02:00:29,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 02:00:29,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 02:00:29,062 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 02:00:29,063 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 02:00:29,064 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers/diskperf.i.cil-1.c [2020-10-27 02:00:29,140 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/51657c44d/3b0384ba17c9426b96ce0cf6a1482e6c/FLAGd47529457 [2020-10-27 02:00:30,080 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 02:00:30,081 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ntdrivers/diskperf.i.cil-1.c [2020-10-27 02:00:30,119 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/51657c44d/3b0384ba17c9426b96ce0cf6a1482e6c/FLAGd47529457 [2020-10-27 02:00:30,139 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/51657c44d/3b0384ba17c9426b96ce0cf6a1482e6c [2020-10-27 02:00:30,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 02:00:30,149 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 02:00:30,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 02:00:30,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 02:00:30,155 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 02:00:30,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:00:30" (1/1) ... [2020-10-27 02:00:30,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54c95828 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:00:30, skipping insertion in model container [2020-10-27 02:00:30,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:00:30" (1/1) ... [2020-10-27 02:00:30,167 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 02:00:30,253 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 02:00:31,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:00:31,505 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 02:00:31,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:00:31,994 INFO L208 MainTranslator]: Completed translation [2020-10-27 02:00:32,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:00:32 WrapperNode [2020-10-27 02:00:32,035 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 02:00:32,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 02:00:32,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 02:00:32,038 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 02:00:32,052 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:00:32" (1/1) ... [2020-10-27 02:00:32,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:00:32" (1/1) ... [2020-10-27 02:00:32,215 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:00:32" (1/1) ... [2020-10-27 02:00:32,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:00:32" (1/1) ... [2020-10-27 02:00:32,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:00:32" (1/1) ... [2020-10-27 02:00:32,525 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:00:32" (1/1) ... [2020-10-27 02:00:32,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:00:32" (1/1) ... [2020-10-27 02:00:32,612 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 02:00:32,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 02:00:32,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 02:00:32,615 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 02:00:32,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:00:32" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:00:32,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 02:00:32,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 02:00:32,685 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 02:00:32,685 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_guard [2020-10-27 02:00:32,685 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedIncrement [2020-10-27 02:00:32,686 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedDecrement [2020-10-27 02:00:32,686 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedExchange [2020-10-27 02:00:32,686 INFO L138 BoogieDeclarations]: Found implementation of procedure KeGetCurrentProcessorNumber [2020-10-27 02:00:32,686 INFO L138 BoogieDeclarations]: Found implementation of procedure KeQuerySystemTime [2020-10-27 02:00:32,686 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAllocateErrorLogEntry [2020-10-27 02:00:32,686 INFO L138 BoogieDeclarations]: Found implementation of procedure IoWriteErrorLogEntry [2020-10-27 02:00:32,687 INFO L138 BoogieDeclarations]: Found implementation of procedure IoWMIRegistrationControl [2020-10-27 02:00:32,687 INFO L138 BoogieDeclarations]: Found implementation of procedure KeQueryPerformanceCounter [2020-10-27 02:00:32,687 INFO L138 BoogieDeclarations]: Found implementation of procedure WmiCompleteRequest [2020-10-27 02:00:32,687 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2020-10-27 02:00:32,687 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2020-10-27 02:00:32,687 INFO L138 BoogieDeclarations]: Found implementation of procedure DriverEntry [2020-10-27 02:00:32,687 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfSyncFilterWithTarget [2020-10-27 02:00:32,688 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfAddDevice [2020-10-27 02:00:32,688 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfDispatchPnp [2020-10-27 02:00:32,688 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfIrpCompletion [2020-10-27 02:00:32,688 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfStartDevice [2020-10-27 02:00:32,688 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfRemoveDevice [2020-10-27 02:00:32,688 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfSendToNextDriver [2020-10-27 02:00:32,688 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfDispatchPower [2020-10-27 02:00:32,689 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfForwardIrpSynchronous [2020-10-27 02:00:32,689 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfCreate [2020-10-27 02:00:32,689 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfReadWrite [2020-10-27 02:00:32,689 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfIoCompletion [2020-10-27 02:00:32,689 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfDeviceControl [2020-10-27 02:00:32,689 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfWmi [2020-10-27 02:00:32,689 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfShutdownFlush [2020-10-27 02:00:32,690 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfUnload [2020-10-27 02:00:32,690 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfRegisterDevice [2020-10-27 02:00:32,690 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfLogError [2020-10-27 02:00:32,690 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskperfQueryWmiRegInfo [2020-10-27 02:00:32,690 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskperfQueryWmiDataBlock [2020-10-27 02:00:32,690 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskperfWmiFunctionControl [2020-10-27 02:00:32,690 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfAddCounters [2020-10-27 02:00:32,691 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2020-10-27 02:00:32,691 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 02:00:32,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAcquireFastMutex [2020-10-27 02:00:32,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ExReleaseFastMutex [2020-10-27 02:00:32,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2020-10-27 02:00:32,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ExFreePool [2020-10-27 02:00:32,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertHeadList [2020-10-27 02:00:32,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertTailList [2020-10-27 02:00:32,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedRemoveHeadList [2020-10-27 02:00:32,692 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAllocateMdl [2020-10-27 02:00:32,692 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAttachDeviceToDeviceStack [2020-10-27 02:00:32,692 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildAsynchronousFsdRequest [2020-10-27 02:00:32,692 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2020-10-27 02:00:32,692 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateDevice [2020-10-27 02:00:32,693 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateSymbolicLink [2020-10-27 02:00:32,693 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteDevice [2020-10-27 02:00:32,693 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2020-10-27 02:00:32,693 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDetachDevice [2020-10-27 02:00:32,693 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeIrp [2020-10-27 02:00:32,693 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeMdl [2020-10-27 02:00:32,693 INFO L138 BoogieDeclarations]: Found implementation of procedure IoGetConfigurationInformation [2020-10-27 02:00:32,694 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2020-10-27 02:00:32,694 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2020-10-27 02:00:32,694 INFO L138 BoogieDeclarations]: Found implementation of procedure IoReleaseCancelSpinLock [2020-10-27 02:00:32,694 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2020-10-27 02:00:32,694 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetHardErrorOrVerifyDevice [2020-10-27 02:00:32,694 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2020-10-27 02:00:32,694 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2020-10-27 02:00:32,694 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2020-10-27 02:00:32,695 INFO L138 BoogieDeclarations]: Found implementation of procedure KeAcquireSpinLockRaiseToDpc [2020-10-27 02:00:32,695 INFO L138 BoogieDeclarations]: Found implementation of procedure KeDelayExecutionThread [2020-10-27 02:00:32,695 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeEvent [2020-10-27 02:00:32,695 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSemaphore [2020-10-27 02:00:32,695 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSpinLock [2020-10-27 02:00:32,695 INFO L138 BoogieDeclarations]: Found implementation of procedure KeReleaseSemaphore [2020-10-27 02:00:32,696 INFO L138 BoogieDeclarations]: Found implementation of procedure KfReleaseSpinLock [2020-10-27 02:00:32,696 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2020-10-27 02:00:32,696 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2020-10-27 02:00:32,696 INFO L138 BoogieDeclarations]: Found implementation of procedure MmAllocateContiguousMemory [2020-10-27 02:00:32,696 INFO L138 BoogieDeclarations]: Found implementation of procedure MmFreeContiguousMemory [2020-10-27 02:00:32,696 INFO L138 BoogieDeclarations]: Found implementation of procedure MmMapLockedPagesSpecifyCache [2020-10-27 02:00:32,696 INFO L138 BoogieDeclarations]: Found implementation of procedure MmPageEntireDriver [2020-10-27 02:00:32,697 INFO L138 BoogieDeclarations]: Found implementation of procedure MmResetDriverPaging [2020-10-27 02:00:32,697 INFO L138 BoogieDeclarations]: Found implementation of procedure MmUnlockPages [2020-10-27 02:00:32,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2020-10-27 02:00:32,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ObfDereferenceObject [2020-10-27 02:00:32,697 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2020-10-27 02:00:32,697 INFO L138 BoogieDeclarations]: Found implementation of procedure PoStartNextPowerIrp [2020-10-27 02:00:32,697 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2020-10-27 02:00:32,698 INFO L138 BoogieDeclarations]: Found implementation of procedure PsTerminateSystemThread [2020-10-27 02:00:32,698 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlAnsiStringToUnicodeString [2020-10-27 02:00:32,698 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCompareMemory [2020-10-27 02:00:32,698 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCopyUnicodeString [2020-10-27 02:00:32,698 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlDeleteRegistryValue [2020-10-27 02:00:32,698 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlFreeUnicodeString [2020-10-27 02:00:32,698 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitString [2020-10-27 02:00:32,698 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitUnicodeString [2020-10-27 02:00:32,699 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlQueryRegistryValues [2020-10-27 02:00:32,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2020-10-27 02:00:32,699 INFO L138 BoogieDeclarations]: Found implementation of procedure WmiSystemControl [2020-10-27 02:00:32,699 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-27 02:00:32,699 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-27 02:00:32,699 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2020-10-27 02:00:32,700 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 02:00:32,700 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 02:00:32,700 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 02:00:32,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 02:00:32,700 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-27 02:00:32,700 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 02:00:32,700 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-27 02:00:32,701 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-27 02:00:32,701 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_guard [2020-10-27 02:00:32,701 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-27 02:00:32,701 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2020-10-27 02:00:32,701 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-27 02:00:32,701 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 02:00:32,702 INFO L130 BoogieDeclarations]: Found specification of procedure RtlQueryRegistryValues [2020-10-27 02:00:32,702 INFO L130 BoogieDeclarations]: Found specification of procedure RtlDeleteRegistryValue [2020-10-27 02:00:32,702 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitString [2020-10-27 02:00:32,702 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitUnicodeString [2020-10-27 02:00:32,702 INFO L130 BoogieDeclarations]: Found specification of procedure RtlAnsiStringToUnicodeString [2020-10-27 02:00:32,702 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCopyUnicodeString [2020-10-27 02:00:32,702 INFO L130 BoogieDeclarations]: Found specification of procedure RtlFreeUnicodeString [2020-10-27 02:00:32,702 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCompareMemory [2020-10-27 02:00:32,703 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedIncrement [2020-10-27 02:00:32,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 02:00:32,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 02:00:32,703 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedDecrement [2020-10-27 02:00:32,703 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedExchange [2020-10-27 02:00:32,703 INFO L130 BoogieDeclarations]: Found specification of procedure KeGetCurrentProcessorNumber [2020-10-27 02:00:32,703 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeEvent [2020-10-27 02:00:32,704 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2020-10-27 02:00:32,704 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSemaphore [2020-10-27 02:00:32,704 INFO L130 BoogieDeclarations]: Found specification of procedure KeReleaseSemaphore [2020-10-27 02:00:32,704 INFO L130 BoogieDeclarations]: Found specification of procedure KeDelayExecutionThread [2020-10-27 02:00:32,704 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2020-10-27 02:00:32,704 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSpinLock [2020-10-27 02:00:32,705 INFO L130 BoogieDeclarations]: Found specification of procedure KfReleaseSpinLock [2020-10-27 02:00:32,705 INFO L130 BoogieDeclarations]: Found specification of procedure KeQuerySystemTime [2020-10-27 02:00:32,705 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2020-10-27 02:00:32,705 INFO L130 BoogieDeclarations]: Found specification of procedure ExFreePool [2020-10-27 02:00:32,705 INFO L130 BoogieDeclarations]: Found specification of procedure ExAcquireFastMutex [2020-10-27 02:00:32,705 INFO L130 BoogieDeclarations]: Found specification of procedure ExReleaseFastMutex [2020-10-27 02:00:32,706 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertHeadList [2020-10-27 02:00:32,706 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertTailList [2020-10-27 02:00:32,706 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedRemoveHeadList [2020-10-27 02:00:32,706 INFO L130 BoogieDeclarations]: Found specification of procedure MmUnlockPages [2020-10-27 02:00:32,706 INFO L130 BoogieDeclarations]: Found specification of procedure MmMapLockedPagesSpecifyCache [2020-10-27 02:00:32,706 INFO L130 BoogieDeclarations]: Found specification of procedure MmAllocateContiguousMemory [2020-10-27 02:00:32,707 INFO L130 BoogieDeclarations]: Found specification of procedure MmFreeContiguousMemory [2020-10-27 02:00:32,707 INFO L130 BoogieDeclarations]: Found specification of procedure MmResetDriverPaging [2020-10-27 02:00:32,707 INFO L130 BoogieDeclarations]: Found specification of procedure MmPageEntireDriver [2020-10-27 02:00:32,707 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2020-10-27 02:00:32,707 INFO L130 BoogieDeclarations]: Found specification of procedure PsTerminateSystemThread [2020-10-27 02:00:32,707 INFO L130 BoogieDeclarations]: Found specification of procedure IoAllocateErrorLogEntry [2020-10-27 02:00:32,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 02:00:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure IoAllocateMdl [2020-10-27 02:00:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure IoAttachDeviceToDeviceStack [2020-10-27 02:00:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildAsynchronousFsdRequest [2020-10-27 02:00:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2020-10-27 02:00:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2020-10-27 02:00:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2020-10-27 02:00:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateDevice [2020-10-27 02:00:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateSymbolicLink [2020-10-27 02:00:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteDevice [2020-10-27 02:00:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2020-10-27 02:00:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure IoDetachDevice [2020-10-27 02:00:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeIrp [2020-10-27 02:00:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeMdl [2020-10-27 02:00:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure IoGetConfigurationInformation [2020-10-27 02:00:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2020-10-27 02:00:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure IoReleaseCancelSpinLock [2020-10-27 02:00:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetHardErrorOrVerifyDevice [2020-10-27 02:00:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure IoWriteErrorLogEntry [2020-10-27 02:00:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure IoWMIRegistrationControl [2020-10-27 02:00:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2020-10-27 02:00:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2020-10-27 02:00:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure KeQueryPerformanceCounter [2020-10-27 02:00:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 02:00:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 02:00:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2020-10-27 02:00:32,711 INFO L130 BoogieDeclarations]: Found specification of procedure PoStartNextPowerIrp [2020-10-27 02:00:32,711 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2020-10-27 02:00:32,711 INFO L130 BoogieDeclarations]: Found specification of procedure ObfDereferenceObject [2020-10-27 02:00:32,711 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2020-10-27 02:00:32,711 INFO L130 BoogieDeclarations]: Found specification of procedure swprintf [2020-10-27 02:00:32,711 INFO L130 BoogieDeclarations]: Found specification of procedure WmiCompleteRequest [2020-10-27 02:00:32,711 INFO L130 BoogieDeclarations]: Found specification of procedure WmiSystemControl [2020-10-27 02:00:32,711 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2020-10-27 02:00:32,712 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2020-10-27 02:00:32,712 INFO L130 BoogieDeclarations]: Found specification of procedure DriverEntry [2020-10-27 02:00:32,712 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfForwardIrpSynchronous [2020-10-27 02:00:32,712 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfAddDevice [2020-10-27 02:00:32,712 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfDispatchPnp [2020-10-27 02:00:32,712 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfDispatchPower [2020-10-27 02:00:32,712 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfStartDevice [2020-10-27 02:00:32,712 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfRemoveDevice [2020-10-27 02:00:32,712 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfSendToNextDriver [2020-10-27 02:00:32,713 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfCreate [2020-10-27 02:00:32,713 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfReadWrite [2020-10-27 02:00:32,713 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfIoCompletion [2020-10-27 02:00:32,713 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfDeviceControl [2020-10-27 02:00:32,713 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfShutdownFlush [2020-10-27 02:00:32,713 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfUnload [2020-10-27 02:00:32,713 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfWmi [2020-10-27 02:00:32,714 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfLogError [2020-10-27 02:00:32,714 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfRegisterDevice [2020-10-27 02:00:32,714 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfIrpCompletion [2020-10-27 02:00:32,714 INFO L130 BoogieDeclarations]: Found specification of procedure DiskperfQueryWmiRegInfo [2020-10-27 02:00:32,714 INFO L130 BoogieDeclarations]: Found specification of procedure DiskperfQueryWmiDataBlock [2020-10-27 02:00:32,714 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfSyncFilterWithTarget [2020-10-27 02:00:32,714 INFO L130 BoogieDeclarations]: Found specification of procedure DiskperfWmiFunctionControl [2020-10-27 02:00:32,714 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfAddCounters [2020-10-27 02:00:32,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 02:00:32,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 02:00:32,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-27 02:00:32,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2020-10-27 02:00:32,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-27 02:00:32,715 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2020-10-27 02:00:32,715 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 02:00:32,715 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2020-10-27 02:00:32,716 INFO L130 BoogieDeclarations]: Found specification of procedure KeAcquireSpinLockRaiseToDpc [2020-10-27 02:00:32,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 02:00:32,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-27 02:00:32,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 02:00:32,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-27 02:00:32,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-27 02:00:32,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-27 02:00:32,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-27 02:00:33,697 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:00:33,735 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:00:33,735 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:00:33,736 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:00:33,745 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:00:33,746 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:00:33,787 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:00:33,829 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:00:33,830 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:00:33,830 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:00:33,843 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:00:33,844 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:00:33,850 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:00:33,861 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:00:33,861 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:00:33,862 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:00:33,871 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:00:33,871 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:00:33,872 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:00:33,886 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:00:33,886 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:00:33,887 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:00:33,903 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:00:33,903 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:00:34,312 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:00:34,321 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:00:34,321 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:00:34,346 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:00:34,352 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:00:34,353 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:00:34,353 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:00:34,365 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:00:34,365 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:00:34,382 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:00:34,390 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:00:34,390 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:00:34,409 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:00:34,416 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:00:34,416 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:00:34,422 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:00:36,635 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume !false; [2020-10-27 02:00:36,635 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume false; [2020-10-27 02:00:38,411 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:00:38,439 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2020-10-27 02:00:38,440 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2020-10-27 02:00:42,100 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:00:42,107 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:00:42,107 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:00:42,135 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:24,508 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##35: assume !false; [2020-10-27 02:01:24,508 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##34: assume false; [2020-10-27 02:01:24,588 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:24,595 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:01:24,595 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:01:25,287 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:25,304 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:01:25,305 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:01:25,312 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:27,467 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2020-10-27 02:01:27,467 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2020-10-27 02:01:55,632 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:55,692 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2020-10-27 02:01:55,692 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2020-10-27 02:01:55,725 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:55,742 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2020-10-27 02:01:55,743 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2020-10-27 02:01:55,813 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:55,824 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:01:55,824 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:02:01,143 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:02:01,159 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:02:01,159 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:02:06,332 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 02:02:06,333 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-27 02:02:06,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:02:06 BoogieIcfgContainer [2020-10-27 02:02:06,339 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 02:02:06,344 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 02:02:06,344 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 02:02:06,348 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 02:02:06,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:00:30" (1/3) ... [2020-10-27 02:02:06,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25b90210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:02:06, skipping insertion in model container [2020-10-27 02:02:06,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:00:32" (2/3) ... [2020-10-27 02:02:06,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25b90210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:02:06, skipping insertion in model container [2020-10-27 02:02:06,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:02:06" (3/3) ... [2020-10-27 02:02:06,354 INFO L111 eAbstractionObserver]: Analyzing ICFG diskperf.i.cil-1.c [2020-10-27 02:02:06,367 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 02:02:06,376 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 02:02:06,390 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 02:02:06,435 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 02:02:06,435 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 02:02:06,436 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 02:02:06,436 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 02:02:06,436 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 02:02:06,436 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 02:02:06,436 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 02:02:06,436 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 02:02:06,476 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states. [2020-10-27 02:02:06,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-27 02:02:06,491 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:02:06,492 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] [2020-10-27 02:02:06,492 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:02:06,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:02:06,499 INFO L82 PathProgramCache]: Analyzing trace with hash 629492359, now seen corresponding path program 1 times [2020-10-27 02:02:06,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:02:06,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1983482385] [2020-10-27 02:02:06,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:02:07,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:02:07,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:02:08,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:02:08,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:02:10,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:02:26,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:02:26,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-27 02:02:26,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:02:26,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18877 [2020-10-27 02:02:26,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:02:26,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:02:26,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 02:02:26,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:02:26,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 02:02:51,548 WARN L193 SmtUtils]: Spent 24.81 s on a formula simplification that was a NOOP. DAG size: 2086 [2020-10-27 02:02:51,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:02:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:02:51,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:02:51,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:02:51,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:02:51,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:02:51,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 233 [2020-10-27 02:02:51,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:02:51,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:02:51,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:02:51,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:02:51,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:02:52,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:02:52,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:02:52,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:02:52,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:02:52,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:02:52,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:02:52,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 02:02:52,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:02:52,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:02:52,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:02:52,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:02:52,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:02:52,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 02:02:52,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1983482385] [2020-10-27 02:02:52,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:02:52,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 02:02:52,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646728019] [2020-10-27 02:02:52,186 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 02:02:52,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:02:52,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 02:02:52,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-27 02:02:52,204 INFO L87 Difference]: Start difference. First operand 537 states. Second operand 4 states. [2020-10-27 02:03:34,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:03:34,804 INFO L93 Difference]: Finished difference Result 894 states and 1304 transitions. [2020-10-27 02:03:34,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-27 02:03:34,809 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2020-10-27 02:03:34,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:03:34,827 INFO L225 Difference]: With dead ends: 894 [2020-10-27 02:03:34,827 INFO L226 Difference]: Without dead ends: 457 [2020-10-27 02:03:34,837 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.9s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-27 02:03:34,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2020-10-27 02:03:35,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 428. [2020-10-27 02:03:35,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 428 states. [2020-10-27 02:03:35,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 569 transitions. [2020-10-27 02:03:35,301 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 569 transitions. Word has length 25 [2020-10-27 02:03:35,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:03:35,302 INFO L481 AbstractCegarLoop]: Abstraction has 428 states and 569 transitions. [2020-10-27 02:03:35,302 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 02:03:35,304 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 569 transitions. [2020-10-27 02:03:35,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-27 02:03:35,306 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:03:35,306 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] [2020-10-27 02:03:35,306 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 02:03:35,306 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:03:35,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:03:35,307 INFO L82 PathProgramCache]: Analyzing trace with hash -1534991934, now seen corresponding path program 1 times [2020-10-27 02:03:35,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:03:35,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [422591774] [2020-10-27 02:03:35,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:03:35,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:03:35,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:03:36,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:03:37,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:03:37,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:03:51,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:03:51,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-27 02:03:51,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:03:51,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15993 [2020-10-27 02:03:51,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:03:51,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:03:51,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 02:03:51,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 02:03:51,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:16,474 WARN L193 SmtUtils]: Spent 24.53 s on a formula simplification that was a NOOP. DAG size: 2086 [2020-10-27 02:04:16,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:04:16,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:16,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:16,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:16,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:04:16,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:04:16,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 208 [2020-10-27 02:04:16,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:16,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:04:16,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:04:16,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:04:16,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:16,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:04:17,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:17,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:17,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:17,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:04:17,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:04:17,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 02:04:17,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:17,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:04:17,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:04:17,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:04:17,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:17,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 02:04:17,069 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [422591774] [2020-10-27 02:04:17,069 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:04:17,070 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 02:04:17,070 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806264181] [2020-10-27 02:04:17,072 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 02:04:17,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:04:17,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 02:04:17,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 02:04:17,075 INFO L87 Difference]: Start difference. First operand 428 states and 569 transitions. Second operand 6 states.