/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ntdrivers/diskperf.i.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 15:20:12,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 15:20:12,561 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 15:20:12,600 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 15:20:12,601 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 15:20:12,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 15:20:12,604 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 15:20:12,607 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 15:20:12,609 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 15:20:12,610 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 15:20:12,612 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 15:20:12,613 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 15:20:12,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 15:20:12,615 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 15:20:12,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 15:20:12,618 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 15:20:12,619 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 15:20:12,620 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 15:20:12,638 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 15:20:12,658 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 15:20:12,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 15:20:12,677 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 15:20:12,682 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 15:20:12,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 15:20:12,700 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 15:20:12,700 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 15:20:12,701 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 15:20:12,703 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 15:20:12,704 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 15:20:12,705 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 15:20:12,705 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 15:20:12,706 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 15:20:12,708 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 15:20:12,709 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 15:20:12,710 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 15:20:12,710 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 15:20:12,711 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 15:20:12,712 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 15:20:12,712 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 15:20:12,713 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 15:20:12,714 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 15:20:12,715 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 [2020-10-28 15:20:12,773 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 15:20:12,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 15:20:12,778 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 15:20:12,778 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 15:20:12,778 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 15:20:12,778 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 15:20:12,779 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 15:20:12,779 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 15:20:12,779 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 15:20:12,780 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 15:20:12,781 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 15:20:12,781 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 15:20:12,781 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 15:20:12,781 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 15:20:12,782 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 15:20:12,782 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 15:20:12,782 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 15:20:12,782 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 15:20:12,783 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 15:20:12,783 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 15:20:12,783 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 15:20:12,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 15:20:12,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 15:20:12,784 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 15:20:12,784 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 15:20:12,784 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 15:20:12,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 15:20:12,784 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 15:20:12,785 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 15:20:12,785 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 15:20:13,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 15:20:13,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 15:20:13,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 15:20:13,265 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 15:20:13,265 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 15:20:13,267 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers/diskperf.i.cil-1.c [2020-10-28 15:20:13,350 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7274a2560/65f8aab3aa05407180319353cb5362ef/FLAGf87d82a68 [2020-10-28 15:20:14,311 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 15:20:14,311 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ntdrivers/diskperf.i.cil-1.c [2020-10-28 15:20:14,365 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7274a2560/65f8aab3aa05407180319353cb5362ef/FLAGf87d82a68 [2020-10-28 15:20:14,825 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7274a2560/65f8aab3aa05407180319353cb5362ef [2020-10-28 15:20:14,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 15:20:14,837 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 15:20:14,843 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 15:20:14,844 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 15:20:14,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 15:20:14,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:20:14" (1/1) ... [2020-10-28 15:20:14,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@413a9e8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:20:14, skipping insertion in model container [2020-10-28 15:20:14,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:20:14" (1/1) ... [2020-10-28 15:20:14,866 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 15:20:15,013 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 15:20:16,236 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 15:20:16,322 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 15:20:16,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 15:20:16,907 INFO L208 MainTranslator]: Completed translation [2020-10-28 15:20:16,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:20:16 WrapperNode [2020-10-28 15:20:16,909 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 15:20:16,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 15:20:16,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 15:20:16,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 15:20:16,925 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:20:16" (1/1) ... [2020-10-28 15:20:16,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:20:16" (1/1) ... [2020-10-28 15:20:17,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:20:16" (1/1) ... [2020-10-28 15:20:17,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:20:16" (1/1) ... [2020-10-28 15:20:17,261 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:20:16" (1/1) ... [2020-10-28 15:20:17,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:20:16" (1/1) ... [2020-10-28 15:20:17,406 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:20:16" (1/1) ... [2020-10-28 15:20:17,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 15:20:17,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 15:20:17,451 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 15:20:17,451 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 15:20:17,452 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:20:16" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 15:20:17,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 15:20:17,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 15:20:17,539 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 15:20:17,539 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_guard [2020-10-28 15:20:17,539 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedIncrement [2020-10-28 15:20:17,539 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedDecrement [2020-10-28 15:20:17,540 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedExchange [2020-10-28 15:20:17,540 INFO L138 BoogieDeclarations]: Found implementation of procedure KeGetCurrentProcessorNumber [2020-10-28 15:20:17,540 INFO L138 BoogieDeclarations]: Found implementation of procedure KeQuerySystemTime [2020-10-28 15:20:17,540 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAllocateErrorLogEntry [2020-10-28 15:20:17,541 INFO L138 BoogieDeclarations]: Found implementation of procedure IoWriteErrorLogEntry [2020-10-28 15:20:17,541 INFO L138 BoogieDeclarations]: Found implementation of procedure IoWMIRegistrationControl [2020-10-28 15:20:17,541 INFO L138 BoogieDeclarations]: Found implementation of procedure KeQueryPerformanceCounter [2020-10-28 15:20:17,541 INFO L138 BoogieDeclarations]: Found implementation of procedure WmiCompleteRequest [2020-10-28 15:20:17,542 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2020-10-28 15:20:17,542 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2020-10-28 15:20:17,543 INFO L138 BoogieDeclarations]: Found implementation of procedure DriverEntry [2020-10-28 15:20:17,543 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfSyncFilterWithTarget [2020-10-28 15:20:17,543 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfAddDevice [2020-10-28 15:20:17,544 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfDispatchPnp [2020-10-28 15:20:17,544 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfIrpCompletion [2020-10-28 15:20:17,544 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfStartDevice [2020-10-28 15:20:17,544 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfRemoveDevice [2020-10-28 15:20:17,544 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfSendToNextDriver [2020-10-28 15:20:17,544 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfDispatchPower [2020-10-28 15:20:17,544 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfForwardIrpSynchronous [2020-10-28 15:20:17,545 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfCreate [2020-10-28 15:20:17,545 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfReadWrite [2020-10-28 15:20:17,545 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfIoCompletion [2020-10-28 15:20:17,545 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfDeviceControl [2020-10-28 15:20:17,545 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfWmi [2020-10-28 15:20:17,545 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfShutdownFlush [2020-10-28 15:20:17,545 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfUnload [2020-10-28 15:20:17,546 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfRegisterDevice [2020-10-28 15:20:17,546 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfLogError [2020-10-28 15:20:17,546 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskperfQueryWmiRegInfo [2020-10-28 15:20:17,546 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskperfQueryWmiDataBlock [2020-10-28 15:20:17,546 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskperfWmiFunctionControl [2020-10-28 15:20:17,546 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfAddCounters [2020-10-28 15:20:17,546 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2020-10-28 15:20:17,547 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 15:20:17,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAcquireFastMutex [2020-10-28 15:20:17,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ExReleaseFastMutex [2020-10-28 15:20:17,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2020-10-28 15:20:17,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ExFreePool [2020-10-28 15:20:17,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertHeadList [2020-10-28 15:20:17,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertTailList [2020-10-28 15:20:17,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedRemoveHeadList [2020-10-28 15:20:17,548 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAllocateMdl [2020-10-28 15:20:17,548 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAttachDeviceToDeviceStack [2020-10-28 15:20:17,548 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildAsynchronousFsdRequest [2020-10-28 15:20:17,548 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2020-10-28 15:20:17,548 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateDevice [2020-10-28 15:20:17,548 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateSymbolicLink [2020-10-28 15:20:17,549 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteDevice [2020-10-28 15:20:17,550 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2020-10-28 15:20:17,550 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDetachDevice [2020-10-28 15:20:17,550 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeIrp [2020-10-28 15:20:17,550 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeMdl [2020-10-28 15:20:17,551 INFO L138 BoogieDeclarations]: Found implementation of procedure IoGetConfigurationInformation [2020-10-28 15:20:17,551 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2020-10-28 15:20:17,551 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2020-10-28 15:20:17,551 INFO L138 BoogieDeclarations]: Found implementation of procedure IoReleaseCancelSpinLock [2020-10-28 15:20:17,551 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2020-10-28 15:20:17,551 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetHardErrorOrVerifyDevice [2020-10-28 15:20:17,551 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2020-10-28 15:20:17,552 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2020-10-28 15:20:17,552 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2020-10-28 15:20:17,552 INFO L138 BoogieDeclarations]: Found implementation of procedure KeAcquireSpinLockRaiseToDpc [2020-10-28 15:20:17,552 INFO L138 BoogieDeclarations]: Found implementation of procedure KeDelayExecutionThread [2020-10-28 15:20:17,552 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeEvent [2020-10-28 15:20:17,553 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSemaphore [2020-10-28 15:20:17,554 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSpinLock [2020-10-28 15:20:17,554 INFO L138 BoogieDeclarations]: Found implementation of procedure KeReleaseSemaphore [2020-10-28 15:20:17,554 INFO L138 BoogieDeclarations]: Found implementation of procedure KfReleaseSpinLock [2020-10-28 15:20:17,555 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2020-10-28 15:20:17,555 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2020-10-28 15:20:17,555 INFO L138 BoogieDeclarations]: Found implementation of procedure MmAllocateContiguousMemory [2020-10-28 15:20:17,555 INFO L138 BoogieDeclarations]: Found implementation of procedure MmFreeContiguousMemory [2020-10-28 15:20:17,555 INFO L138 BoogieDeclarations]: Found implementation of procedure MmMapLockedPagesSpecifyCache [2020-10-28 15:20:17,556 INFO L138 BoogieDeclarations]: Found implementation of procedure MmPageEntireDriver [2020-10-28 15:20:17,556 INFO L138 BoogieDeclarations]: Found implementation of procedure MmResetDriverPaging [2020-10-28 15:20:17,557 INFO L138 BoogieDeclarations]: Found implementation of procedure MmUnlockPages [2020-10-28 15:20:17,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2020-10-28 15:20:17,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ObfDereferenceObject [2020-10-28 15:20:17,558 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2020-10-28 15:20:17,558 INFO L138 BoogieDeclarations]: Found implementation of procedure PoStartNextPowerIrp [2020-10-28 15:20:17,558 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2020-10-28 15:20:17,558 INFO L138 BoogieDeclarations]: Found implementation of procedure PsTerminateSystemThread [2020-10-28 15:20:17,558 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlAnsiStringToUnicodeString [2020-10-28 15:20:17,558 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCompareMemory [2020-10-28 15:20:17,559 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCopyUnicodeString [2020-10-28 15:20:17,559 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlDeleteRegistryValue [2020-10-28 15:20:17,559 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlFreeUnicodeString [2020-10-28 15:20:17,559 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitString [2020-10-28 15:20:17,559 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitUnicodeString [2020-10-28 15:20:17,559 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlQueryRegistryValues [2020-10-28 15:20:17,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2020-10-28 15:20:17,560 INFO L138 BoogieDeclarations]: Found implementation of procedure WmiSystemControl [2020-10-28 15:20:17,560 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-28 15:20:17,560 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-28 15:20:17,560 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2020-10-28 15:20:17,561 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 15:20:17,561 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 15:20:17,561 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 15:20:17,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 15:20:17,561 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-28 15:20:17,561 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 15:20:17,562 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-28 15:20:17,562 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-28 15:20:17,562 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_guard [2020-10-28 15:20:17,562 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-28 15:20:17,563 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2020-10-28 15:20:17,564 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-28 15:20:17,564 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 15:20:17,564 INFO L130 BoogieDeclarations]: Found specification of procedure RtlQueryRegistryValues [2020-10-28 15:20:17,565 INFO L130 BoogieDeclarations]: Found specification of procedure RtlDeleteRegistryValue [2020-10-28 15:20:17,566 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitString [2020-10-28 15:20:17,566 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitUnicodeString [2020-10-28 15:20:17,566 INFO L130 BoogieDeclarations]: Found specification of procedure RtlAnsiStringToUnicodeString [2020-10-28 15:20:17,566 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCopyUnicodeString [2020-10-28 15:20:17,566 INFO L130 BoogieDeclarations]: Found specification of procedure RtlFreeUnicodeString [2020-10-28 15:20:17,567 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCompareMemory [2020-10-28 15:20:17,567 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedIncrement [2020-10-28 15:20:17,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 15:20:17,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 15:20:17,567 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedDecrement [2020-10-28 15:20:17,567 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedExchange [2020-10-28 15:20:17,567 INFO L130 BoogieDeclarations]: Found specification of procedure KeGetCurrentProcessorNumber [2020-10-28 15:20:17,568 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeEvent [2020-10-28 15:20:17,569 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2020-10-28 15:20:17,569 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSemaphore [2020-10-28 15:20:17,572 INFO L130 BoogieDeclarations]: Found specification of procedure KeReleaseSemaphore [2020-10-28 15:20:17,572 INFO L130 BoogieDeclarations]: Found specification of procedure KeDelayExecutionThread [2020-10-28 15:20:17,572 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2020-10-28 15:20:17,573 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSpinLock [2020-10-28 15:20:17,573 INFO L130 BoogieDeclarations]: Found specification of procedure KfReleaseSpinLock [2020-10-28 15:20:17,573 INFO L130 BoogieDeclarations]: Found specification of procedure KeQuerySystemTime [2020-10-28 15:20:17,574 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2020-10-28 15:20:17,575 INFO L130 BoogieDeclarations]: Found specification of procedure ExFreePool [2020-10-28 15:20:17,575 INFO L130 BoogieDeclarations]: Found specification of procedure ExAcquireFastMutex [2020-10-28 15:20:17,576 INFO L130 BoogieDeclarations]: Found specification of procedure ExReleaseFastMutex [2020-10-28 15:20:17,576 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertHeadList [2020-10-28 15:20:17,581 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertTailList [2020-10-28 15:20:17,582 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedRemoveHeadList [2020-10-28 15:20:17,582 INFO L130 BoogieDeclarations]: Found specification of procedure MmUnlockPages [2020-10-28 15:20:17,582 INFO L130 BoogieDeclarations]: Found specification of procedure MmMapLockedPagesSpecifyCache [2020-10-28 15:20:17,582 INFO L130 BoogieDeclarations]: Found specification of procedure MmAllocateContiguousMemory [2020-10-28 15:20:17,582 INFO L130 BoogieDeclarations]: Found specification of procedure MmFreeContiguousMemory [2020-10-28 15:20:17,582 INFO L130 BoogieDeclarations]: Found specification of procedure MmResetDriverPaging [2020-10-28 15:20:17,582 INFO L130 BoogieDeclarations]: Found specification of procedure MmPageEntireDriver [2020-10-28 15:20:17,583 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2020-10-28 15:20:17,583 INFO L130 BoogieDeclarations]: Found specification of procedure PsTerminateSystemThread [2020-10-28 15:20:17,583 INFO L130 BoogieDeclarations]: Found specification of procedure IoAllocateErrorLogEntry [2020-10-28 15:20:17,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 15:20:17,584 INFO L130 BoogieDeclarations]: Found specification of procedure IoAllocateMdl [2020-10-28 15:20:17,584 INFO L130 BoogieDeclarations]: Found specification of procedure IoAttachDeviceToDeviceStack [2020-10-28 15:20:17,584 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildAsynchronousFsdRequest [2020-10-28 15:20:17,584 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2020-10-28 15:20:17,584 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2020-10-28 15:20:17,584 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2020-10-28 15:20:17,584 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateDevice [2020-10-28 15:20:17,584 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateSymbolicLink [2020-10-28 15:20:17,585 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteDevice [2020-10-28 15:20:17,585 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2020-10-28 15:20:17,585 INFO L130 BoogieDeclarations]: Found specification of procedure IoDetachDevice [2020-10-28 15:20:17,585 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeIrp [2020-10-28 15:20:17,585 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeMdl [2020-10-28 15:20:17,585 INFO L130 BoogieDeclarations]: Found specification of procedure IoGetConfigurationInformation [2020-10-28 15:20:17,586 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2020-10-28 15:20:17,586 INFO L130 BoogieDeclarations]: Found specification of procedure IoReleaseCancelSpinLock [2020-10-28 15:20:17,586 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetHardErrorOrVerifyDevice [2020-10-28 15:20:17,586 INFO L130 BoogieDeclarations]: Found specification of procedure IoWriteErrorLogEntry [2020-10-28 15:20:17,586 INFO L130 BoogieDeclarations]: Found specification of procedure IoWMIRegistrationControl [2020-10-28 15:20:17,586 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2020-10-28 15:20:17,586 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2020-10-28 15:20:17,586 INFO L130 BoogieDeclarations]: Found specification of procedure KeQueryPerformanceCounter [2020-10-28 15:20:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 15:20:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 15:20:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2020-10-28 15:20:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure PoStartNextPowerIrp [2020-10-28 15:20:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2020-10-28 15:20:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure ObfDereferenceObject [2020-10-28 15:20:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2020-10-28 15:20:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure swprintf [2020-10-28 15:20:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure WmiCompleteRequest [2020-10-28 15:20:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure WmiSystemControl [2020-10-28 15:20:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2020-10-28 15:20:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2020-10-28 15:20:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure DriverEntry [2020-10-28 15:20:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfForwardIrpSynchronous [2020-10-28 15:20:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfAddDevice [2020-10-28 15:20:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfDispatchPnp [2020-10-28 15:20:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfDispatchPower [2020-10-28 15:20:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfStartDevice [2020-10-28 15:20:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfRemoveDevice [2020-10-28 15:20:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfSendToNextDriver [2020-10-28 15:20:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfCreate [2020-10-28 15:20:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfReadWrite [2020-10-28 15:20:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfIoCompletion [2020-10-28 15:20:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfDeviceControl [2020-10-28 15:20:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfShutdownFlush [2020-10-28 15:20:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfUnload [2020-10-28 15:20:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfWmi [2020-10-28 15:20:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfLogError [2020-10-28 15:20:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfRegisterDevice [2020-10-28 15:20:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfIrpCompletion [2020-10-28 15:20:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure DiskperfQueryWmiRegInfo [2020-10-28 15:20:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure DiskperfQueryWmiDataBlock [2020-10-28 15:20:17,591 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfSyncFilterWithTarget [2020-10-28 15:20:17,591 INFO L130 BoogieDeclarations]: Found specification of procedure DiskperfWmiFunctionControl [2020-10-28 15:20:17,591 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfAddCounters [2020-10-28 15:20:17,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 15:20:17,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 15:20:17,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-28 15:20:17,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2020-10-28 15:20:17,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-28 15:20:17,592 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2020-10-28 15:20:17,592 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 15:20:17,592 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2020-10-28 15:20:17,592 INFO L130 BoogieDeclarations]: Found specification of procedure KeAcquireSpinLockRaiseToDpc [2020-10-28 15:20:17,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 15:20:17,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 15:20:17,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 15:20:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-28 15:20:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-28 15:20:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-28 15:20:17,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-28 15:20:18,972 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 15:20:19,006 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-28 15:20:19,007 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-28 15:20:19,007 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 15:20:19,019 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-28 15:20:19,019 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-28 15:20:19,076 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 15:20:19,163 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-28 15:20:19,164 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-28 15:20:19,164 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 15:20:19,222 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-28 15:20:19,222 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-28 15:20:19,236 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 15:20:19,256 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-28 15:20:19,256 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-28 15:20:19,257 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 15:20:19,268 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-28 15:20:19,268 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-28 15:20:19,269 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 15:20:19,285 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-28 15:20:19,285 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-28 15:20:19,286 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 15:20:19,302 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-28 15:20:19,302 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-28 15:20:19,751 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 15:20:19,769 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-28 15:20:19,770 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-28 15:20:19,796 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 15:20:19,803 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-28 15:20:19,803 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-28 15:20:19,804 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 15:20:19,820 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-28 15:20:19,821 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-28 15:20:19,843 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 15:20:19,852 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-28 15:20:19,853 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-28 15:20:19,875 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 15:20:19,883 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-28 15:20:19,883 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-28 15:20:19,890 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 15:20:22,146 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume !false; [2020-10-28 15:20:22,147 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume false; [2020-10-28 15:20:24,614 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 15:20:24,652 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2020-10-28 15:20:24,652 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2020-10-28 15:20:28,020 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 15:20:28,029 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-28 15:20:28,029 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-28 15:20:28,066 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 15:21:12,261 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##35: assume !false; [2020-10-28 15:21:12,261 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##34: assume false; [2020-10-28 15:21:12,374 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 15:21:12,382 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-28 15:21:12,382 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-28 15:21:12,980 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 15:21:12,988 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-28 15:21:12,988 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-28 15:21:12,995 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 15:21:15,167 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2020-10-28 15:21:15,168 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2020-10-28 15:21:44,044 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 15:21:44,097 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2020-10-28 15:21:44,098 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2020-10-28 15:21:44,141 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 15:21:44,159 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2020-10-28 15:21:44,159 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2020-10-28 15:21:44,220 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 15:21:44,232 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-28 15:21:44,233 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-28 15:21:49,669 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 15:21:49,680 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-28 15:21:49,680 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-28 15:21:55,054 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 15:21:55,055 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-28 15:21:55,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:21:55 BoogieIcfgContainer [2020-10-28 15:21:55,059 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 15:21:55,061 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 15:21:55,061 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 15:21:55,065 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 15:21:55,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 03:20:14" (1/3) ... [2020-10-28 15:21:55,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c3aa0cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:21:55, skipping insertion in model container [2020-10-28 15:21:55,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:20:16" (2/3) ... [2020-10-28 15:21:55,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c3aa0cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:21:55, skipping insertion in model container [2020-10-28 15:21:55,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:21:55" (3/3) ... [2020-10-28 15:21:55,068 INFO L111 eAbstractionObserver]: Analyzing ICFG diskperf.i.cil-1.c [2020-10-28 15:21:55,080 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 15:21:55,087 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 15:21:55,101 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 15:21:55,133 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 15:21:55,133 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 15:21:55,133 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 15:21:55,133 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 15:21:55,133 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 15:21:55,133 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 15:21:55,133 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 15:21:55,133 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 15:21:55,163 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states. [2020-10-28 15:21:55,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-28 15:21:55,170 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:21:55,171 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] [2020-10-28 15:21:55,172 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:21:55,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:21:55,178 INFO L82 PathProgramCache]: Analyzing trace with hash 629492359, now seen corresponding path program 1 times [2020-10-28 15:21:55,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:21:55,188 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1575812788] [2020-10-28 15:21:55,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:21:56,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:21:56,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:21:56,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:21:57,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:21:59,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:22:18,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:22:18,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 15:22:18,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:22:18,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22540 [2020-10-28 15:22:18,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:22:18,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:22:18,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:22:18,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 15:22:18,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:22:18,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 15:22:38,347 WARN L193 SmtUtils]: Spent 19.29 s on a formula simplification that was a NOOP. DAG size: 2086 [2020-10-28 15:22:38,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:22:38,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:22:38,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:22:38,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:22:38,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:22:38,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:22:38,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 299 [2020-10-28 15:22:38,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:22:38,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:22:38,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:22:38,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:22:38,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:22:38,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:22:39,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 15:22:39,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:22:39,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:22:39,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:22:39,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:22:39,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:22:39,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 15:22:39,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:22:39,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:22:39,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:22:39,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:22:39,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:22:39,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:22:39,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:22:39,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1575812788] [2020-10-28 15:22:39,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:22:39,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 15:22:39,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014645487] [2020-10-28 15:22:39,116 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 15:22:39,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:22:39,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 15:22:39,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 15:22:39,134 INFO L87 Difference]: Start difference. First operand 537 states. Second operand 4 states. [2020-10-28 15:23:20,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:23:20,345 INFO L93 Difference]: Finished difference Result 894 states and 1304 transitions. [2020-10-28 15:23:20,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-28 15:23:20,347 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2020-10-28 15:23:20,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:23:20,366 INFO L225 Difference]: With dead ends: 894 [2020-10-28 15:23:20,366 INFO L226 Difference]: Without dead ends: 457 [2020-10-28 15:23:20,377 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.5s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 15:23:20,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2020-10-28 15:23:20,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 428. [2020-10-28 15:23:20,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 428 states. [2020-10-28 15:23:20,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 569 transitions. [2020-10-28 15:23:20,740 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 569 transitions. Word has length 25 [2020-10-28 15:23:20,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:23:20,740 INFO L481 AbstractCegarLoop]: Abstraction has 428 states and 569 transitions. [2020-10-28 15:23:20,740 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 15:23:20,741 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 569 transitions. [2020-10-28 15:23:20,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-28 15:23:20,742 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:23:20,742 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] [2020-10-28 15:23:20,743 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 15:23:20,743 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:23:20,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:23:20,744 INFO L82 PathProgramCache]: Analyzing trace with hash -1534991934, now seen corresponding path program 1 times [2020-10-28 15:23:20,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:23:20,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [792069229] [2020-10-28 15:23:20,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:23:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:23:21,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:23:21,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:23:23,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:23:23,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:23:39,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:23:39,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-28 15:23:39,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:23:39,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18629 [2020-10-28 15:23:39,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:23:39,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:23:39,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:23:39,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 15:23:39,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 15:23:39,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:23:59,607 WARN L193 SmtUtils]: Spent 19.42 s on a formula simplification that was a NOOP. DAG size: 2086 [2020-10-28 15:23:59,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:23:59,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:23:59,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:23:59,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:23:59,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:23:59,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:23:59,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 282 [2020-10-28 15:23:59,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:23:59,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:23:59,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:23:59,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:23:59,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:23:59,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:00,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:24:00,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:24:00,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:24:00,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:24:00,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:24:00,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:24:00,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 15:24:00,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:24:00,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:24:00,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:24:00,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:24:00,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:24:00,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:24:00,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:24:00,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [792069229] [2020-10-28 15:24:00,293 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:24:00,293 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 15:24:00,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17034845] [2020-10-28 15:24:00,295 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 15:24:00,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:24:00,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 15:24:00,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 15:24:00,298 INFO L87 Difference]: Start difference. First operand 428 states and 569 transitions. Second operand 5 states.